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KOZAWA DAICHI  小澤 大知

… Alternative Names

Kozawa Daichi  小澤 大知

小澤 大知  コザワ ダイチ

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Researcher Number 30756060
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-0629-5589
Affiliation (Current) 2025: 国立研究開発法人物質・材料研究機構, ナノアーキテクトニクス材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help 2023 – 2024: 国立研究開発法人物質・材料研究機構, ナノアーキテクトニクス材料研究センター, 主任研究員
2022: 国立研究開発法人理化学研究所, 光量子工学研究センター, 研究員
2020 – 2021: 国立研究開発法人理化学研究所, 光量子工学研究センター, 基礎科学特別研究員
2016: 名古屋大学, 工学(系)研究科(研究院), 特別研究員(PD)
Review Section/Research Field
Principal Investigator
Basic Section 28010:Nanometer-scale chemistry-related / Transformative Research Areas, Section (II) / Nanostructural physics
Keywords
Principal Investigator
量子光源 / 励起子 / 光物性 / 化学修飾 / 光化学反応 / 発光中心 / カーボンナノチューブ / 光中心 / ナノ物質 / ナノ構造化学 … More / 量子通信 / 格子欠陥 / 表面修飾 / 単一分子反応 / ナノカーボン / 単一光子発生 / 単一分子分光 / 局所化学反応 / 量子欠陥 / 単一分子 / 化学工学 / ナノテクノロジー / 発光顕微分光 / 量子 / 欠陥制御 / 低次元ナノ物質 / 化学反応 / 単一光子源 / 再生可能エネルギー / マイクロ・ナノデバイス / 高効率太陽光発電材料 / オプトエレクトロニクス / ナノ材料 / ヘテロ構造 / 光検出器 / 原子層 / 二次元材料 Less
  • Research Projects

    (4 results)
  • Research Products

    (33 results)
  • Co-Researchers

    (5 People)
  •  単一分子誘起2.5次元物質の創製と光物性・機能開拓Principal Investigator

    • Principal Investigator
      小澤 大知
    • Project Period (FY)
      2024 – 2025
    • Research Category
      Grant-in-Aid for Transformative Research Areas (A)
    • Review Section
      Transformative Research Areas, Section (II)
    • Research Institution
      National Institute for Materials Science
  •  単一量子欠陥の決定論的形成とその光物性解明Principal Investigator

    • Principal Investigator
      小澤 大知
    • Project Period (FY)
      2022 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 28010:Nanometer-scale chemistry-related
    • Research Institution
      National Institute for Materials Science
      Institute of Physical and Chemical Research
  •  Precise Control of Color Center Formation in a Single Carbon Nanotube Using MicrospectroscopyPrincipal Investigator

    • Principal Investigator
      Kozawa Daichi
    • Project Period (FY)
      2020 – 2021
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 28010:Nanometer-scale chemistry-related
    • Research Institution
      Institute of Physical and Chemical Research
  •  二次元極限材料における高エネルギー励起キャリアの光電変換機能探索Principal Investigator

    • Principal Investigator
      小澤 大知
    • Project Period (FY)
      2016
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nanostructural physics
    • Research Institution
      Nagoya University

All 2024 2023 2022 2021 2020 2016

All Journal Article Presentation

  • [Journal Article] Photo-thermoelectric effect-driven detection of optical communication light in graphene/hBN heterostructures2024

    • Author(s)
      Iwasaki Takuya、Sato Yodai、Ogo Makoto、Oh Byunghun、Kozawa Daichi、Kitaura Ryo、Watanabe Kenji、Taniguchi Takashi、Moriyama Satoshi、Fujikata Junichi
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 63 Issue: 3 Pages: 030903-030903

    • DOI

      10.35848/1347-4065/ad2bd6

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-22H05458, KAKENHI-PROJECT-23H05469, KAKENHI-PROJECT-23H00274, KAKENHI-PROJECT-23K20962, KAKENHI-PROJECT-23K21066, KAKENHI-PROJECT-23K22825, KAKENHI-PROJECT-23K23161
  • [Journal Article] Diameter-Selective Sorting of Single-Walled Carbon Nanotubes Using π-Molecular Tweezers for Energy Materials2023

    • Author(s)
      El-Refaey Ahmed、Kozawa Daichi、Kameda Tomoshi、Kato Yuichiro K.、Ito Yoshihiro、Kawamoto Masuki
    • Journal Title

      ACS Applied Nano Materials

      Volume: 6 Issue: 3 Pages: 1919-1926

    • DOI

      10.1021/acsanm.2c04877

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K04682, KAKENHI-PROJECT-23K23161, KAKENHI-PROJECT-20H02558
  • [Journal Article] Discretized hexagonal boron nitride quantum emitters and their chemical interconversion2023

    • Author(s)
      Kozawa Daichi、Li Sylvia Xin、Ichihara Takeo、Rajan Ananth Govind、Gong Xun、He Guangwei、Koman Volodymyr B、Zeng Yuwen、Kuehne Matthias、Silmore Kevin S、Parviz Dorsa、Liu Pingwei、Liu Albert Tianxiang、Faucher Samuel、Yuan Zhe、Warner Jamie、Blankschtein Daniel、Strano Michael S
    • Journal Title

      Nanotechnology

      Volume: 34 Issue: 11 Pages: 115702-115702

    • DOI

      10.1088/1361-6528/aca984

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Journal Article] Prolonged photostability in hexagonal boron nitride quantum emitters2023

    • Author(s)
      Li Sylvia Xin、Ichihara Takeo、Park Hyoju、He Guangwei、Kozawa Daichi、Wen Yi、Koman Volodymyr B.、Zeng Yuwen、Kuehne Matthias、Yuan Zhe、Faucher Samuel、Warner Jamie H.、Strano Michael S.
    • Journal Title

      Communications Materials

      Volume: 4 Issue: 1 Pages: 1-11

    • DOI

      10.1038/s43246-023-00345-8

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Journal Article] Formation of Organic Color Centers in Air-Suspended Carbon Nanotubes Using Vapor-Phase Reaction2022

    • Author(s)
      Daichi Kozawa, Xiaojian Wu, Akihiro Ishii, Jacob Fortner, Keigo Otsuka, Rong Xiang, Taiki Inoue, Shigeo Maruyama, YuHuang Wang, and Yuichiro K. Kato
    • Journal Title

      Nature Communications

      Volume: - Issue: 1 Pages: 2814-2814

    • DOI

      10.1038/s41467-022-30508-z

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K15112, KAKENHI-PROJECT-20H00220, KAKENHI-PROJECT-20KK0114, 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] Evidence for fast interlayer energy transfer in MoSe2/WS2 heterostructures2016

    • Author(s)
      D. Kozawa, A. Carvalho, I. Verzhbitskiy, F. Giustiniano, Y. Miyauchi, S. Mouri, A. H. Castro Neto, K. Matsuda, and G. Eda
    • Journal Title

      Nano letters

      Volume: 16 Issue: 7 Pages: 4087-4093

    • DOI

      10.1021/acs.nanolett.6b00801

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PUBLICLY-16H00910, KAKENHI-PUBLICLY-16H00911, KAKENHI-PROJECT-15H05408, KAKENHI-PROJECT-15J07423, KAKENHI-PROJECT-16K17485, KAKENHI-PROJECT-15K13337
  • [Journal Article] Effects of electrolyte gating on photoluminescence spectra of large-area WSe2 monolayer films2016

    • Author(s)
      Keiichiro Matsuki, Jiang Pu, Daichi Kozawa, Kazunari Matsuda, Lain-Jong Li, Taishi Takenobu
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 55 Issue: 6S1 Pages: 06GB02-06GB02

    • DOI

      10.7567/jjap.55.06gb02

    • NAID

      210000146605

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-26102012, KAKENHI-PROJECT-15J07423, KAKENHI-PROJECT-16K17485, KAKENHI-INTERNATIONAL-15K21721, KAKENHI-PROJECT-25000003
  • [Journal Article] Exciton-plasmon coupling and electromagnetically induced transparency in monolayer semiconductor hybridized with Ag nanoparticels2016

    • Author(s)
      W. Zhao, S. Wang, B. Liu, I. Verzhbitskiy, S. Li, F. Giustiano, D. Kozawa, K. P. Loh, K. Matsuda, K. Okamoto, R. F. Oulton, and G. Eda
    • Journal Title

      Adv. Mat.

      Volume: 28 Issue: 14 Pages: 2709-2715

    • DOI

      10.1002/adma.201504478

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13500, KAKENHI-PUBLICLY-26107522, KAKENHI-PROJECT-26289109, KAKENHI-PROJECT-15J07423, KAKENHI-PROJECT-16K17485
  • [Journal Article] Photodetection in p-n junctions formed by electrolyte-gated transistors of two-dimensional crystals2016

    • Author(s)
      Daichi Kozawa, Jiang Pu, Ryo Shimizu, Shota Kimura, Ming-Hui Chiu, Keiichiro Matsuki, Yoshifumi Wada, Tomo Sakanoue, Yoshihiro Iwasa, Lain-Jong Li, Taishi Takenobu
    • Journal Title

      Appl. Phys. Lett.

      Volume: 109 Issue: 20 Pages: 201107-201107

    • DOI

      10.1063/1.4967173

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-26102012, KAKENHI-PROJECT-15J07423, KAKENHI-PROJECT-14J07485, KAKENHI-PROJECT-26706012, KAKENHI-PROJECT-16K17485, KAKENHI-PROJECT-16K13618, KAKENHI-INTERNATIONAL-15K21721, KAKENHI-PROJECT-25000003
  • [Presentation] Emerging second-order nonlinearity in two-dimensional material functionalized silica microcavities2024

    • Author(s)
      S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
    • Organizer
      March Meeting of the American Physical Society
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Second- and third-order nonlinear photonics in ultrahigh-Q microcavities2024

    • Author(s)
      S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
    • Organizer
      理研シンポジウム:第11回「光量子工学研究」-次世代の光量子工学に向けて-
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Single photon emission characterization of (10, 0) SWCNTs functionalized by cyclopentene dione2024

    • Author(s)
      M. Wang, D. Kozawa, J. Fortner, Y. H. Wang, Y. K. Kato
    • Organizer
      理研シンポジウム:第11回「光量子工学研究」-次世代の光量子工学に向けて-
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Elucidating Upconversion Photoluminescence Mechanisms in Air-Suspended Single-Walled Carbon Nanotubes2023

    • Author(s)
      D. Kozawa, Y. K. Kato
    • Organizer
      JSAP-Optica Joint Symposia, the 84th JSAP Autumn Meeting 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Elucidating Upconversion Photoluminescence Mechanisms in Air-Suspended Single-Walled Carbon Nanotubes2023

    • Author(s)
      D. Kozawa, Y. K. Kato
    • Organizer
      2023 1st Nanocarbon Study Group
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction2023

    • Author(s)
      D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. Wang, Y K. Kato
    • Organizer
      243rd Electrochemical Society Meeting
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] 低次元ナノ物質の励起子光物性研究2023

    • Author(s)
      小澤大知
    • Organizer
      日本物理学会2023年春季大会(物性)
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction2023

    • 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
      RAPAC
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Formation of Organic Color Centers in Air-Suspended Carbon Nanotubes Using Vapor-Phase Reaction2022

    • 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
      8th Workshop on Nanotube Optics and Nanospectroscopy (WONTON 2022)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Formation of Organic Color Centers in Air-Suspended Carbon Nanotubes Using Vapor-Phase Reaction2022

    • Author(s)
      Daichi Kozawa, Xiaojian Wu, Akihiro Ishii, Jacob Fortner, Keigo Otsuka, Rong Xiang, Taiki Inoue, Shigeo Maruyama, YuHuang Wang, Yuichiro K. Kato
    • Organizer
      理研シンポジウム:第9回「光量子工学研究」
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction2022

    • 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
      JSAP-Optica Joint Symposia, the 83rd JSAP Autumn Meeting 2022
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K23161
  • [Presentation] Creation of Organic Color Centers in Air-Suspended Carbon Nanotubes Using Vapor-Phase Reaction2021

    • Author(s)
      D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. Wang, 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-20K15112
  • [Presentation] Analytical Estimation of Color Center Density Formed in Air-Suspended Single-Walled Carbon Nanotubes2021

    • Author(s)
      [1]D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. H. Wang, Y. K. Kato
    • Organizer
      日本物理学会第76回年次大会
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Diameter-dependent Photoluminescence Properties in Color Centers of Air-Suspended Single-Walled Carbon Nanotubes2021

    • Author(s)
      [1]D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. H. Wang, Y. K. Kato
    • Organizer
      March Meeting of the American Physical Society
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Analytical Estimation of Quantum Emitters Formed in Air-Suspended Single-Walled Carbon Nanotubes2021

    • Author(s)
      [2]D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. H. Wang, Y. K. Kato
    • Organizer
      The 60th Fullerenes-Nanotubes-Graphene General Symposium
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Diameter-dependent photoluminescence properties in color centers of air-suspended single-walled carbon nanotubes2020

    • Author(s)
      [5]D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. H. Wang, Y. K. Kato
    • Organizer
      日本物理学会2020年秋季大会(物性)
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Formation of quantum emitters in air-suspended carbon nanotubes using vapor-phase reaction2020

    • Author(s)
      [4]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-20K15112
  • [Presentation] Diameter-dependent photoluminescence properties in color centers of air-suspended single-walled carbon nanotubes2020

    • Author(s)
      [3]D. Kozawa, X. Wu, A. Ishii, J. Fortner, K. Otsuka, R. Xiang, T. Inoue, S. Maruyama, Y. H. Wang, Y. K. Kato
    • Organizer
      The 59th Fullerenes-Nanotubes-Graphene General Symposium
    • Data Source
      KAKENHI-PROJECT-20K15112
  • [Presentation] Observation of Switchable Photoresponse of a Monolayer WSe2-MoS2 Lateral Heterostructure Via Photocurrent Spectral Atomic Force Microscopic Imaging2016

    • Author(s)
      D. Kozawa, Y. Son, M-Y Li, C-C Cheng, K-H Wei, P. Liu, Q.H. Wang, L-J Li, M.S. Strano
    • Organizer
      MRS Fall 2016
    • Place of Presentation
      Hynes Convention Center, Boston, MA, USA
    • Year and Date
      2016-11-30
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17485
  • [Presentation] MoS2-Passivated Bilayer Phosphorene Phototransistors2016

    • Author(s)
      D. Kozawa, Y. Son, A.T. Liu, V. Koman, Q.H. Wang, M.S. Strano
    • Organizer
      MRS Fall 2016
    • Place of Presentation
      Hynes Convention Center, Boston, MA, USA
    • Year and Date
      2016-11-28
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17485
  • [Presentation] Observation of Switchable Photoresponse of a Monolayer WSe2-MoS2 Lateral Heterostructure Via Photocurrent Spectral Atomic Force Microscopic Imaging2016

    • Author(s)
      D. Kozawa, Y. Son, M-Y Li, C-C Cheng, K-H Wei, P. Liu, Q.H. Wang, L-J Li, M.S. Strano
    • Organizer
      2016 AIChE Annual Meeting
    • Place of Presentation
      Hilton San Francisco Union Square, San Francisco, CA, USA
    • Year and Date
      2016-11-14
    • Data Source
      KAKENHI-PROJECT-16K17485
  • [Presentation] Observation of switchable photoresponse of a monolayer WSe2-MoS2 lateral heterostructure via photocurrent spectral atomic force microscopic imaging2016

    • Author(s)
      D. Kozawa, Y. Son, M-Y Li, C-C Cheng, K-H Wei, P. Liu, Q.H. Wang, L-J Li, M.S. Strano
    • Organizer
      ACS National Meeting
    • Place of Presentation
      Pennsylvania Convention Center, Philadelphia, PA, USA
    • Year and Date
      2016-08-24
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17485
  • [Presentation] MoS2-Passivated Bilayer Phosphorene Phototransistors2016

    • Author(s)
      D. Kozawa, Y. Son, A.T. Liu, V. Koman, Q.H. Wang, M.S. Strano
    • Organizer
      2016 AIChE Annual Meeting
    • Place of Presentation
      Hilton San Francisco Union Square, San Francisco, CA, USA
    • Year and Date
      2016-11-14
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17485
  • 1.  KAWAMOTO Masuki
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 2.  KITAURA Ryo
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 3.  PU Jiang
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results
  • 4.  松田 一成
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results
  • 5.  竹延 大志
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results

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