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Kato Kosaku  加藤 康作

Researcher Number 40751087
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-9977-7439
Affiliation (Current) 2025: 大阪大学, レーザー科学研究所, 特任研究員
Affiliation (based on the past Project Information) *help 2022: 岡山大学, 自然科学研究科, 技術職員
2020 – 2021: 豊田工業大学, 工学(系)研究科(研究院), ポストドクトラル研究員
2017 – 2019: 大阪大学, レーザー科学研究所, 特任研究員
2016: 大阪大学, レーザーエネルギー学研究センター, 特任研究員
Review Section/Research Field
Principal Investigator
Basic Section 36020:Energy-related chemistry / Optical engineering, Photon science
Except Principal Investigator
Optical engineering, Photon science
Keywords
Principal Investigator
磁場効果 / 磁場 / 過渡吸収分光 / 過渡吸収 / キャリアダイナミクス / 光触媒 / プリンテッドエレクトロニクス / 非線形光学 / テラヘルツ発生 / 分割リング共振器 … More / 金属ナノ構造 / メタマテリアル / プラズモン共鳴 / 金属インク / テラヘルツ波 … More
Except Principal Investigator
テラヘルツ光 / 有効屈折率 / 光学共鳴モード / 誘電体多層膜 / 透過スペクトル / テラヘルツ / スリットアレイ / 光学共鳴 / テラヘルツ波 / 人工誘電体 / メタルスリットアレイ / メタマテリアル Less
  • Research Projects

    (3 results)
  • Research Products

    (33 results)
  • Co-Researchers

    (7 People)
  •  Observation of carrier dynamics in powder photocatalysts under magnetic field and its applicationPrincipal Investigator

    • Principal Investigator
      KATO Kosaku
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 36020:Energy-related chemistry
    • Research Institution
      Okayama University
      Toyota Technological Institute
  •  Terahertz emitter combining microstructures and nanostructures made of metal inkPrincipal Investigator

    • Principal Investigator
      Kato Kosaku
    • Project Period (FY)
      2016 – 2017
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Optical engineering, Photon science
    • Research Institution
      Osaka University
  •  THz wave control using quasi-dielectric properties of the stacked metallic slit arrays

    • Principal Investigator
      Tokuda Yasunori
    • Project Period (FY)
      2016 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Optical engineering, Photon science
    • Research Institution
      Okayama Prefectural University

All 2023 2022 2021 2020 2019 2018 2017 2016

All Journal Article Presentation

  • [Journal Article] Particle Size-Dependent Trap States of Photoexcited Carriers in Anatase TiO2 Nanoparticles2023

    • Author(s)
      Shimpei Naniwa, Kosaku Kato, Akira Yamamoto, Hisao Yoshida, Akira Yamakata
    • Journal Title

      The Journal of Physical Chemistry C

      Volume: 127 Issue: 8 Pages: 4295-4302

    • DOI

      10.1021/acs.jpcc.2c08125

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K21108, KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-21H01975
  • [Journal Article] Role of Oxygen Vacancy in the Photocarrier Dynamics of WO3 Photocatalysts: The Case of Recombination Centers2022

    • Author(s)
      Kato Kosaku、Uemura Yohei、Asakura Kiyotaka、Yamakata Akira
    • Journal Title

      The Journal of Physical Chemistry C

      Volume: 126 Issue: 22 Pages: 9257-9263

    • DOI

      10.1021/acs.jpcc.2c01662

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PLANNED-20H05838
  • [Journal Article] Forward and backward electron transfer on Pt loaded TiO2 photocatalysts under visible-light illumination2021

    • Author(s)
      Naohiro Inoue, Kyohei Shiraki, Kosaku Kato, Shu Ashimura, Masaaki Yoshida, Akira Yamakata
    • Journal Title

      Applied Physics Letters

      Volume: 119 Issue: 13 Pages: 133905-133905

    • DOI

      10.1063/5.0065074

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-20K15386, KAKENHI-PROJECT-19H02820, KAKENHI-PROJECT-21H02050
  • [Journal Article] Core-Shell Double Doping of Zn and Ca on β-Ga2O3 Photocatalysts for Remarkable Water Splitting2021

    • Author(s)
      Yamakata Akira、Vequizo Junie Jhon M.、Ogawa Takafumi、Kato Kosaku、Tsuboi Shoya、Furutani Naohiro、Ohtsuka Masahiro、Muto Shunsuke、Kuwabara Akihide、Sakata Yoshihisa
    • Journal Title

      ACS Catalysis

      Volume: 11 Issue: 4 Pages: 1911-1919

    • DOI

      10.1021/acscatal.0c05104

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K05669, KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820, KAKENHI-PROJECT-21H04616
  • [Journal Article] Defect-Induced Acceleration and Deceleration of Photocarrier Recombination in SrTiO3 Powders2020

    • Author(s)
      Kosaku Kato and Akira Yamakata
    • Journal Title

      Journal of Physical Chemistry C

      Volume: 124 Issue: 20 Pages: 11057-11063

    • DOI

      10.1021/acs.jpcc.0c03369

    • Peer Reviewed
    • Data Source
      KAKENHI-PUBLICLY-17H05491, KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820
  • [Journal Article] Enhancement of photoelectrochemical activity of TiO2 electrode by particulate/dense double-layer formation2020

    • Author(s)
      Hayashi Naruki、Kato Kosaku、Yamakata Akira
    • Journal Title

      The Journal of Chemical Physics

      Volume: 152 Issue: 24 Pages: 241101-241101

    • DOI

      10.1063/5.0010121

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K15386, KAKENHI-PUBLICLY-19H04708, KAKENHI-PLANNED-20H05838, KAKENHI-PROJECT-19H02820
  • [Journal Article] Marked effects of lateral displacement on the optical transmission properties of stacked artificial dielectric systems composed of metallic sub-wavelength slit arrays2019

    • Author(s)
      Y. Tokuda, K. Sakaguchi, S. Watanabe, K. Kato, K. Takano, M. Nakajima, and K. Akiyama
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 58 Issue: 12 Pages: 122004-122004

    • DOI

      10.7567/1347-4065/ab5248

    • NAID

      210000157464

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Journal Article] Waveguide resonance mode response of stacked structures of metallic sub-wavelength slit arrays2018

    • Author(s)
      Y.Tokuda, K. Takano, K. Sakaguchi, K. Kato, M. Nakajima, and K. Akiyama
    • Journal Title

      Journal of Applied Physics

      Volume: 123 Issue: 18

    • DOI

      10.1063/1.5027301

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Journal Article] Insertion effects of natural dielectric between artificial dielectrics formed by metallic sub-wavelength slit arrays2018

    • Author(s)
      Y. Tokuda, K. Takano, K. Sakaguchi, K. Kato, M. Nakajima, K. Akiyama
    • Journal Title

      AIP Advances

      Volume: 8 Issue: 9 Pages: 95305-95305

    • DOI

      10.1063/1.5043149

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-16K04982, KAKENHI-PUBLICLY-18H04515, KAKENHI-PROJECT-16H03886
  • [Journal Article] レーザー研究2017

    • Author(s)
      加藤 康作, 高野 恵介, 田所 譲, ファン タン ニャ コア, 中嶋 誠
    • Journal Title

      金属インク上に自発的に形成される複雑なナノ構造からのテラヘルツ波放射

      Volume: 45 Pages: 153-157

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Journal Article] Terahertz wave generation from spontaneously formed nanostructures2016

    • Author(s)
      K. Kato, K. Takano, Y. Tadokoro, and M. Nakajima
    • Journal Title

      Opt. Lett

      Volume: 41 Issue: 9 Pages: 2125-2125

    • DOI

      10.1364/ol.41.002125

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-16H03886, KAKENHI-PROJECT-16H06025, KAKENHI-PROJECT-16K17530
  • [Journal Article] Terahertz pulse generation from metal nanoparticle ink2016

    • Author(s)
      Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, Thanh Nhat Khoa Phan, and Makoto Nakajima
    • Journal Title

      Proceedings of SPIE

      Volume: 10030 Pages: 1003005-1003005

    • DOI

      10.1117/12.2247769

    • Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] 光触媒の磁場中キャリアダイナミクスの過渡吸収分光計測2022

    • Author(s)
      加藤康作,山方啓
    • Organizer
      日本化学会第102春季年会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 光機能材料における励起ダイナミクスの時間分解分光2021

    • Author(s)
      加藤康作, 山方啓
    • Organizer
      第15回物性科学領域横断研究会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] Time-resolved spectroscopy of defect-induced effects on photocarrier dynamics in powder photocatalysts2021

    • Author(s)
      Kosaku Kato,Shoya Tsuboi,Akira Yamakata
    • Organizer
      Pacifichem2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 光触媒粉末のキャリアダイナミクスにおける欠陥の影響2021

    • Author(s)
      加藤康作,山方啓
    • Organizer
      2021年光化学討論会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 広帯域過渡吸収分光法による光励起ダイナミクスの観測2021

    • Author(s)
      加藤康作
    • Organizer
      第2回動的エキシトン若手セミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] WO3光触媒のキャリア再結合に対する酸素欠陥の影響2021

    • Author(s)
      加藤康作,上村洋平,朝倉清高,山方啓
    • Organizer
      第128回触媒討論会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 粉末欠陥による光励起キャリアの再結合促進効果と抑制効果2020

    • Author(s)
      加藤康作、姜君哲、酒多喜久、山方啓
    • Organizer
      第126回触媒討論会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 積層型メタルスリットアレイの透過特性に対する横ずれ効果2020

    • Author(s)
      渡辺将伍, 坂口浩一郎, 加藤康作, 佐藤希真, 平松大輝, 山下拓真, 中嶋誠, 徳田安紀
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] SrTiO3粉末の光励起キャリアダイナミクス2020

    • Author(s)
      加藤康作、姜君哲、酒多喜久、山方啓
    • Organizer
      第39回固体・表面光化学討論会
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 粉末欠陥における光励起キャリア緩和の初期過程2020

    • Author(s)
      加藤康作、山方啓
    • Organizer
      公益社団法人日本セラミックス協会第33回秋季シンポジウム
    • Data Source
      KAKENHI-PROJECT-20K15386
  • [Presentation] 2段メタルスリットアレイ構造における誘電体の挿入効果2019

    • Author(s)
      坂口浩一郎、加藤康作、高野恵介、 渡辺将伍、中嶋誠、徳田安紀
    • Organizer
      第66回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] メタルスリットアレイ積層構造への誘電体挿入効果2019

    • Author(s)
      徳田安紀,坂口浩一郎,渡辺将伍,加藤康作,中嶋誠
    • Organizer
      光・量子ビーム科学合同シンポジウム2019
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] 積層型メタルスリットアレイの光学共鳴モードのブルーシフト特性2018

    • Author(s)
      坂口浩一郎,高野恵介,加藤康作,亀井大夢,津野志奈,渡辺将伍,中嶋誠,徳田安紀
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] 積層型メタルスリットアレイのTHz透過特性の測定2018

    • Author(s)
      徳田安紀, 加藤康作, 坂口浩一郎, 高野恵介, 中嶋誠
    • Organizer
      光・量子ビーム科学合同シンポジウム2018
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] 積層型メタルスリットアレイの光学共鳴モードのTHz計測2018

    • Author(s)
      坂口 浩一郎,高野 恵介,加藤 康作,中嶋 誠,徳田 安紀
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-16K04982
  • [Presentation] Enhanced Terahertz Emission from Micro Split Ring Resonator Fabricated from Nanoparticles2017

    • Author(s)
      T. N. K. Phan, K. Kato, K. Takano, M. Yoshimura, H. Azechi, M. Nakajima
    • Organizer
      第5回豊田理研ワークショップ「スピン秩序の動的光制御」
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] Enhanced Terahertz Emission from Micro Structure Fabricated from Silver Nanoparticles2017

    • Author(s)
      Phan Thanh Nhat Khoa, Kosaku Kato, Keisuke Takano, Masashi Yoshimura, Hiroshi Azechi, Makoto Nakajima
    • Organizer
      The 6th Advanced Lasers and Photon Sources Conference (ALPS'17)
    • Place of Presentation
      パシフィコ横浜, 神奈川県横浜市
    • Year and Date
      2017-04-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] Enhanced Terahertz Emission from Micro Structure Fabricated from Silver Nanoparticles2017

    • Author(s)
      T. N. K. Phan, K. Kato, K. Takano, M. Yoshimura, H. Azechi, M. Nakajima
    • Organizer
      The 6th "Advanced Lasers and Photon Sources Conference" (ALPS'17)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] Terahertz Generation from Split Ring Resonator Array Fabricated from Silver Nano-Particles2017

    • Author(s)
      Phan Thanh Nhat Khoa, Kosaku Kato, Keisuke Takano, Masashi Yoshimura, Hiroshi Azechi, Makoto Nakajima
    • 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, 神奈川県横浜市
    • Year and Date
      2017-03-14
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] Terahertz radiation from nano-porous gold by irradiation of femtosecond laser pulse2016

    • Author(s)
      T. Kashihara, K. Kato, K. Takano, M. Akbari, T. Ishihara, M. Yoshimura, and M. Nakajima
    • Organizer
      The First A3 Metamaterials Forum
    • Place of Presentation
      東北大学片平キャンパス、宮城県仙台市
    • Year and Date
      2016-07-06
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17530
  • [Presentation] Terahertz pulse generation from metal nanoparticle ink2016

    • Author(s)
      Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, Thanh Nhat Khoa Phan, and Makoto Nakajima
    • Organizer
      SPIE/COS Photonics Asia 2016
    • Place of Presentation
      Beijing, China
    • Year and Date
      2016-10-12
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K17530
  • 1.  Tokuda Yasunori (80393502)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results
  • 2.  坂口 浩一郎 (10551822)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 9 results
  • 3.  高野 恵介 (70583102)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 7 results
  • 4.  山方 啓
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results
  • 5.  中嶋 誠
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 6.  酒多 喜久
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 7.  吉田 寿夫
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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