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Okada Yoshitaka  岡田 至崇

… Alternative Names

OKADA YOSHITAKA  岡田 至崇

OKADA Yoshikata  岡田 至崇

OKADA Yoshitaka  岡田 至崇

岡田 至嵩  オカダ ヨシタカ

岡田 至崇  オカダ ヨシタカ

Less
Researcher Number 40224034
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-1547-5477
External Links
Affiliation (Current) 2025: 東京大学, 先端科学技術研究センター, 特任教授
Affiliation (based on the past Project Information) *help 2019 – 2024: 東京大学, 先端科学技術研究センター, 教授
2014 – 2017: 東京大学, 先端科学技術研究センター, 教授
2010 – 2012: 東京大学, 先端科学技術研究センター, 教授
2007: University of Tsukuba, Graduate School of Pure and Applied Sciences, Associate professor
2006: 筑波大学, 大学院数理物質科学研究科, 助教授 … More
2005: 筑波大学, 大学院・数理物質科学研究科, 助教授
2003: University of Tsukuba, Institute of Applied Physics, Associate Professor, 物理工学系, 助教授
2001 – 2002: 筑波大学, 物理工学系, 講師
1997: University of Tsukuba, Institute of Materials Science, Assistant Professor, 物質光学系, 講師
1996 – 1997: 筑波大学, 物理工学系, 講師
1993 – 1995: 筑波大学, 物質工学系, 講師
1991: 筑波大学, 物質工学系, 講師 Less
Review Section/Research Field
Principal Investigator
Electronic materials/Electric materials / Basic Section 21050:Electric and electronic materials-related / Applied materials / Basic Section 28020:Nanostructural physics-related / Electronic materials/Electric materials / Crystal engineering / Microdevices/Nanodevices
Except Principal Investigator
Electronic materials/Electric materials
Keywords
Principal Investigator
量子ドット / 分子線エピタキシー / 自己組織化量子ドット / 2段階光吸収 / 量子ナノ構造 / 中間バンド太陽電池 / 太陽電池 / 自己組織化成長 / 光起電力物性 / Quantum dots … More / 量子ドット太陽電池 / 量子ドット超格子 / 光閉じ込め構造 / 希土類元素半導体 / ナノ構造物性 / 希土類元素ドープ / キャリア熱緩和 / キャリア熱緩和過程 / エネルギー選択性コンタクト / ホットキャリア大陽電池 / 集光型太陽電池 / ナノ構造物理 / 光マネジメント / タイプⅡ超格子 / タイプⅡヘテロ構造 / 分子線エピタキシ- / 光閉じ込め技術 / High efficiencv solar cells / Molecular beam enitaxy(MBE) / Strain-control / Dilute nitride semiconductors / Self-assembled growth / 光エレクトロニクス / 窒素ラジカル / GaInNAs / 歪み報償法 / 超格子 / 歪み補償成長法 / 高効率太陽電池 / 分子線エビタキシー / 歪み制御 / 希釈窒化物半導体 / 自己形成法 / Single-electron tunneling / Conductive probe / Scanning probe microscopy / Self-organized quantum dots / Self-organized growth / ドット間結合 / 自己組織化結晶成長 / 自己組織化ドット / 人工原子 / 導電性プローブ / 自己組織化成長技術 / 単電子トンネル物性 / 導電性プローブ法 / 走査型プローブ顕微鏡 / 自己組織化成長法 / 量子効率 / 太陽光発電 / 半導体物性 / 高効率太陽光発電材料・素子 / 結晶成長 / フーリエ変換光電流分光法 / 2段階光吸収過程 / 2段階光吸収過程 / 高速キャリア緩和過程 / 結合量子ドット / 高速キャリアダイナミクス / 超高速光分光 / 中間バンド型太陽電池 / GaAs-on-Siヘテロエピタキシ- / 成長メカニズム / 低温成長 / 半導体エピタキシャル成長 … More
Except Principal Investigator
分子線エピタキシ- / 水素原子 / 量子ドット / 量子細線 / AlGaAs / 選択成長 / High-efficiency solar cells / Deep levels / Atomic H-assisted epitaxy / Molecular beam epitaxy / Defects, dislocations / Growth of GaAs-on-Si, Ge / Surfactant effects / Heteroepitaxy / ヘテロエピタキシ / Ge / Si / GaAs / 相互拡散 / 表面修飾 / 量子構造太陽電池 / 結晶欠陥、転位 / 深い準位(電子捕獲準位) / 高効率太陽電池材料 / 結晶欠陥,転位 / 表面修飾効果 / ヘテロエピタキシ- / 原子状水素援用エピタキシ- / GaAs-on-Si,GaAs-on-Ge成長 / 分子線エピタキシ / 単一ドメイン / 層状成長 / 酸化物高温超伝導体 Less
  • Research Projects

    (12 results)
  • Research Products

    (155 results)
  • Co-Researchers

    (11 People)
  •  新規ラチェット型中間バンド太陽電池材料の創製Principal Investigator

    • Principal Investigator
      岡田 至崇
    • Project Period (FY)
      2023 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 21050:Electric and electronic materials-related
    • Research Institution
      The University of Tokyo
  •  Photovoltaic properties in high-density self-organized type-II quantum dot superlatticePrincipal Investigator

    • Principal Investigator
      Okada Yoshitaka
    • Project Period (FY)
      2019 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 28020:Nanostructural physics-related
    • Research Institution
      The University of Tokyo
  •  Fabrication of high-density self-organized quantum dot array and control of photovoltaic conversion mechanismPrincipal Investigator

    • Principal Investigator
      OKADA YOSHITAKA
    • Project Period (FY)
      2014 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Crystal engineering
    • Research Institution
      The University of Tokyo
  •  半導体ナノ構造を用いたホットキャリア太陽電池に関する研究Principal Investigator

    • Principal Investigator
      岡田 至崇
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Research Field
      Applied materials
    • Research Institution
      The University of Tokyo
  •  Properties of 3-dimensional quantum dot superlattice and application to solar cellsPrincipal Investigator

    • Principal Investigator
      OKADA Yoshikata
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Microdevices/Nanodevices
    • Research Institution
      The University of Tokyo
  •  Self-assembled quantum dots based on use of dilute nitride semiconductorsPrincipal Investigator

    • Principal Investigator
      OKADA Yoshitaka
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      University of Tsukuba
  •  Self-Organization Mechanism and Electronic Properties of Semiconductor Quantum DotsPrincipal Investigator

    • Principal Investigator
      OKADA Yoshitaka
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      University of Tsukuba
  •  水素原子採用分子線エピタキシ-法による量子構造作製と評価

    • Principal Investigator
      川辺 光央
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      University of Tsukuba
  •  Low Dislocation density GaAs/Si and Its Application to High-Efficiency Solar Cells

    • Principal Investigator
      KAWABE Mitsuo
    • Project Period (FY)
      1995 – 1997
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      University of Tsukuba
  •  水素原子援用分子線エピタキシ-法による量子構造作製と評価

    • Principal Investigator
      川辺 光央
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      University of Tsukuba
  •  半導体エピタキシャル成長初期過程の評価と制御Principal Investigator

    • Principal Investigator
      岡田 至崇
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      University of Tsukuba
  •  高温超伝導薄膜の紫外線励起原子層エピタキシ-

    • Principal Investigator
      KAWABE Mitsuo
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      University of Tsukuba

All 2024 2023 2022 2021 2020 2019 2017 2016 2015 2014 2013 2012 2011 2010 2007 2006 2005 Other

All Journal Article Presentation Book

  • [Book] PHOTOVOLTAICS FOR SPACE: KEY ISSUES, MISSIONS, AND ALTERNATIVE TECHNOLOGIES (Ch.10 Inverted lattice-matched GaInP/GaAs/GaInNAsSb triple-junction solar cells: Epitaxial lift-off thin-film devices and potential space applications)2022

    • Author(s)
      Naoya Miyashita, Yoshitaka Okada
    • Total Pages
      505
    • Publisher
      Elsevier
    • ISBN
      9780128233009
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Book] Semiconductor Nanodevices, Frontiers of Nanoscience (Ch.10 Semiconductor quantum dot solar cells)2022

    • Author(s)
      Yoshitaka Okada, Katsuhisa Yoshida, Yasushi Shoji, Ryo Tamaki
    • Total Pages
      498
    • Publisher
      Elsevier
    • ISBN
      9780128220832
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Book] “Intermediate Band Solar Cells”, in Advanced Concepts in Photovoltaics2014

    • Author(s)
      Yoshitaka Okada, Tomah Sogabe, and Yasushi Shoji
    • Total Pages
      608
    • Publisher
      Royal Society of Chemistry, UK
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Book] Chapter 10: Quantum Dot Solar Cells, in Advanced Solar Cell Materials, Technology, Modeling and Simulation2013

    • Author(s)
      Yoshitaka Okada, Katsuhisa Yoshida and Yasushi Shoji
    • Total Pages
      26
    • Publisher
      IGI Global
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Book] 量子ドット太陽電池2010

    • Author(s)
      岡田至崇
    • Publisher
      工業調査会
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Book] 量子ドット太陽電池2010

    • Author(s)
      岡田至崇
    • Total Pages
      153
    • Publisher
      (株)工業調査会
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Book] 量子ナノ構造を導入した次世代太陽電池2007

    • Author(s)
      岡田 至崇, 大島 隆治
    • Publisher
      応用物理学会
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Book] 量子ナノ構造を導入した次世代太陽電池2007

    • Author(s)
      岡田至崇・大島隆治
    • Total Pages
      4
    • Publisher
      応用物理学会
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Luminescent coupling effect in InGaP/GaAs/InGaAs inverted metamorphic triple-junction solar cell2024

    • Author(s)
      Vaishnavi Thakur, Bernice Mae Yu Jeco-Espaldon, Yoshitaka Okada
    • Journal Title

      Journal of Photonics for Energy

      Volume: 14 Issue: 01 Pages: 015503-015503

    • DOI

      10.1117/1.jpe.14.015503

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Journal Article] Drift-Diffusion Simulation of Intermediate Band Solar Cell: Effect of Intermediate Band Continuity Constraint2023

    • Author(s)
      Kodai Shiba, Yoshitaka Okada, Tomah Sogabe
    • Journal Title

      Journal of Nanomaterials

      Volume: 2023 Pages: 1-17

    • DOI

      10.1155/2023/5578627

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23K26135, KAKENHI-PROJECT-23K26330
  • [Journal Article] Inverse design of intermediate band solar cell via a joint drift-diffusion simulator and deep reinforcement learning scheme2023

    • Author(s)
      Kodai Shiba, Naoya Miyashita, Yoshitaka Okada, Tomah Sogabe
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 62 Issue: SK Pages: SK1046-SK1046

    • DOI

      10.35848/1347-4065/acd34f

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23K26135, KAKENHI-PROJECT-23K26330
  • [Journal Article] High-efficiency InAs/GaAs quantum dot intermediate band solar cell achieved through current constraint engineering2023

    • Author(s)
      Tomah Sogabe, Yasushi Shoji, Naoya Miyashita, Daniel J. Farrell, Kodai Shiba, Hwen-Fen Hong, Yoshitaka Okada
    • Journal Title

      Next Materials

      Volume: 1 Issue: 2 Pages: 100013-100013

    • DOI

      10.1016/j.nxmate.2023.100013

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Journal Article] Paper-Thin Al-Catalyzed Si Nanowire Solar Cells and Efficiency Enhancement by Hybrid Nanostructures with Mn-Doped Perovskite Nanocrystals2023

    • Author(s)
      Jevasuwan Wipakorn、Abdelbar Mostafa、Jeco-Espaldon Bernice Mae Yu、Abdelhameed Mohammed、Sodabanlu Hassanet、Zhang Qinqiang、Okada Yoshitaka、Fukata Naoki
    • Journal Title

      ACS Applied Energy Materials

      Volume: 6 Issue: 13 Pages: 7169-7179

    • DOI

      10.1021/acsaem.3c00888

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22K04885, KAKENHI-PROJECT-21H04642, KAKENHI-PROJECT-23K26135
  • [Journal Article] Co-deposition of MoS2 films by reactive sputtering and formation of tree-like structures2022

    • Author(s)
      Kim Myeongok, Giteau Maxime, Ahsan Nazmul, Miyashita Naoya, Thirumalaisamy Logu, Chen Chen, Redwing Joan M, Okada Yoshitaka
    • Journal Title

      Nanotechnology

      Volume: 33 Issue: 34 Pages: 345708-345708

    • DOI

      10.1088/1361-6528/ac70e3

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Dependence of the radiative lifetime on the type-II band offset in GaAsxSb1-x/GaAs quantum dots including effects of photoexcited carriers2022

    • Author(s)
      Oteki Yusuke, Shoji Yasushi, Miyashita Naoya, Okada Yoshitaka
    • Journal Title

      Journal of Applied Physics

      Volume: 132 Issue: 13 Pages: 134402-134402

    • DOI

      10.1063/5.0105306

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H02541, KAKENHI-PROJECT-20K15183
  • [Journal Article] Enhanced current generation in quantum-dot intermediate band solar cells through optimizing the position of quantum dot layers2022

    • Author(s)
      Oteki Yusuke, Miyashita Naoya, Giteau Maxime, Shiba Kodai, Sogabe Tomah, Okada Yoshitaka
    • Journal Title

      Optical Materials: X

      Volume: 16 Pages: 100207-100207

    • DOI

      10.1016/j.omx.2022.100207

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Properties of sputter-grown CuGaS2 absorber and CuGaS2/Cd1-xZnxS buffer heterointerface for solar cell application2022

    • Author(s)
      Myeongok Kim, Nazmul Ahsan, Zacharie Jehl, Yudania Sanchez, Yoshitaka Okada
    • Journal Title

      Thin Solid Films

      Volume: 743 Pages: 139063-139063

    • DOI

      10.1016/j.tsf.2021.139063

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Study of sub-band states formation in the optical band gap of CuGaS2 thin films by electronic excitations2022

    • Author(s)
      S. Suba Viveka, T. Logu, N. Ahsan, K. Asokan, S. Kalainathan, K. Sethuraman, Y. Okada
    • Journal Title

      Journal of Physics and Chemistry of Solids

      Volume: 164 Pages: 110636-110636

    • DOI

      10.1016/j.jpcs.2022.110636

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Experimental demonstration of energy-transfer ratchet intermediate-band solar cell2021

    • Author(s)
      Tomah Sogabe, Chao-Yu Hung, Ryo Tamaki, Stanko Tomic, Koichi Yamaguchi, Ned Ekins-Daukes, Yoshitaka Okada
    • Journal Title

      Communications Physics

      Volume: 4 Issue: 1 Pages: 38-38

    • DOI

      10.1038/s42005-021-00543-1

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541, KAKENHI-PROJECT-20K20314
  • [Journal Article] Optimizing the vertical position of quantum dots and wells to maximize light absorption2021

    • Author(s)
      Maxime Giteau, Yusuke Oteki, Kento Kitahara, Naoya Miyashita, Ryo Tamaki, Yoshitaka Okada
    • Journal Title

      SPIE Proceedings, New Concepts in Solar and Thermal Radiation Conversion IV

      Volume: 11824 Pages: 1182406-1182406

    • DOI

      10.1117/12.2593862

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Temperature Dependence of Carrier Extraction Processes in GaSb/AlGaAs Quantum Nanostructure Intermediate-Band Solar Cells2021

    • Author(s)
      Shoji Yasushi、Tamaki Ryo、Okada Yoshitaka
    • Journal Title

      Nanomaterials

      Volume: 11 Issue: 2 Pages: 344-344

    • DOI

      10.3390/nano11020344

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K15183, KAKENHI-PROJECT-19H02541
  • [Journal Article] Identification of surface and volume hot-carrier thermalization mechanisms in ultrathin GaAs layers2020

    • Author(s)
      M. Giteau, E. de Moustier, D. Suchet, H. Esmaielpour, H. Sodabanlu, K. Watanabe, S. Collin, J-F Guillemoles, Y. Okada
    • Journal Title

      Journal of Applied Physics

      Volume: 128 Issue: 19 Pages: 193102-193102

    • DOI

      10.1063/5.0027687

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Engineering of sub-band in CuGaS2 thin films via Mo doping by chemical spray pyrolysis route2020

    • Author(s)
      Logu Thirumalaisamy, Nazmul Ahsan, Kalainathan Sivaperuman, Myeongok Kim, Sethuraman Kunjithapatham, Yoshitaka Okada
    • Journal Title

      Thin Solid Films

      Volume: 709 Pages: 138252-138252

    • DOI

      10.1016/j.tsf.2020.138252

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541, KAKENHI-PROJECT-18K04224
  • [Journal Article] Photoabsorption improvement in multi-stacked InGaAs/GaAs quantum dot2020

    • Author(s)
      Y. Shoji, K. Watanabe, and Y. Okada
    • Journal Title

      Solar Energy Materials & Solar Cells

      Volume: 204 Pages: 110216-110216

    • DOI

      10.1016/j.solmat.2019.110216

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Current transport efficiency analysis of multijunction solar cells by luminescence imaging2019

    • Author(s)
      H. Xu, A. Delamarre, B. M. F. Yu Jeco, H. Johnson, K. Watanabe, Y. Okada, J.-F. Guillemoles, Y. Nakano, and M. Sugiyama
    • Journal Title

      Progress in Photovoltaics: Research and Applications

      Volume: 27 Issue: 10 Pages: 835-843

    • DOI

      10.1002/pip.3140

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Nanoscale Wet Chemical Engineering of III-V Quantum Dots for Emerging Solar Applications2019

    • Author(s)
      M. Bouttemy, D. Aureau, M. Fregnaux, Y. Shoji, Z. Jehl, D. Suchet, J.-F. Guillemoles, A. Etcheberry, and Y. Okada
    • Journal Title

      ECS Meeting Abstracts

      Volume: 89 Issue: 24 Pages: 37-46

    • DOI

      10.1149/ma2019-01/24/1230

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Detailed balance calculations for hot-carrier solar cells: coupling high absorptivity with low thermalization through light trapping2019

    • Author(s)
      M. Giteau, D. Suchet, S. Collin, J.-F. Guillemoles and Y. Okada
    • Journal Title

      EPJ Photovoltaics

      Volume: 10 Pages: 1-1

    • DOI

      10.1051/epjpv/2019001

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] A hot-carrier assisted InAs/AlGaAs quantum-dot intermediate-band solar cell2019

    • Author(s)
      B. Behaghel, R. Tamaki, H.-L. Chen, P. Rale, L. Lombez, Y. Shoji, A. Delamarre, A. Cattoni, S. Collin, Y. Okada, and J.-F. Guillemoles
    • Journal Title

      Semiconductor Science and Technology

      Volume: 34 Issue: 8 Pages: 084001-084001

    • DOI

      10.1088/1361-6641/ab23d0

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Journal Article] Hybrid photovoltaic and thermoelectric module for high concentration solar system2017

    • Author(s)
      Ryo Tamaki, Takeshi Toyoda, Yoichi Tamura, Akinari Matoba, Toshiharu Minamikawa, Masayuki Tokuda, Megumi Masui, Yoshitaka Okada
    • Journal Title

      AIP Conference Proceedings

      Volume: 1881 Pages: 100002-100002

    • DOI

      10.1063/1.5001453

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Multiband modification of III-V dilute nitrides for IBSC application2017

    • Author(s)
      Nazmul Ahsan, Naoya Miyashita, Kin Man Yu, Wladek Walukiewicz, Yoshitaka Okada
    • Journal Title

      Proc. SPIE 10099, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI

      Volume: - Pages: 100990I-100990I

    • DOI

      10.1117/12.2250700

    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] High density quantum dot solar cells for concentrating photovoltaics2017

    • Author(s)
      Yoshitaka Okada, Yasushi Shoji, Chao-Yu Hung, Daniel J. Farrell, Tomah Sogabe
    • Journal Title

      IEEE Environment and Electrical Engineering and IEEE Industrial and Commercial Power Systems Europe

      Volume: June Pages: 1-1

    • DOI

      10.1109/eeeic.2017.7977408

    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Effect of Si doping and sunlight concentration on the performance of InAs/GaAs quantum dot solar cells2017

    • Author(s)
      Shunya Naito, Katsuhisa Yoshida, Naoya Miyashita, Ryo Tamaki, Takuya Hoshii, Yoshitaka Okada
    • Journal Title

      Journal of Photonics for Energy

      Volume: 7 Issue: 2 Pages: 025505-025505

    • DOI

      10.1117/1.jpe.7.025505

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Multi-stacked GaSb/GaAs type-II quantum nanostructures for applica-tion to intermediate band solar cells2017

    • Author(s)
      Yasushi Shoji, Ryo Tamaki, Yoshitaka Okada
    • Journal Title

      AIP Advances

      Volume: 7 Issue: 6 Pages: 065305-065305

    • DOI

      10.1063/1.4985722

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Efficient two-step photocarrier generation in bias-controlled InAs/GaAs quantum dot superlattice intermediate-band solar cells2017

    • Author(s)
      Kada T.、Asahi S.、Kaizu T.、Harada Y.、Tamaki R.、Okada Y.、Kita T.
    • Journal Title

      Scientific Reports

      Volume: 7 Issue: 1 Pages: 5865-5865

    • DOI

      10.1038/s41598-017-05494-8

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K06352, KAKENHI-PROJECT-26246017
  • [Journal Article] Characterization of Cr Doped CuGaS2 Thin Films Synthesized By Chemical Spray Pyrolysis2017

    • Author(s)
      T. Ahsan, S. Kalainathan, N. Miyashita, T. Hoshii, Y. Okada
    • Journal Title

      Mechanics, Materials Science & Engineering MMSE Journal

      Volume: 9

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Demonstration of the operation principles of intermediate band solar cells at room temperature2016

    • Author(s)
      E. López, A. Datas, I. Ramiro, P.G. Linares, E. Antolin, I. Artacho, A. Marti, A. Luque, Y. Shoji, T. Sogabe, A. Ogura, Y. Okada
    • Journal Title

      Solar Energy Materials and Solar Cells

      Volume: 149 Pages: 15-18

    • DOI

      10.1016/j.solmat.2015.12.031

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Insights on energy selective contacts for thermal energy harvesting using double resonant tunneling contacts and numerical modeling2016

    • Author(s)
      A. Julian, Z. Jehl, N. Miyashita, Y. Okada, J.-F. Guillemoles
    • Journal Title

      Superlattices and Microstructures

      Volume: 100 Pages: 749-756

    • DOI

      10.1016/j.spmi.2016.10.023

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017, KAKENHI-PROJECT-14F04767
  • [Journal Article] A hot-electron thermophotonic solar cell demonstrated by thermal up-conversion of sub-bandgap photons2015

    • Author(s)
      Daniel J. Farrell, Hassanet Sodabanlu, Yunpeng Wang, Masakazu Sugiyama, and Yoshitaka Okada
    • Journal Title

      Nature Communications

      Volume: 6 Issue: 1 Pages: 8685-8685

    • DOI

      10.1038/ncomms9685

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Two-Step Photon Absorption in InAs/GaAs Quantum-Dot Superlattice Solar Cells2015

    • Author(s)
      T. Kada, S. Asahi, T. Kaizu, Y. Harada, T. Kita, R. Tamaki, Y. Okada, and K. Miyano
    • Journal Title

      Physical Review B

      Volume: 91 Issue: 20 Pages: 201303-201303

    • DOI

      10.1103/physrevb.91.201303

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K13953, KAKENHI-PROJECT-26246017, KAKENHI-PROJECT-14F04733
  • [Journal Article] Intermediate band solar cells: Recent progress and future directions2015

    • Author(s)
      Y. Okada, N. J. Ekins-Daukes, T. Kita, R. Tamaki, M. Yoshida, A. Pusch, O. Hess, C. C. Phillips, D. J. Farrell, K. Yoshida, N. Ahsan, Y. Shoji, T. Sogabe, and J-F. Guillemoles
    • Journal Title

      Applied Physics Reviews

      Volume: 2 Issue: 2 Pages: 021302-021302

    • DOI

      10.1063/1.4916561

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Spectrally resolved interband and intraband transitions by two-step photon absorption in InGaAs/GaAs quantum dot solar cells2015

    • Author(s)
      Ryo Tamaki, Yasushi Shoji, Yoshitaka Okada, and Kenjiro Miyano
    • Journal Title

      IEEE Journal of Photovoltaics

      Volume: 5 Issue: 1 Pages: 229-229

    • DOI

      10.1109/jphotov.2014.2368712

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Efficiency Estimations for Multijunction and Intermediate Band Solar Cells Using Actual Measured Solar Spectra in Japan2015

    • Author(s)
      Shunya Naitoh and Yoshitaka Okada
    • Journal Title

      Journal of Solar Energy Engineering

      Volume: 137 Issue: 3 Pages: 034504-034504

    • DOI

      10.1115/1.4029382

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Enhancement of current collection in epitaxial lift-off InAs/GaAs quantum dot thin film solar cell and concentrated photovoltaic study2014

    • Author(s)
      Tomah Sogabe, Yasushi Shoji, Peter Mulder, John Schermer, Efrain Tamayo, and Yoshitaka Okada
    • Journal Title

      Applied Physics Letters

      Volume: 105 Issue: 11 Pages: 113904-113904

    • DOI

      10.1063/1.4896114

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Spectrally resolved intraband transitions on two-step photon absorption in InGaAs/GaAs quantum dot solar cell2014

    • Author(s)
      Ryo Tamaki, Yasushi Shoji, Yoshitaka Okada, and Kenjiro Miyano
    • Journal Title

      Applied Physics Letters

      Volume: 105 Issue: 7 Pages: 073118-073118

    • DOI

      10.1063/1.4893879

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Journal Article] Self-organized InGaAs/GaAs quantum dot arrays for use in high-efficiency intermediate-band solar cells2013

    • Author(s)
      Yasushi Shoji. Katsuhiro Akimoto, and Yoshitaka Okada
    • Journal Title

      Journal of Physics D: Applied Physics

      Volume: 46 Issue: 2 Pages: 24002-24002

    • DOI

      10.1088/0022-3727/46/2/024002

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-10J02281, KAKENHI-PROJECT-22241035
  • [Journal Article] 量子ドット太陽電池の現状と将来展望2012

    • Author(s)
      岡田 至崇
    • Journal Title

      Journal of Vacuum Society of Japan, , 556 ()

      Volume: 55 Pages: 556-561

    • NAID

      10031145729

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Optical properties of multi-stacked InGaAs/GaNAs quantum dot solar cell fabricated on GaAs (311)B substrate2012

    • Author(s)
      Yasushi Shoji. Katsuhiro Akimoto, and Yoshitaka Okada
    • Journal Title

      Journal of Applied Physics

      Volume: 112 Issue: 6 Pages: 64314-64314

    • DOI

      10.1063/1.4752733

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-10J02281, KAKENHI-PROJECT-22241035
  • [Journal Article] The effect of concentration on the performance of quantum dot intermediate-band solar cells2012

    • Author(s)
      Yoshitaka Okada, Katsuhisa Yoshida, Yasushi Shoji, Akio Ogura, Pablo Garcia-Linares, Antonio Marti, and Antonio Luque
    • Journal Title

      AIP Conference Proceedings

      Volume: 1477 Pages: 10-13

    • DOI

      10.1063/1.4753822

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Device simulation of intermediate band solar cells: Effects of doping and concentration2012

    • Author(s)
      K. Yoshida, Y. Okada and N. Sano
    • Journal Title

      Journal of Applied Physics

      Volume: 112 Issue: 8 Pages: 814510-814510

    • DOI

      10.1063/1.4759134

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035, KAKENHI-PROJECT-24360130
  • [Journal Article] (Special article) High-efficiency Quantum Nanostructure Solar Cells: Present and Future Opportunities2012

    • Author(s)
      Yoshitaka Okada
    • Journal Title

      Journal of the Japan Institute of Energy

      Volume: 91 Pages: 382-385

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Extremely long carrier lifetime over 200?ns in GaAs wall-inserted type II InAs quantum dots2012

    • Author(s)
      K. Nishikawa, Y. Takeda, T. Motohiro, D.Sato, J. Ota, N. Miyashita and Y. Okada
    • Journal Title

      Applied Physics Letters

      Volume: 100 Issue: 11 Pages: 113105-113105

    • DOI

      10.1063/1.3694284

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Effect of spacer layer thickness on multi-stacked InGaAs quantum dots grown on GaAs (311) B substrate for application to intermediate band solar cells2012

    • Author(s)
      Yasushi Shoji, Kohei Narahara, Hideharu Tanaka, Takashi Kita, Katsuhiro Akimoto, Yoshitaka Okada
    • Journal Title

      Journal of Applied Physics

      Volume: 111 Issue: 7 Pages: 74305-74305

    • DOI

      10.1063/1.3699215

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-10J02281, KAKENHI-PROJECT-22241035
  • [Journal Article] Dark current characteristics of InAs/GaNAs strain-compensated quantum dot solar cells2011

    • Author(s)
      T.Morioka, Y.Okada
    • Journal Title

      Physica E

      Volume: 44 Pages: 390-393

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Transmission electron microscopy study of GaInNAs(Sb) thin films grown by atomic hydrogen-assisted molecular beam epitaxy2011

    • Author(s)
      R.Oshima, J.Y.Huang, N.Miyashita, K.Matsubara, Y.Okada, F.A.Ponce
    • Journal Title

      Applied Physics Letters

      Volume: 99 Pages: 191907-191907

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Increase of photocurrent by optical transitions via intermediate quantum states in direct-doped InAs/GaNAs strain-compensated quantum dot solar cell2011

    • Author(s)
      Y.Okada, T.Morioka, K.Yoshida, R.Oshima, Y.Shoji, T.Inoue, T.Kita
    • Journal Title

      Journal of Applied Physics

      Volume: 109 Pages: 24301-24301

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Increase in photocurrent by optical transitions via intermediate quantum states in direct doped InAs/GaNAs strain compensated quantum dot solar cell2011

    • Author(s)
      Y. Okada, T. Morioka, K. Yoshida, R.Oshima, Y. Shoji, T. Inoue and T. Kita
    • Journal Title

      Journal of Applied Physics

      Volume: 109 Issue: 2 Pages: 24301-24301

    • DOI

      10.1063/1.3533423

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Evaluation of multi-stacked InAs/GaNAs self-assembled quantum dots on GaAs(001) grown using different As species2011

    • Author(s)
      A.Takata, R.Oshima, Y.Shoji, K.Akahane, Y.Okada
    • Journal Title

      Journal of Crystal Growth

      Volume: 324 Pages: 158-161

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] The effect of spacer layer thickness on vertical alignment of InGaAs/GaNAs quantum dots grown on GaAs(311)B substrate2010

    • Author(s)
      Y.Shoji, R.Oshima, A.Takata, Y.Okada
    • Journal Title

      Physica E

      Volume: 42 Pages: 2768-2770

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Structural properties of multi-stacked self-organized InGaAs quantum dots grown on GaAs(311)B substrate2010

    • Author(s)
      Y.Shoji, R.Oshima, A.Takata, Y.Okada
    • Journal Title

      Journal of Crystal Growth

      Volume: 312 Pages: 226-229

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] InAs/GaNAs strain-compensated quantum dots stacked up to 50 layers for use in high-efficiency solar cell", Physica E 42, 2757 (2010)2010

    • Author(s)
      R.Oshima, A.Takata, Y.Shoji, K.Akahane, Y.Okada
    • Journal Title

      Physica E

      Volume: 42 Pages: 2757-2759

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Self-consistent simulation of intermediate band solar cells : Effect of occupation rates on device characteristics2010

    • Author(s)
      K.Yoshida, Y.Okada, N.Sano
    • Journal Title

      Applied Physics Letters

      Volume: 97 Pages: 133503-133503

    • NAID

      120007137892

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] Growth of multi-stacked InAs/GaNAs quantum dots grown with As_2 source in atomic hydrogen-assisted molecular beam epitaxy2010

    • Author(s)
      A.Takata, R.Oshima, Y.Shoji, K.Akahane, Y.Okada
    • Journal Title

      Physica E

      Volume: 42 Pages: 2745-2747

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Journal Article] MBE growth of InAs self-assembled quantum dots embedded in GaNAs strain-compensating layers2007

    • Author(s)
      T. Hashimoto, R. Oshima, H. Shigekawa, and Y. Okada
    • Journal Title

      J. Crystal Growth 301

      Pages: 821-824

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] MBE growth of InAs self-assembled quantum dots embedded in GaNAs strain-compensating Layers2007

    • Author(s)
      T. Hashimoto, R. Oshima, H. Shigekawa, and Y. Okada
    • Journal Title

      Journal of Crystal Growth 205

      Pages: 821-824

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] MBE Growth of InAs Self-Assembled Quantum Dots embedded in GaNAs Strain-Compensating Layers2007

    • Author(s)
      T.Hashimoto, R.Oshima, H.Shigekawa, Y.Okada
    • Journal Title

      Journal of Crystal Growth (印刷中)

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Optical properties of stacked InAs self-organized quantum dots on InP(311)B2007

    • Author(s)
      R. Oshima, K. Akahane, M. Tsuchiya, H. Shigekawa, and Y. Okada
    • Journal Title

      Journal of Crystal Growth 301

      Pages: 776-780

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Effect of growth temperature on the properties of Ga(In)NAs thin films by atomic hydrogen-assisted RF-MBE2007

    • Author(s)
      Y. Shimizu, N. Miyashita, Y. Mura, A. Uedono, and Y. Okada
    • Journal Title

      Journal of Crystal Growth 301

      Pages: 579-582

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Optical properties of stacked InAs self-organized quantum dots on InP(311)B"2007

    • Author(s)
      R.Oshima, K.Akahane, M.Tsuchiya, H.Shigekawa, Y.Okada
    • Journal Title

      Journal of Crystal Growth (印刷中)

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Next-generation solar cells with quantum nanostrucrures2007

    • Author(s)
      Y. Okada and R. Oshima
    • Journal Title

      Oyo Butsuri 76

      Pages: 50-53

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Multiple stacking of self-assembled InAs quantum dots embedded by GaNAs strain compensating layers2006

    • Author(s)
      R.Oshima, T.Hashimoto, H.Shigekawa, Y.Okada
    • Journal Title

      Journal of Applied Physics 100

      Pages: 83110-83110

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Strain compensation effect on stacked InAs self-assembled quantum dots embedded in GaNAs lavers2006

    • Author(s)
      R.Oshima, T.Hashimoto, H.Shigekawa, Y.Okada
    • Journal Title

      MRS Symposium Proceedings 0891

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Long wavelength InAs self- assembled quantum dots embedded in GaNAs strain-compensating layers2006

    • Author(s)
      R. Oshima, T. Hashimoto, H. Shigekawa, and Y. Okada
    • Journal Title

      Physica E 32

      Pages: 77-80

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Multiple stacking of self-assembled quantum dots embedded by GaNAs strain compensating layers2006

    • Author(s)
      R. Oshima, T. hashimoto, H. Shigekawa, and Y. Okada
    • Journal Title

      J. Appl. Phys 100

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Long wavelength InAs self-assembled quantum dots embedded in GaNAs strain-compensating layers2006

    • Author(s)
      R.Oshima, T.Hashimoto, H.Shigekawa, Y.Okada
    • Journal Title

      Physica E 32

      Pages: 77-77

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Improvement of crystal quality of GaInNAs films grown by atomic hydrogen-assisted RF-MBE2005

    • Author(s)
      Y.Shimizu, N.Kobayashi, A.Uedono, Y.Okada
    • Journal Title

      Journal of Crystal Growth 278

      Pages: 553-557

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Effect of Strain Compensation on Multi-stacking of InAs Self-assembled Quantum Dots Embedded in GaNAs Layers

    • Author(s)
      R.Oshima, T.Hashimoto, H.Shigekawa, Y.Okada
    • Journal Title

      Materials Research Society Symposium Proceedings (印刷中)

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Potentially Modulated GaAs/GaNAs/InGaAs Quantum Wells for Solar Cell Applications

    • Author(s)
      N.Kobayashi, N.Sasaki, Y.Okada
    • Journal Title

      Materials Research Society Symposium Proceedings (印刷中)

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Journal Article] Optimization of Growth Temperature of Ga(In)NAs Thin Films Grown by Atomic Hydrogen-assisted RF-MBE

    • Author(s)
      Y.Shimizu, N.Miyashita, A.Uedono, Y.Okada
    • Journal Title

      Materials Research Society Symposium Proceedings (印刷中)

    • Data Source
      KAKENHI-PROJECT-17360135
  • [Presentation] 薄膜中間バンド型太陽電池の電流増大に向けたBack-grating構造2024

    • Author(s)
      樗木悠亮、岡田至崇
    • Organizer
      第71回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Presentation] Analysis of plateau tandem solar cells2023

    • Author(s)
      Bernice Mae Yu Jeco-Espaldon, Yoshitaka Okada
    • Organizer
      2023 International Future Energy Electronics Conference (IFEEC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Presentation] Intermediate-band solar cell structure with multi-layer InAs/GaAs quantum dots fabricated at Fabry-Perot resonance positions2023

    • Author(s)
      Yusuke Oteki, Yoshitaka Okada
    • Organizer
      9th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Presentation] 高速成長による高密度GaSb/GaAs量子ドットの自己組織化成長2023

    • Author(s)
      樗木悠亮、岡田至崇
    • Organizer
      第83回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Presentation] 反応性スパッタリングによるAl2O3上へのMoSeのエピタキシー成長2023

    • Author(s)
      金 明玉、岡田至崇
    • Organizer
      第83回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-23K26135
  • [Presentation] Optimizing the positions of quantum dot layers for light absorption enhancement in quantum dot solar cells with light trapping2022

    • Author(s)
      Y. Oteki, N. Miyashita, M. Giteau, K. Kitahara, Y. Okada
    • Organizer
      8th World Conference on Photovoltaic Energy Conversion
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Epitaxial Growth of MoS2 on Sapphire (c-Al2O3) by MOCVD2022

    • Author(s)
      Myeongok Kim, Nazmul Ahsan, Nicholas Trainor, Chen Chen, Dorota Kowalczyk, Joan Redwing, Yoshitaka Okada
    • Organizer
      第69回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Enabling hot-carrier solar cells by combining ultrathin quantum absorbers with light trapping2022

    • Author(s)
      Maxime Giteau, Yoshitaka Okada他
    • Organizer
      SPIE Photonics West 2022
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] 光閉じ込め構造を用いたGaSb/GaAs量子リング中間バンド型太陽電池2022

    • Author(s)
      樗木悠亮, 岡田至崇
    • Organizer
      2022年度多元系化合物・太陽電池研究会年末講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Fabry-Perot光閉じ込め構造を用いた薄膜量子ドット太陽電池の評価2022

    • Author(s)
      樗木悠亮, 北原健渡, 宮下直也, 岡田至崇
    • Organizer
      第93回 応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] 薄膜中間バンド型太陽電池の電流増大に向けた量子ドット位置の最適化2022

    • Author(s)
      樗木悠亮、北原健渡、宮下直也、岡田至崇
    • Organizer
      第69回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Demonstration of Energy-Transfer Ratchet Intermediate-Band Solar Cells Using Erbium-Doped GaAs2022

    • Author(s)
      Yoshitaka Okada, Tomah Sogabe, Chao-Yu Hung, Ryo Tamaki
    • Organizer
      22nd International Vacuum Congress
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] 薄型量子ドット太陽電池における光閉じ込め構造と光吸収の増大2022

    • Author(s)
      北原健渡, 樗木悠亮, 宮下直也, 岡田至崇
    • Organizer
      第19 回「次世代の太陽光発電システム」シンポジウム(第 2 回日本太陽光発電学会学術講演会)
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Effect of Off-angle on the Epitaxial Growth of MoS2 on Off-angle Sapphire by Metal-organic Chemical Vapor Deposition2022

    • Author(s)
      Myeongok Kim, Nazmul Ahsan, Chen Chen, Dorota A. Kowalczyk, Nicholas Trainor, Joan M. Redwing, Yoshitaka Okada
    • Organizer
      9th International Symposium on Control of Semiconductor Interfaces
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Fabry-Perot共振を用いた量子ドット太陽電池の光吸収率増強2021

    • Author(s)
      樗木悠亮、Maxime Giteau、福島啓、北原健渡、宮下直也、玉置亮、岡田至崇
    • Organizer
      第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Approaches to high-efficiency intermediate band photovoltaics2021

    • Author(s)
      Yoshitaka Okada
    • Organizer
      European MRS Spring 2021
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] エピタキシャルリフトオフ法を用いた薄膜太陽電池の作製2020

    • Author(s)
      宮下直也、岡田至崇
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] 光閉じ込め効果を用いたInAs/GaAs量子ドット太陽電池の光吸収特性解析2020

    • Author(s)
      福島 啓、Maxime Giteau、岡田至崇
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Optimizing the structure of quantum dot intermediate-band solar cells2019

    • Author(s)
      Yoshitaka Okada
    • Organizer
      30th World Nano Conference (NANO30)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] High-Efficiency InAs-InGaAs Quantum Dash Solar Cells Developed Through Current Constraint Engineering2019

    • Author(s)
      Y. Okada, N. Miyashita, Y. Oteki, and Y. Shoji
    • Organizer
      46th IEEE Photovoltaic Specialists Conference (PVSC46)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Epitaxial Lift-Off of Ultrathin Heterostructures for Hot-Carrier Solar Cell Applications2019

    • Author(s)
      M. Giteau, K. Watanabe, H. . Sugiyama, A. Cattoni, S. Collin, J.-F. Guillemoles, and Y. OkadaSodabanlu, N. Miyashita, M
    • Organizer
      Compound Semiconductor Week 2019 (CSW2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Quantum Dot Photovoltaics: Challenges Towards 50% Efficiency2019

    • Author(s)
      Yoshitaka Okada
    • Organizer
      10th International Conference on Materials for Advanced Technologies (ICMAT2019)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] Progress and Approaches to High-Efficiency Intermediate Band Photovoltaics2019

    • Author(s)
      Yoshitaka Okada
    • Organizer
      7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano 2019)
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H02541
  • [Presentation] 50-layer stacked InGaAs/GaAs quantum dot solar cell with light scattering structure2017

    • Author(s)
      Y. Shoji, K. Watanabe, A. Ogura, Y. Okada
    • Organizer
      33rd European Photovoltaic Solar Energy Conference and Exhibition
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Modeling and characterization of double resonant tunneling diodes for application as energy selective contacts in hot carrier solar cells2017

    • Author(s)
      5)Zacharie Jehl, Anatole Julian, Naoya Miyashita, Francois Gibelli, Yoshitaka Okada, Jean-Francois Guillemoles
    • Organizer
      SPIE Photonics West 2017
    • Place of Presentation
      The Moscone Center, San Francisco, USA
    • Year and Date
      2017-01-28
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-14F04767
  • [Presentation] Recent Progress of Quantum Dot Intermediate Band Solar Cells2017

    • Author(s)
      岡田 至崇, 庄司 靖, 吉田 勝尚, 内藤 駿弥, 玉置 亮
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2017-03-14
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Challenges and Progress on the Development of Quantum Dot Intermediate Band Solar Cells2017

    • Author(s)
      Yoshitaka Okada, Yasushi Shoji, Ryo Tamaki
    • Organizer
      2017 MRS Spring Meeting
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] In(Ga)As / Al0.2GaAs QUANTUM DOT INTERMEDIATE-BAND-ASSISTED HOT-CARRIER SOLAR CELL WITH FABRY-PEROT CAVITY2017

    • Author(s)
      Benoît Behaghel, Pierre Rale, Hung-Ling Chen, Laurent Lombez, Yasushi Shoji, Ryo Tamaki, Stéphane Collin, Yoshitaka Okada, Jean-François Guillemoles
    • Organizer
      27th International Photovoltaic Science and Engineering Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Type-II Quantum Dots for Application to Photon Ratchet Intermediate Band Solar Cells2017

    • Author(s)
      Ryo Tamaki, Yasushi Shoji, Yoshitaka Okada
    • Organizer
      44th IEEE Photovoltaic Specialists Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Hot Carrier Transportation Dynamics in InAs/GaAs Quantum Dot Solar Cell2017

    • Author(s)
      Tomah Sogabe, Kohdai Nii, Katsuyoshi Sakamoto, Koichi Yamaguchi, Yoshitaka Okada
    • Organizer
      44th IEEE Photovoltaic Specialists Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Universal Linear Relationship on Two-Step Photon Absorption Processes in In(Ga)As Quantum Dot Solar Cells2016

    • Author(s)
      Ryo Tamaki, Yasushi Shoji, Takeyoshi Sugaya, Yoshitaka Okada
    • Organizer
      43rd IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Oregon Convention Center, USA
    • Year and Date
      2016-06-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Improvements in Quantum Dot Intermediate Band Solar Cells2016

    • Author(s)
      Y. Okada, Y. Shoji, S. Naito and R. Tamaki
    • Organizer
      19th International Conference of Superlattices, Nanostructures and Nanodevices
    • Place of Presentation
      City University of Hong Kong, Hong Kong
    • Year and Date
      2016-07-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] 量子ドット中間バンド太陽電池の高効率化メカニズム2016

    • Author(s)
      岡田 至崇、庄司 靖、玉置 亮、吉田 勝尚、曽我部 東馬
    • Organizer
      第63回応用物理学会春季学術講演会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2016-03-19
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Progress of Quantum Dot Intermediate-Band Solar Cells2016

    • Author(s)
      Yoshitaka Okada
    • Organizer
      26th International Photovoltaic Science and Engineering Conference
    • Place of Presentation
      Marina Bay Sands Expo and Convention Centre, Singapore
    • Year and Date
      2016-10-24
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Current Trends in High-Efficiency Ⅲ-ⅤNanostructured Solar Cells2016

    • Author(s)
      Yoshitaka Okada
    • Organizer
      Compound Semiconductor Week 2016 (CSW)
    • Place of Presentation
      Toyama International Conference Center, Japan
    • Year and Date
      2016-06-26
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Design optimization for two-step photon absorption in quantum dots by infrared photocurrent spectroscopy2016

    • Author(s)
      Ryo Tamaki, Yasushi Shoji, and Yoshitaka Okada
    • Organizer
      SPIE Photonics West Meeting
    • Place of Presentation
      アメリカ・サンフランシスコ
    • Year and Date
      2016-02-13
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Hot Carrier Solar Cells: current trends and recent progresses at NextPV Lab.2016

    • Author(s)
      Z. Jehl, N. Miyashita, A. Julian, Y. Okada, J-F. Guillemoles
    • Organizer
      7th thin film PV Seminar
    • Place of Presentation
      山形大学
    • Year and Date
      2016-03-13
    • Invited
    • Data Source
      KAKENHI-PROJECT-14F04767
  • [Presentation] Effect of Si Doping on Performance of Quantum Dot Solar Cells2015

    • Author(s)
      S. Naitoh, N. Miyashita, K. Toprasertpong, R. Tamaki, T. Hoshii, M. Sugiyama, and Y. Okada
    • Organizer
      31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC)
    • Place of Presentation
      ドイツ・ハンブルグ
    • Year and Date
      2015-09-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Evaluation of 1.0 eV GaInNAsSb Solar Cells for Multi-Junction Applications and Annealing Effects2015

    • Author(s)
      N. Miyashita, N. Ahsan, and Y. Okada
    • Organizer
      31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC)
    • Place of Presentation
      ドイツ・ハンブルグ
    • Year and Date
      2015-09-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Self-consistent modeling of double resonant tunneling barriers with selective contacts for hot carrier solar cells2015

    • Author(s)
      Z. Jehl, A. Julian, Y. Okada, J-F. Guillemoles
    • Organizer
      31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC)
    • Place of Presentation
      ドイツ・ハンブルグ
    • Year and Date
      2015-09-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-14F04767
  • [Presentation] Quantitative Optical Spectroscopy of QDs Intermediate Band Solar Cells2015

    • Author(s)
      P. Rale, B. Behaghel, A. Delamarre, N. Vandamme, D. Ory, S. Collin, L. Lombez, J.F. Guillemoles, R. Tamaki, Y. Shoji, and Y. Okada
    • Organizer
      31st European Photovoltaic Solar Energy Conference and Exhibition (EU-PVSEC)
    • Place of Presentation
      ドイツ・ハンブルグ
    • Year and Date
      2015-09-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] InAs quantum dots grown on GaAsSb layer on different substrate orientation2012

    • Author(s)
      Y. Shoji, K. Akimoto and Y. Okada
    • Organizer
      17th International Conference on Molecular Beam Epitaxy
    • Place of Presentation
      奈良
    • Year and Date
      2012-09-25
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] InGaAs/GaAsSb Type-II Quantum Dots for Intermediate-Band Solar Cell2012

    • Author(s)
      Yasushi Shoji, Katsuhiro Akimoto and Yoshitaka Okada
    • Organizer
      38th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      オースティン(アメリカ合衆国)
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] InGaAs/ GaAsSb Type-II Quantum Dots for Intermediate-Band Solar Cell2012

    • Author(s)
      Y. Shoji, K. Akimoto and Y. Okada
    • Organizer
      38th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Austinアメリカ
    • Year and Date
      2012-06-05
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] High-Efficiency Quantum Dot Intermediate-Band Solar Cells2012

    • Author(s)
      Yoshitaka Okada
    • Organizer
      IUMRS International Conference on Electronic Materials
    • Place of Presentation
      横浜パシフィコ
    • Invited
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] High-Efficiency Quantum Dot Intermediate-Band Solar Cells2012

    • Author(s)
      Y. Okada
    • Organizer
      IUMRS International Conference on Electronic Materials
    • Place of Presentation
      横浜
    • Year and Date
      2012-09-24
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Intermediate-band photovoltaics based on quantum dot superlattice2012

    • Author(s)
      Yoshitaka Okada
    • Organizer
      2012 International Conference on Superlattices, Nanostructures, and Nanodevices
    • Place of Presentation
      ドレスデン(ドイツ)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Modelling of Vertical and In-plane Quantum Dots Arrays for High Efficiency Solar Cells2012

    • Author(s)
      Stanko Tomic, Tomah Sogabe, and Yoshitaka Okada
    • Organizer
      2012 MRS Fall Meeting
    • Place of Presentation
      ボストン(アメリカ合衆国)
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Recent Topics on Quantum Dot Intermediate-Band Solar Cells2012

    • Author(s)
      Y.Okada
    • Organizer
      4th International Symposium on Innovative Solar Cells
    • Place of Presentation
      東京
    • Year and Date
      2012-03-05
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] InAs Quantum Dots-Based Intermediate Band Solar Cells2012

    • Author(s)
      Yoshitaka Okada
    • Organizer
      2nd Workshop on High-Efficiency Material for Photovoltaics
    • Place of Presentation
      インペリアルカレッジロンドン(英国)
    • Invited
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Current Enhancement in Direct Si-Doped InAs/GaNAs Strain-Compensated Quantum Dot Solar Cells2011

    • Author(s)
      Y.Shoji, T.Morioka, Y.Okada
    • Organizer
      37th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      シアトル(アメリカ)
    • Year and Date
      2011-06-24
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Modeling of Quantum Dot Solar Cells for Concentrator PV Applications2011

    • Author(s)
      A.Ogura, Y.Okada, et al.
    • Organizer
      37th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      シアトル(アメリカ)
    • Year and Date
      2011-06-23
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Self-organized heteroepitaxy of InAs quantum dots and application to intermediate band solar cells2011

    • Author(s)
      Y.Okada
    • Organizer
      Workshop on High-efficiency material for photovoltaics
    • Place of Presentation
      インペリアルカレッジロンドン(英国)(招待講演)
    • Year and Date
      2011-08-11
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] 積層量子ドット構造におけるキャリア寿命に対する中間層膜厚依存性2011

    • Author(s)
      楢原康平, 喜多隆, 岡田至崇, 他
    • Organizer
      第72回応用物理学関係連合講演会
    • Place of Presentation
      山形
    • Year and Date
      2011-08-29
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Effects of Absorption Spectra Overlapping on Structure Design of Intermediate Band Solar Cells2011

    • Author(s)
      K. Yoshida, Y. Okada, and N. Sano
    • Organizer
      37th IEEE Photovoltaic Specialist Conference
    • Place of Presentation
      Seattleアメリカ
    • Year and Date
      2011-06-23
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Growth and application of threedimensionalquantum dot superlattice forhigh-efficiency intermediate band solar cells2011

    • Author(s)
      Y. Okada
    • Organizer
      International Workshop onEpitaxial Growth and Fundamental Propertiesof Semiconductor Nanostructures
    • Place of Presentation
      Traunkirchenオーストリア
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Effects of Absorption Spectra Overlapping on Structure Design of Intermediate Band Solar Cells2011

    • Author(s)
      K.Yoshida, Y.Okada, N.Sano
    • Organizer
      37th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      シアトル(アメリカ)
    • Year and Date
      2011-06-22
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Effect of Spacer Layer Thickness on Optical Properties of Multi-Stacked InGaAs Quantum Dot Grown on GaAs(311)B Substrate2011

    • Author(s)
      Y.Shoji, K.Narahara, H.Tanaka, T.Kita, K.Akimoto, Y.Okada
    • Organizer
      21st International Photovoltaic Science and Engineering Conference
    • Place of Presentation
      福岡
    • Year and Date
      2011-11-29
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] CurrentEnhancement in Direct Si-Doped InAs/GaNAs Strain-Compensated Quantum Dot Solar Cells2011

    • Author(s)
      Y. Shoji, T. Morioka, and Y. Okada
    • Organizer
      37th IEEE Photovoltaic Specialist Conference
    • Place of Presentation
      Seattle アメリカ
    • Year and Date
      2011-06-24
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] 中間バンド型量子ドット太陽電池のデバイスシミュレーション(IV)2011

    • Author(s)
      吉田勝尚, 岡田至崇, 佐野伸行
    • Organizer
      第72回応用物理学会学術講演会
    • Place of Presentation
      山形大
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Growth and application of three-dimensional quantum dot superlattice for high-efficiency intermediate band solar cells2011

    • Author(s)
      Y.Okada
    • Organizer
      International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures
    • Place of Presentation
      Traunkirchen (Austria)(招待講演)
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Multi-stacked InAs/GaNAs quantum dots with direct Si doping for use in intermediate band solar cell2010

    • Author(s)
      T.Morioka, R.Oshima, A.Takata, Y.Shoji, T.Inoue, T.Kita, Y.Okada
    • Organizer
      35th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Honolulu (USA)
    • Year and Date
      2010-06-22
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Fabrication of 100 Layer-stacked InAs/GaNAs Strain-Compensated Quantum Dots on GaAs(001) for Application to Intermediate Band Solar Cell2010

    • Author(s)
      A.Takata, R.Oshima, Y.Shoji, K.Akahane, Y.Okada
    • Organizer
      35th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Honolulu (USA)
    • Year and Date
      2010-06-22
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Multi-stacked InGaAs/GaNAs quantum dot solar cell fabricated on GaAs(311)B substrate2010

    • Author(s)
      Y.Shoji, R.Oshima, A.Takata, T.Morioka, Y.Okada
    • Organizer
      35th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Honolulu (USA)
    • Year and Date
      2010-06-22
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Recent Progress on Quantum Dot Intermediate-Band Solar Cells2010

    • Author(s)
      Y.Okada
    • Organizer
      3rd International Symposium on Innovative Solar Cells
    • Place of Presentation
      東京(Invited)
    • Year and Date
      2010-10-08
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Evaluation of multi-stacked InAs/GaNAs self-assembled quantum dots on GaAs (001) grown by using different As species2010

    • Author(s)
      A.Takata, R.Oshima, Y.Shoji, K.Akahane, Y.Okada
    • Organizer
      16th International Conference on Molecular Beam Epitaxy
    • Place of Presentation
      Berlin (Germany)
    • Year and Date
      2010-08-23
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Self-Consistent Drift-Diffusion Analysis of Intermediate Band Solar Cell (IBSC) : Effect of Energetic Position of IB on Conversion Efficiency2010

    • Author(s)
      K.Yoshida, Y.Okada, N.Sano
    • Organizer
      35th IEEE Photovoltaic specialists Conference
    • Place of Presentation
      Honolulu (USA)
    • Year and Date
      2010-06-21
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] High-Density Quantum Dot Superlattice for Application to High-Efficiency Solar Cells2010

    • Author(s)
      R.Oshima, Y.Okada, A.Takata, S.Yagi, K.Akahane, R.Tamaki, K.Miyano
    • Organizer
      37th International Symp.on Compound Semiconductors
    • Place of Presentation
      高松
    • Year and Date
      2010-06-02
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Quantum Dot Superlattice for High Efficiency Intermediate Band Solar Cell2010

    • Author(s)
      Y.Okada
    • Organizer
      2010 International Conference on Solid State Devices and Materials
    • Place of Presentation
      東京(Invited)
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Optical gain of multi-stacked InAs quantum dots grown on InP(311)B substrate by strain-compensation technique2010

    • Author(s)
      A.Takata, K.Akahane, N.Yamamoto, Y.Okada
    • Organizer
      37th International Symp.on Compound Semiconductors
    • Place of Presentation
      高松
    • Year and Date
      2010-06-01
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] Self-Consistent Drift-Diffusion Approach for Analysis Intermediate Band Solar Cells with Multi-Stacked Quantum Dots2010

    • Author(s)
      K.Yoshida, Y.Okada, N.Sano
    • Organizer
      25th European Photovoltaic Solar Energy Conference and Exhibition
    • Place of Presentation
      Valencia (Spain)
    • Year and Date
      2010-09-27
    • Data Source
      KAKENHI-PROJECT-22241035
  • [Presentation] 量子ドット太陽電池の現状2007

    • Author(s)
      岡田至崇
    • Organizer
      第68回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学
    • Year and Date
      2007-09-04
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Presentation] Multiple stacking of self-assembled quantum dots embedded by GaNAs strain compensating layers2006

    • Author(s)
      R. Oshima, T. Hashimoto, H. Shigekawa, and Y. Okada
    • Organizer
      28th International Conference on Physics of Semiconductors
    • Place of Presentation
      Vienna(Austria)
    • Year and Date
      2006-07-26
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360135
  • [Presentation] Recent Progress on Quantum Dot Intermediate Band Solar Cells

    • Author(s)
      Yoshitaka Okada
    • Organizer
      The 27th International Microprocesses and Nanotechnology Conference (MNC)
    • Place of Presentation
      福岡
    • Year and Date
      2014-11-04 – 2014-11-07
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Intermediate Band Materials for High Efficiency Solar Cells

    • Author(s)
      Yoshitaka Okada
    • Organizer
      The 41st International Conference on Metallurgical Coatings and Thin Films (ICMCTF)
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2014-04-28 – 2014-05-02
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Self-organized QDs for intermediate-band solar cells

    • Author(s)
      Yoshitaka Okada
    • Organizer
      2014 Workshop on High-Efficiency Material for Photovoltaics (HEMP)
    • Place of Presentation
      Imperial College London, UK
    • Year and Date
      2014-07-21 – 2014-07-22
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • [Presentation] Quantum Dot Superlattice for High-efficiency Intermediate Band Solar Cells

    • Author(s)
      Yoshitaka Okada
    • Organizer
      OSA Congress on Optical Nanostructures and Advanced Materials for Photovoltaics
    • Place of Presentation
      Canberra, Australia
    • Year and Date
      2014-11-02 – 2014-11-05
    • Invited
    • Data Source
      KAKENHI-PROJECT-26246017
  • 1.  KAWABE Mitsuo (80029446)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 2.  JEHL ZACHARIE
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 9 results
  • 3.  KITA Takashi (10221186)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 4.  AKAHANE Kouichi (50359072)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 7 results
  • 5.  横山 新 (80144880)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  TAMAKI RYO
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 16 results
  • 7.  SHOJI YASUSHI
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 19 results
  • 8.  YOSHIDA KATSUHISA
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 9.  原田 幸弘
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 10.  海津 利行
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 11.  J. Wipakorn
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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