Otsuka Keigo 大塚慶吾

Researcher Number	20823636
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院工学系研究科(工学部), 助教
Affiliation (based on the past Project Information) *help	2020 – 2024: 東京大学, 大学院工学系研究科(工学部), 助教
Review Section/Research Field	Principal Investigator Basic Section 19020:Thermal engineering-related / Basic Section 28030:Nanomaterials-related Except Principal Investigator Medium-sized Section 19:Fluid engineering, thermal engineering, and related fields / Broad Section C / Medium-sized Section 28:Nano/micro science and related fields
Keywords	Principal Investigator 単層カーボンナノチューブ / 配列制御 / イメージ分光 / 解離吸着 / 成長速度論 / イメージング分光 / 電界効果トランジスタ / その場観察 / 結晶成長 / カーボンナノチューブ … More / ナノスケール伝熱 / 光物性 / 輸送特性 / ナノ界面 / ナノスケール輸送特性 / ナノ・マイクロ加工 / 単一ナノ構造材料 … More Except Principal Investigator カーボンナノチューブ / 遷移金属ダイカルコゲナイド / 光電変換デバイス / 分光計測 / 一次元ファンデルワールスヘテロ構造 / エネルギーデバイス応用 / 遷移金属ダイカルゴゲナイト / 超高分解能電子顕微鏡 / ヘテロナノチューブ / 有機太陽電池 / 化学気相成長 / 浮遊触媒 / eDIPS / 有機系太陽電池 / スプレー塗布 / ペロブスカイト太陽電池 / 有機薄膜太陽電池 / フラーレン / カーボンナノチューブ薄膜透明電極 Less

Photovoltaic devices made of one-dimensional heterostructures
- Principal Investigator
  
  丸山茂夫
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section C
- Research Institution
  The University of Tokyo
一次元ヘテロ構造の合成制御と光学物性
- Principal Investigator
  
  丸山茂夫
- Project Period (FY)
  2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 19:Fluid engineering, thermal engineering, and related fields
- Research Institution
  The University of Tokyo
カーボンナノチューブの成長素過程定式化による構造制御の戦略変革Principal Investigator
- Principal Investigator
  
  大塚慶吾
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 19020:Thermal engineering-related
- Research Institution
  The University of Tokyo
Large-area Flexible Organic Solar Cell Using Vapor-grown Carbon Nanotubes Films
- Principal Investigator
  
  松尾豊
- Project Period (FY)
  2021 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 28:Nano/micro science and related fields
- Research Institution
  Nagoya University
Measurement of heat transfer at a single interface of single-walled carbon nanotubesPrincipal Investigator
- Principal Investigator
  
  Otsuka Keigo
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 28030:Nanomaterials-related
- Research Institution
  The University of Tokyo

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Chirality engineering for carbon nanotube electronics2024
- Author(s)
  Tang Dai-Ming、Cretu Ovidiu、Ishihara Shinsuke、Zheng Yongjia、Otsuka Keigo、Xiang Rong、Maruyama Shigeo、Cheng Hui-Ming、Liu Chang、Golberg Dmitri
- Journal Title
  
  Nature Reviews Electrical Engineering
  
  Volume: 1 Issue: 3 Pages: 149-162
- DOI
  10.1038/s44287-023-00011-8
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443, KAKENHI-PROJECT-23K26489
[Journal Article] Evaluating the Efficiency of Boron Nitride Coating in Single-Walled Carbon-Nanotube-Based 1D Heterostructure Films by Optical Spectroscopy2024
- Author(s)
  Wang Shuhui、Levshov Dmitry I.、Otsuka Keigo、Zhang Bo-Wen、Zheng Yongjia、Feng Ya、Liu Ming、Kauppinen Esko I.、Xiang Rong、Chiashi Shohei、Wenseleers Wim、Cambre Sofie、Maruyama Shigeo
- Journal Title
  
  ACS Nano
  
  Volume: 18 Issue: 14 Pages: 9917-9928
- DOI
  10.1021/acsnano.3c09615
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22KF0070, KAKENHI-PROJECT-23H05443
[Journal Article] Coaxial boron nitride nanotubes as interfacial dielectric layers to lower interface trap density in carbon nanotube transistors2023
- Author(s)
  Otsuka Keigo、Sugihara Taiki、Inoue Taiki、Jia Weijie、Matsushita Satoru、Saito Takanobu、Lee Minhyeok、Taniguchi Takashi、Watanabe Kenji、Pitner Gregory、Li Ming-Yang、Chao Tzu-Ang、Xiang Rong、Chiashi Shohei、Maruyama Shigeo
- Journal Title
  
  Nano Research
  
  Volume: 16 Issue: 11 Pages: 12840-12848
- DOI
  10.1007/s12274-023-6241-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443, KAKENHI-PROJECT-23K22682
[Journal Article] Horizontal Arrays of One-Dimensional van der Waals Heterostructures as Transistor Channels2023
- Author(s)
  Matsushita Satoru、Otsuka Keigo、Sugihara Taiki、Zhu Guangyao、Kittipaisalsilpa Kasidis、Lee Minhyeok、Xiang Rong、Chiashi Shohei、Maruyama Shigeo
- Journal Title
  
  ACS Applied Materials & Interfaces
  
  Volume: 15 Issue: 8 Pages: 10965-10973
- DOI
  10.1021/acsami.2c22964
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00220, KAKENHI-PROJECT-20H02079, KAKENHI-PROJECT-20KK0114, KAKENHI-PROJECT-23K22682
[Journal Article] Universal Map of Gas-Dependent Kinetic Selectivity in Carbon Nanotube Growth2022
- Author(s)
  Otsuka Keigo、Ishimaru Ryoya、Kobayashi Akari、Inoue Taiki、Xiang Rong、Chiashi Shohei、Kato Yuichiro K.、Maruyama Shigeo
- Journal Title
  
  ACS Nano
  
  Volume: - Issue: 4 Pages: 5627-5627
- DOI
  10.1021/acsnano.1c10569
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14660, KAKENHI-PROJECT-20K15137, KAKENHI-PROJECT-20H00220, KAKENHI-PROJECT-20H02079, KAKENHI-PROJECT-20KK0114
[Journal Article] Carbon Dioxide Triggers Carbon Nanotube Nucleation: Isotope Labeling Study on the Growth Process of Individual Nanotubes2022
- Author(s)
  Ishimaru Ryoya、Otsuka Keigo、Inoue Taiki、Chiashi Shohei、Maruyama Shigeo
- Journal Title
  
  ECS Journal of Solid State Science and Technology
  
  Volume: 11 Issue: 7 Pages: 071002-071002
- DOI
  10.1149/2162-8777/ac7c38
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00220, KAKENHI-PROJECT-20H02079, KAKENHI-PROJECT-23K22682
[Journal Article] Waveguide coupled cavity-enhanced light emission from individual carbon nanotubes2021
- Author(s)
  Yamashita D.、Machiya H.、Otsuka K.、Ishii A.、Kato Y. K.
- Journal Title
  
  APL Photonics
  
  Volume: 6 Issue: 3 Pages: 031302-031302
- DOI
  10.1063/5.0042635
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15199, KAKENHI-PROJECT-19J00894, KAKENHI-PROJECT-20J00817, KAKENHI-PROJECT-20K15137, KAKENHI-PROJECT-20H02558
[Journal Article] Deterministic transfer of optical-quality carbon nanotubes for atomically defined technology2021
- Author(s)
  Otsuka Keigo、Fang Nan、Yamashita Daiki、Taniguchi Takashi、Watanabe Kenji、Kato Yuichiro K.
- Journal Title
  
  Nature Communications
  
  Volume: 12 Issue: 1 Pages: 1-8
- DOI
  10.1038/s41467-021-23413-4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15120, KAKENHI-PROJECT-20K15137, KAKENHI-PROJECT-20K15199, KAKENHI-PROJECT-19K23593, KAKENHI-PROJECT-20J00817, KAKENHI-PROJECT-20H02558
[Journal Article] Quantum Emission Assisted by Energy Landscape Modification in Pentacene-Decorated Carbon Nanotubes2021
- Author(s)
  Li Zhen、Otsuka Keigo、Yamashita Daiki、Kozawa Daichi、Kato Yuichiro K.
- Journal Title
  
  ACS Photonics
  
  Volume: 8 Issue: 8 Pages: 2367-2374
- DOI
  10.1021/acsphotonics.1c00539
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15112, KAKENHI-PROJECT-20K15121, KAKENHI-PROJECT-20K15137, KAKENHI-PROJECT-20K15199, KAKENHI-PROJECT-20J00817, KAKENHI-PROJECT-20H02558
[Journal Article] Hexagonal Boron Nitride As an Ideal Substrate for Carbon Nanotube Photonics2020
- Author(s)
  N. Fang, K. Otsuka, A. Ishii, T. Taniguchi, K. Watanabe, K. Nagashio, and Y. K. Kato
- Journal Title
  
  ACS Photonics
  
  Volume: 7 Issue: 7 Pages: 1773-1779
- DOI
  10.1021/acsphotonics.0c00406
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15120, KAKENHI-PROJECT-20K15137, KAKENHI-PROJECT-19K23593, KAKENHI-PROJECT-19H00755, KAKENHI-PROJECT-20H00354, KAKENHI-PROJECT-19J00894, KAKENHI-PROJECT-19K21956, KAKENHI-PROJECT-16H05962
[Presentation] Fabrication mechanism of CNT transparent conductive films by filtration at the interface between phase-separated liquids2024
- Author(s)
  S. Nishida, Y. Shimada, T. Endo, R. Kaneda, K. Otsuka, S. Maruyama, S. Chiashi
- Organizer
  The 66th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Low-Temperature Synthesis of Linear Carbon Chain inside Single-Walled Carbon Nanotubes2024
- Author(s)
  X. Qiu, B. Zhang, Q. Hu, Y. Feng, A. Fito Parera, I. Kohata, Y. Zheng, Y. Wang, M. Yutaka, T. Tanaka, H. Kataura, S. Chiashi, R. Xiang, D. Levshov, S. Cambre, W. Wenseleers, S. V. Rotkin, K. Otsuka, S. Maruyama
- Organizer
  第71回応用物理学春季学術講演会
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Direct synthesis of h-BN by non catalytic CVD with borazine generated from ammonia borane pyrolysis2024
- Author(s)
  H. Nishimura, W. Miyata, K. Kusakabe, K. Otsuka, S. Maruyama, S. Chiashi
- Organizer
  The 66th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Low-Temperature Synthesis of Linear Carbon Chain inside Single-Walled Carbon Nanotubes2024
- Author(s)
  X. Qiu, B. Zhang, Q. Hu, Y. Feng, A. Fito Parera, I. Kohata, Y. Zheng, Y. Wang, Y. Matsuo, T. Tanaka, H. Kataura, S. Chiashi, R. Xiang, D. Levshov, S. Cambre, W. Wenseleers, S. V. Rotkin, K. Otsuka, S. Maruyama
- Organizer
  第71回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-21KK0087
[Presentation] Critical roles of Fe and Co binary catalysts in ACCVD growth of SWCNTs2023
- Author(s)
  Q. Hu, Y. Feng, K. Mori, R. Yoshikawa, R. Kaneda, A. F. Parera, R. Xiang, W. Wenseleers, S. Cambre, S. Chiashi, K. Otsuka, S. Maruyama
- Organizer
  13th A3 Symposium on Emerging Materials: Nanomaterials for Electronics, Energy, and Environment
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] One-dimensional van der Waals heterostructures as the active layer material of solar cells2023
- Author(s)
  Bo-wen Zhang, Xi-yang Qiu, Shu-hui Wang, Yong-jia Zheng, Esko I. Kauppinen, Shohei Chiashi, Yutaka Matsuo, Rong Xiang, Keigo Otsuka, Shigeo Maruyama
- Organizer
  The 23rd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21KK0087
[Presentation] Oxidation of NbS2 based van der Waals heterostructure in the atmosphere2023
- Author(s)
  Wanyu Dai, Yongjia Zheng, Akihito Kumamoto, Esko I. Kauppinen, Keigo Otsuka, Yuichi Ikuhara, Rong Xiang, Shigeo Maruyama
- Organizer
  The 65th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] 無触媒CVDによるグラフェン・h-BN構造制御合成2023
- Author(s)
  西村　帆貴，日下部　健太，金田　遼太郎，大塚　慶吾，井ノ上　泰輝，丸山　茂夫，千足　昇平
- Organizer
  第60回日本伝熱シンポジウム
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Super Mackay alloy cluster Fe42Co13 for growth of single-walled carbon nanotubes2023
- Author(s)
  S. Maruyama, K. Mori, R. Yoshikawa, Q. Hu, Y. Feng, R. Xiang, K. Otsuka
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Cobalt-Iron bi-metallic catalyst for chirality-specific growth of single-walled carbon nanotube2023
- Author(s)
  Q. Hu, Y. Feng, K. Mori, K. Otsuka, R. Xiang, S. Maruyama
- Organizer
  E-MRS 2023 Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Investigation of field-effect transistors based on individual and aligned carbon/boron nitride nanotubes2023
- Author(s)
  K. Otsuka, T. Sugihara, S. Matsushita, W. Jia, K. Kittipaisalsilpa, M. Lee, R. Xiang, S. Chiashi, S. Maruyama
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Coaxial boron nitride wrapping as interfacial dielectric layers to reduce trap density in carbon nanotube transistors2023
- Author(s)
  K. Otsuka, T. Sugihara, T. Inoue, W. Jia, R. Xiang, S. Chiashi, S. Maruyama
- Organizer
  The 65th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Molecular Simulations of Icosahedral Alloy Nanoparticles with Extraordinary Thermal Stability2023
- Author(s)
  R. Yoshikawa, K. Mori, D. Asa, I. Kohata, K. Hisama, K. Otsuka, S. Maruyama
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] 個々の半導体および金属カーボンナノチューブ成長におけるエタノールの解離吸着反応2023
- Author(s)
  大塚慶吾、堀澤駿太、丸山茂夫
- Organizer
  第84回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] One-dimensional van der Waals heterostructures as the active layer material of solar cells2023
- Author(s)
  B. Zhang, X. Qiu, S. Wang, Y. Zheng, E. Kauppinen, S. Chiashi, Y. Matsuo, R. Xiang, K. Otsuka, S. Maruyama
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Low-temperature Synthesis of Linear Carbon Chain inside Single-walled Carbon Nanotubes2023
- Author(s)
  Bowen Zhang, Xiyang Qiu, Qingmei Hu, Ya Feng, Aina Fito Parera, Yongjia Zheng, Yu-Huang Wang, Yutaka Matsuo, Shohei Chiashi, Rong Xiang, Sofie Cambre, Wim Wenseleers, Slava Rotkin, Keigo Otsuka, Shigeo Maruyama
- Organizer
  The 66th Fullerenes-Nanotubes-Graphene General Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21KK0087
[Presentation] Sealing of single-walled carbon nanotubes encapsulating water molecues2023
- Author(s)
  R. Kaneda, K. Kozaki, S. Sato, K. Sakakibara, K. Otsuka, S. Maruyama, S. Chiashi
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Low-temperature synthesis of Carbyne inside single-walled carbon nanotubes2023
- Author(s)
  B. Zhang, X. Qiu, Y. Feng, Q. Hu, T. Tanaka, H. Kataura, S. Chiashi, K. Otsuka, R. Xiang, S. Maruyama
- Organizer
  The 65th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Coaxial boron nitride wrapping as interfacial dielectric layers to reduce trap density in carbon nanotube transistors2023
- Author(s)
  K. Otsuka, T. Sugihara, T. Inoue, W. Jia, R. Xiang, S. Chiashi, S. Maruyama
- Organizer
  第65回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Fabrication of field-effect transistors with as-grown clean CNT channels on quartz substrates2023
- Author(s)
  W. Jia, T. Sugihara, G. Zhu, Y. Feng, K. Otsuka, M. Lee, R. Xiang, S. Maruyama, S. Chiashi
- Organizer
  第71回応用物理学春季学術講演会
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] 強い超音波分散処理や界面活性剤を用いないCNTの分散と薄膜の作製2023
- Author(s)
  西田　征矢，寺内　一記，嶋田　優作，大塚　慶吾，丸山　茂夫，千足　昇平
- Organizer
  第60回日本伝熱シンポジウム
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Bond-order-based machine learning interatomic potential for carbon allotropes2023
- Author(s)
  I. Kohata, R. Yoshikawa, K. Hisama, K. Otsuka, S. Maruyama
- Organizer
  The 65th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Investigation of field-effect transistors based on individual and aligned carbon/boron nitride nanotubes2023
- Author(s)
  K. Otsuka, T. Sugihara, S. Matsushita, W. Jia, K. Kittipaisalsilpa, M. Lee, R. Xiang, S. Chiashi, S. Maruyama
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Fabrication of carbon nanotube thin films on bilayer liquid interfaces with differenet dispersibility2023
- Author(s)
  Y. Shimada, K. Terauchi, S. Nishida, K. Otsuka, S. Maruyama, S. Chiashi
- Organizer
  The 23nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials (NT23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H05443
[Presentation] Universal map of kinetic selectivity in catalytic growth of single-walled carbon nanotubes from carbon sources and etching agents2022
- Author(s)
  Keigo Otsuka, Ryoya Ishimaru, Akari Kobayashi, Taiki Inoue, Rong Xiang, Shohei Chiashi, Yuichiro K. Kato, Shigeo Maruyama
- Organizer
  12th A3 Symposium on Emerging Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Improved nanotube-metal contacts and switching behaviors in single SWCNT@BNNT transistors2022
- Author(s)
  Taiki Sugihara, Keigo Otsuka, Weijie Jia, Takanobu Saito, Satoru Matsushita, Kasidis Kittipaisalsilpa, Minhyeok Lee, Shohei Chiashi, Shigeo Maruyama
- Organizer
  The 64th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Nonequivalent incorporation of ethanol into catalyst nanoparticles for semiconducting and metallic carbon nanotubes2022
- Author(s)
  Shunta Horisawa, Keigo Otsuka, Shigeo Mauryama
- Organizer
  The 64th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Universal map of kinetic selectivity in catalytic growth of carbon nanotubes from carbon feedstocks and etching agents2022
- Author(s)
  Keigo Otsuka, Ryoya Ishimaru, Akari Kobayashi, Taiki Inoue, Rong Xiang, Shohei Chiashi, Yuichiro K. Kato, Shigeo Maruyama
- Organizer
  The 22nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Effects of additionally supplied carbon or oxidants on speed, incubation, and lifetime of carbon nanotube growth from ethanol2022
- Author(s)
  Keigo Otsuka, Ryoya Ishimaru, Taiki Inoue, Shohei Chiashi, Shigeo Maruyama
- Organizer
  The 22nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Comparison of hexagonal boron nitride and silicon dioxide as gate dielectrics in carbon nanotube transistors2022
- Author(s)
  Keigo Otsuka, Taiki Sugihara, Weijie Jia, Takashi Taniguchi, Kenji Watanabe, Shigeo Maruyama
- Organizer
  The 64th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Carbon nanotube field-effect transistors with two-dimensional boron nitride as interface layers2022
- Author(s)
  Weijie Jia, Taiki Sugihara, Guangyao Zhu, Ya Feng, Keigo Otsuka, Minhyeok Lee, Rong Xiang, Shigeo Maruyama
- Organizer
  The 64th Fullerenes-Nanotubes-Graphene General Symposium
- Data Source
  KAKENHI-PROJECT-23K22682
[Presentation] Fabrication of SWCNT-BNNT field-effect transistors and evaluation of contact resistance2021
- Author(s)
  杉原太希、松下覚、佐藤周、大塚慶吾、井ノ上泰輝、千足昇平、丸山茂夫
- Organizer
  第61回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Fabrication and characterization of horizontal arrays of SWCNT-BNNT heteronanotubes2021
- Author(s)
  松下覚、杉原太希、朱光耀、大塚慶吾、井ノ上泰輝、千足昇平、丸山茂夫
- Organizer
  第62回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] The effect of oxidants on SWCNT growth analyzed by isotope labeling technique2021
- Author(s)
  石丸亮哉、大塚慶吾、井ノ上泰輝、千足昇平、丸山茂夫
- Organizer
  第61回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Gas-dependent kinetic selectivity in catalytic chemical vapor deposition of single-walled carbon nanotubes2021
- Author(s)
  大塚慶吾、石丸亮哉、井ノ上泰輝、項栄、千足昇平、加藤雄一郎、丸山茂夫
- Organizer
  第62回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Deterministic dry transfer of carbon nanotubes into photonic devices using single-crystalline anthracene2021
- Author(s)
  K. Otsuka, N. Fang, D. Yamashita, T. Taniguchi, K. Watanabe, Y. K. Kato
- Organizer
  International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials (NT21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Deterministic transfer of optical-quality carbon nanotubes for atomically defined technology2021
- Author(s)
  大塚慶吾、方楠、山下大喜、谷口尚、渡邊賢司、加藤雄一郎
- Organizer
  第61回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] CO2-driven tuning of growth rate, lifetime, and incubation of horizontal arrays of carbon nanotubes2021
- Author(s)
  石丸亮哉、大塚慶吾、井ノ上泰輝、千足昇平、丸山茂夫
- Organizer
  第62回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Waveguide coupled cavity-enhanced light emission from individual carbon nanotubes2020
- Author(s)
  D. Yamashita, H. Machiya, K. Otsuka, A. Ishii, Y. K. Kato
- Organizer
  第60回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Growth mechanism and handedness relation of one-dimensional van der Waals heterostructures2020
- Author(s)
  Y. Zheng, A. Kumamoto, R. Xiang, K. Hisama, K. Otsuka, Y. Sato, T. Inoue, S. Chiashi, D. Tang, Q. Zhang, A. Anisimov, E. Kauppinen, K. Suenaga, Y. Ikuhara, S. Maruyama
- Organizer
  第60回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Analysis of acetylene-induced growth acceleration of single-walled carbon nanotubes by isotope labeling technique2020
- Author(s)
  A. Kobayashi, R. Ishimaru, K. Otsuka, T. Inoue, S. Chiashi, S. Maruyama
- Organizer
  第60回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Analytical Estimation of Quantum Emitters Formed in Air-Suspended Single-Walled Carbon Nanotubes2020
- Author(s)
  D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y.H. Wang, Y. K. Kato
- Organizer
  第60回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Directional exciton diffusion in pentacene-decorated carbon nanotubes2020
- Author(s)
  Z. Li, K. Otsuka, D. Yamashita, Y. K. Kato
- Organizer
  第59回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Anthracene-assisted deterministic transfer of optical-quality carbon nanotubes2020
- Author(s)
  K. Otsuka, Y. K. Kato
- Organizer
  第59回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Waveguide coupled cavity-enhanced light emission from individual carbon nanotubes2020
- Author(s)
  D. Yamashita, H. Machiya, K. Otsuka, A. Ishii, Y. K. Kato
- Organizer
  第68回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Hexagonal boron nitride as an ideal substrate for carbon nanotube photonic2020
- Author(s)
  N. Fang, K. Otsuka, A. shii, T. Taniguchi, K. Watanabe, K. Nagashio, Y. K. Kato
- Organizer
  第81回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Diameter-dependent Photoluminescence Properties in Color Centers of Air-Suspended Single-Walled Carbon Nanotubes2020
- Author(s)
  D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y.H. Wang, Y. K. Kato
- Organizer
  第59回フラーレン・ナノチューブ・グラフェン総合シンポジウム
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Formation of Quantum Emitters in Air-Suspended Carbon Nanotubes Using Vapor-Phase Reaction2020
- Author(s)
  D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y.H. Wang, Y. K. Kato
- Organizer
  第81回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-20K15137
[Presentation] Directional exciton diffusion in pentacene-decorated carbon nanotubes2020
- Author(s)
  Z. Li, K. Otsuka, D. Yamashita, Y. K. Kato
- Organizer
  第81回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-20K15137

1. 丸山茂夫 (90209700)

# of Collaborated Projects: 3 results

# of Collaborated Products: 26 results
2. 松尾豊 (00334243)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
3. 千足昇平 (50434022)

# of Collaborated Projects: 2 results

# of Collaborated Products: 16 results
4. 林昊升 (70910488)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 末永和知 (00357253)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. FENG YA

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
7. 山下大喜

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 井ノ上泰輝

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
9. Fang Nan

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
10. 小澤大知

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
11. 項栄

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Otsuka Keigo 大塚 慶吾

Research Projects

Research Products

Co-Researchers

Photovoltaic devices made of one-dimensional heterostructures

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一次元ヘテロ構造の合成制御と光学物性

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カーボンナノチューブの成長素過程定式化による構造制御の戦略変革Principal Investigator

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Large-area Flexible Organic Solar Cell Using Vapor-grown Carbon Nanotubes Films

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Measurement of heat transfer at a single interface of single-walled carbon nanotubesPrincipal Investigator

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[Journal Article] Chirality engineering for carbon nanotube electronics2024

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DOI

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[Journal Article] Evaluating the Efficiency of Boron Nitride Coating in Single-Walled Carbon-Nanotube-Based 1D Heterostructure Films by Optical Spectroscopy2024

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DOI

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[Journal Article] Coaxial boron nitride nanotubes as interfacial dielectric layers to lower interface trap density in carbon nanotube transistors2023

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[Journal Article] Horizontal Arrays of One-Dimensional van der Waals Heterostructures as Transistor Channels2023

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[Journal Article] Universal Map of Gas-Dependent Kinetic Selectivity in Carbon Nanotube Growth2022

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[Journal Article] Carbon Dioxide Triggers Carbon Nanotube Nucleation: Isotope Labeling Study on the Growth Process of Individual Nanotubes2022

Author(s)

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DOI

Data Source

[Journal Article] Waveguide coupled cavity-enhanced light emission from individual carbon nanotubes2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Deterministic transfer of optical-quality carbon nanotubes for atomically defined technology2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quantum Emission Assisted by Energy Landscape Modification in Pentacene-Decorated Carbon Nanotubes2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hexagonal Boron Nitride As an Ideal Substrate for Carbon Nanotube Photonics2020

Otsuka Keigo 大塚慶吾