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Kuwahara Shota  桑原 彰太

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KUWAHARA Shota  桑原 彰太

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Researcher Number 10612658
Affiliation (Current) 2022: 東邦大学, 理学部, 准教授
Affiliation (based on the past Project Information) *help 2020 – 2022: 東邦大学, 理学部, 准教授
2019: 東邦大学, 理学部, 講師
2016 – 2017: 東邦大学, 理学部, 講師
2015: 中央大学, 理工学部, 助教
Review Section/Research Field
Principal Investigator
Analytical chemistry / Basic Section 28030:Nanomaterials-related
Except Principal Investigator
Analytical chemistry / Medium-sized Section 28:Nano/micro science and related fields
Keywords
Principal Investigator
色素増感太陽電池 / 光電変換効率 / 界面 / ダイナミクス / 時間分解分光測定 / ラマン散乱 / 過渡格子法 / 過渡吸収法 / 相界面のダイナミクス / カーボンナノチューブ … More / 温度応答性高分子 / 分離 / 顕微鏡観察 / 局所加熱 / 顕微分光 / 単層カーボンナノチューブ / 単一カイラリティ / メカニズム … More
Except Principal Investigator
色素増感太陽電池 / 位相差顕微鏡 / 屈折率 / 光励起キャリヤ / 顕微分光法 / 太陽電池 / 光触媒 / 過渡格子 / 時間分解分光法 / 増感型太陽電池 / オペランド計測 / ナノ材料 / 生体高分子 / 電子顕微鏡 / 時間分解 Less
  • Research Projects

    (4 results)
  • Research Products

    (41 results)
  • Co-Researchers

    (14 People)
  •  Ultra-fast operando measurement using pulse electron beam

    • Principal Investigator
      桑原 真人
    • Project Period (FY)
      2021 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 28:Nano/micro science and related fields
    • Research Institution
      Nagoya University
  •  Sorting mechanism investigation for chirality-selective separation of single-walled carbon nanotubes via spatial-restricted phase-transition of thermoresponsive polymerPrincipal Investigator

    • Principal Investigator
      KUWAHARA Shota
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 28030:Nanomaterials-related
    • Research Institution
      Toho University
  •  Three dimensional phase microscopy for photo-excited carriers

    • Principal Investigator
      Kayatama Kenji
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Analytical chemistry
    • Research Institution
      Chuo University
  •  Analytical method for the evaluation of absorbed dyes on energy conversion interface of dye-sensitized solar cells via time-resolved spectroscopic methodPrincipal Investigator

    • Principal Investigator
      KUWAHARA Shota
    • Project Period (FY)
      2015 – 2016
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Analytical chemistry
    • Research Institution
      Toho University
      Chuo University

All 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

  • [Journal Article] Improvement of type-I method for observing magnetic contrast using scanning electron microscope under tilting-deceleration condition2022

    • Author(s)
      H. Morishita, T. Kohashi, H. Yamamoto, M. Kuwahara
    • Journal Title

      Journal of Magnetism and Magnetic Materials

      Volume: 546 Pages: 168733-168733

    • DOI

      10.1016/j.jmmm.2021.168733

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Journal Article] Performance of a silicon-on-insulator direct electron detector in a low-voltage transmission electron microscope2021

    • Author(s)
      Ishida Takafumi、Shinozaki Akira、Kuwahara Makoto、Miyoshi Toshinobu、Saitoh Koh、Arai Yasuo
    • Journal Title

      Microscopy

      Volume: dfaa072 Pages: 321-325

    • DOI

      10.1093/jmicro/dfaa072

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H02737, KAKENHI-PROJECT-21H04637
  • [Journal Article] Observation of domain wall bimerons in chiral magnets2021

    • Author(s)
      Tomoki Nagase, Yeong-Gi So, Hayata Yasui, Takafumi Ishida, Hiroyuki K. Yoshida, Yukio Tanaka, Koh Saitoh, Nobuyuki Ikarashi, Yuki Kawaguchi, Makoto Kuwahara, and Masahiro Nagao
    • Journal Title

      Nature Communications

      Volume: 12 Pages: 3490-3490

    • DOI

      10.1038/s41467-021-23845-y

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K20899, KAKENHI-PROJECT-21H04637, KAKENHI-PROJECT-19H01832, KAKENHI-PROJECT-21H01035
  • [Journal Article] Photoinduced oxygen transport in cobalt double-perovskite crystal EuBaCo2O5.392021

    • Author(s)
      M. Hada, S. Ohmura, T. Ishikawa, M. Saigo, N. Keio, W. Yajima, T. Suzuki, D. Urushihara, K. Takubo, Y. Masaki, M. Kuwahara, K. Tsuruta, Y. Hayashi, J. Matsuo, T. Yokoya, K. Onda, F. Shimojo, M. Hase, S. Ishihara, T. Asaka, N. Abe, T. Arima, S. Koshihara, Y. Okimoto
    • Journal Title

      Applied Materials Today

      Volume: 24 Pages: 101167-101167

    • DOI

      10.1016/j.apmt.2021.101167

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-17H06375, KAKENHI-PUBLICLY-20H04657, KAKENHI-PUBLICLY-20H05106, KAKENHI-PROJECT-21H04637, KAKENHI-PROJECT-20H01832, KAKENHI-PROJECT-20J21226, KAKENHI-PROJECT-20K03853, KAKENHI-PROJECT-21K03427
  • [Journal Article] Role of constituents for the chirality isolation of single-walled carbon nanotubes by the reversible phase transition of a thermoresponsive polymer2020

    • Author(s)
      Eriko Shimura, Tomomi Tanaka, Yuki Kuwahara, Takeshi Saito, Toshiki Sugai and Shota Kuwahara
    • Journal Title

      RSC Advances

      Volume: 10 Pages: 24570-24570

    • DOI

      10.1039/d0ra04357e

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K05220
  • [Journal Article] Charge carrier kinetics in hematite with NiFeO x coating in aqueous solutions: Dependence on bias voltage2018

    • Author(s)
      Sohn Woon Yong、Thorne James E.、Zhang Yaohong、Kuwahara Shota、Shen Qing、Wang Dunwei、Katayama Kenji
    • Journal Title

      Journal of Photochemistry and Photobiology A: Chemistry

      Volume: 353 Pages: 344-348

    • DOI

      10.1016/j.jphotochem.2017.11.029

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K05549
  • [Journal Article] Anomalous enhancement by alkylamine of the dye-sensitized solar cells using TEMPO redox2017

    • Author(s)
      Nishimura Taisei、Sohn Woon Yong、Shen Qing、Kuwahara Shota、Katayama Kenji
    • Journal Title

      Journal of Photochemistry and Photobiology A: Chemistry

      Volume: 346 Pages: 281-286

    • DOI

      10.1016/j.jphotochem.2017.06.015

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K05549
  • [Journal Article] Investigation of photo-excited carrier dynamics in hematite and the effect of surface modifications by advanced transient grating technique2017

    • Author(s)
      Woon Yong Sohn, Shota Kuwahara, James E. Thorne, Dunwei Wang, Kenji Katayama
    • Journal Title

      ACS Omega

      Volume: 2 Pages: 1031-1035

    • DOI

      10.1021/acsomega.7b00021

    • Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879, KAKENHI-PROJECT-15K05549
  • [Journal Article] Specific Interaction between Dyes and Ions In Dye-sensitized Solar Cells Observed with Temporal Spectral Shift of Dyes2017

    • Author(s)
      Ryo Hosokawa, Shota Kuwahara, Kenji Katayama
    • Journal Title

      Journal of Photochemistry and Photobiology A: Chemistry

      Volume: 334 Pages: 107-112

    • DOI

      10.1016/j.jphotochem.2016.11.004

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K17879, KAKENHI-PROJECT-15K05549
  • [Journal Article] Distinction of electron pathways at titanium oxide / liquid interfaces in photocatalytic processes and co-catalyst effect2016

    • Author(s)
      Shota Kuwahara, Kenji Katayama
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 18 Pages: 25271-25276

    • DOI

      10.1039/c6cp04016k

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K17879, KAKENHI-PROJECT-15K05549
  • [Journal Article] Blocking Effect for Carrier Transfer to Triiodide in Alkyl-Functionalized Dyes in Dye-Sensitized Solar Cell2015

    • Author(s)
      K. Omata, S. Kuwahara, R. Hosokawa, T. Nishimura, S. Qing, T. Toyoda, K. Katayama
    • Journal Title

      Bulletin of the Chemical Society of Japan

      Volume: 88 Issue: 9 Pages: 1308-1311

    • DOI

      10.1246/bcsj.20150090

    • NAID

      130005099093

    • ISSN
      0009-2673, 1348-0634
    • Language
      English
    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K05549
  • [Journal Article] The cause for the low efficiency of dye sensitized solar cells with the combination of Ruthenium dyes and Cobalt redox2015

    • Author(s)
      K. Omata, S. Kuwahara, K. Katayama, Q. Shen, T. Toyoda, K. M. Lee, C. G. Wu
    • Journal Title

      Phys. Chem. Chem. Phys.

      Volume: 17 Pages: 10170-10175

    • DOI

      10.1039/c4cp05981f

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K05549
  • [Presentation] スピン偏極パルス TEM による時間分解測定の現状2022

    • Author(s)
      桑原真人
    • Organizer
      マイクロビームアナリシス技術部会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] NEA半導体フォトカソードを応用した時間分解電子顕微鏡の開発と応用2022

    • Author(s)
      桑原真人, 中蔵虎二郎, 古井雅人, 石田高史, 田中信夫, 齋藤晃
    • Organizer
      次世代真空エレクトロニクス研究会 第4回定例研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 高輝度 NEA ホトカソート?を用いたハ?ルス電子線 における空間電荷効果の評価2021

    • Author(s)
      森下英郎,大嶋 卓 ,桑原真人 ,揚村寿英 ,小 瀬 洋一
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] Time-resolved measurement in ultrafast transmission electron microscopy2021

    • Author(s)
      Makoto Kuwahara
    • Organizer
      International Conference on Materials and Systems for Sustainability 2021(ICMaSS2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 低加速透過電子顕微鏡による SOI ダイレクト電 子検出器の性能評価2021

    • Author(s)
      石田高史,篠崎 暉,桑原真人,三好敏喜,齋藤 晃,新井康夫
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 光陰極電子源を用いた100kVパルス透過電子顕微鏡による時間分解計2021

    • Author(s)
      桑原真人,水野りら,中蔵虎二郎,古井雅人,森下英郎,石田高史,長沖 功,揚村寿英
    • Organizer
      第82回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 高密度パルス電子線によるシングルショットイメージング2021

    • Author(s)
      中蔵虎二郎, 古井雅人, 吉田優也, 永田渉, 石田高史, 齋藤 晃, 桑原真人
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] Time-resolved transmission electron microscopy toward operando-measurement in geoscience2021

    • Author(s)
      桑原真人
    • Organizer
      日本地球惑星科学連合2021年大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] パルス透過電子顕微鏡を用いた時間分解計測2021

    • Author(s)
      桑原真人,水野りら,横井里奈,吉田優也,桒原彰太,石田高史,齋藤 晃,田中信夫
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 電子ベッセルビームをもちいたADF-STEMにおける焦点深度拡大2021

    • Author(s)
      石田高史,大塚真弘,桑原真人,齋藤 晃,川崎忠寛
    • Organizer
      第82回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] 周波数安定化パルスレーザーを用いた可逆反応の動的TEM観察2021

    • Author(s)
      古井雅人,中蔵虎二郎,吉田優也,永田渉,石田高史,齋藤 晃,桑原真人
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] フォトカソードを用いた透過電子顕微鏡における干渉性と時間分解計測への応用2021

    • Author(s)
      桑原真人,横井里奈,永田 渉,古井雅人,中蔵虎二郎,石田高史 ,齋藤 晃,田中信夫
    • Organizer
      日本顕微鏡学会第77回学術講演会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21H04637
  • [Presentation] One-pot extraction of semiconducting single-walled carbon nanotubes with a thermoresponsive polymer2019

    • Author(s)
      Shota Kuwahara, Eriko Shimura, Toshiki Sugai
    • Organizer
      20th International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K05220
  • [Presentation] Distinction between reactive and non-reactive trap states in photocatalytic reactions revealed by transient grating technique2017

    • Author(s)
      K. Katayama and S. Kuwahara
    • Organizer
      Photocatalysis 2 & SIEMME'23
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K05549
  • [Presentation] Investigation on a Mechanism of TiO2 Surface Treatment for Solid-state Dye Sensitized Solar Cells2016

    • Author(s)
      Miki Yamaguchi, Shota Kuwahara, Qing Shen, Toyoda Toyoda, Kenji Katayama
    • Organizer
      9th Asian Photochemistry Conference
    • Place of Presentation
      Singapore, Singapore
    • Year and Date
      2016-12-06
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] 過渡格子法を用いたTiO2薄膜上の光触媒反応及び助触媒効果の評価2016

    • Author(s)
      桑原彰太、片山建二
    • Organizer
      日本化学会第96春季年会
    • Place of Presentation
      同志社大学京田辺キャンパス, 京都
    • Year and Date
      2016-03-25
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Distinction between reactive and non-reactive trap states in photocatalytic reactions revealed by transient grating technique2016

    • Author(s)
      Shota Kuwahara, Kenji Katayama
    • Organizer
      2016年光化学討論会
    • Place of Presentation
      東京大学駒場第一キャンパス(東京都目黒区)
    • Year and Date
      2016-09-06
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] ニトロキシラジカル電解液を用いた色素増感太陽電池のキャリア移動過程の観測2016

    • Author(s)
      西村泰成、桑原彰太、沈青、豊田太郎、片山建二
    • Organizer
      日本化学会第96春季年会
    • Place of Presentation
      同志社大学京田辺キャンパス, 京都
    • Year and Date
      2016-03-25
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Investigation on Aging Effect for Ruthenium-dye Sensitized Solar Cells with TEMPO Redox Electrolyte2016

    • Author(s)
      Taisei Nisimura, Shota Kuwahara, Kenji Katayama
    • Organizer
      9th Asian Photochemistry Conference
    • Place of Presentation
      Singapore, Singapore
    • Year and Date
      2016-12-06
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Distinction between reactive and non-reactive trap states in photocatalytic reactions revealed by transient grating technique2016

    • Author(s)
      Kenji Katayama, Shota Kuwahara
    • Organizer
      9th Asian Photochemistry Conference
    • Place of Presentation
      Singapore, Singapore
    • Year and Date
      2016-12-06
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Distinction between reactive and non-reactive trap states in photocatalytic reactions revealed by transient grating technique2016

    • Author(s)
      Kenji Katayama, Shota Kuwahara
    • Organizer
      SPIE Nanoscience + Engineering, "Physical Chemistry of Interfaces and Nanomaterials XV"
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2016-08-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Distinction between reactive and non-reactive trap states in photocatalytic reactions revealed by transient grating technique2016

    • Author(s)
      Kenji Katayama, Shota Kuwahara
    • Organizer
      32nd Symposium on Chemical Kinetics and Dynamics
    • Place of Presentation
      大宮ソニックシティ(埼玉県さいたま市)
    • Year and Date
      2016-06-02
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] 固体型色素増感太陽電池のホール輸送層界面におけるキャリア移動過程の解明2016

    • Author(s)
      山口光稀、桑原彰太、沈青、豊田太郎、片山建二
    • Organizer
      日本化学会第96春季年会
    • Place of Presentation
      同志社大学京田辺キャンパス, 京都
    • Year and Date
      2016-03-25
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Dye-Iodide Interaction in Dye-Sensitized Solar Cells via Microsecond to Millisecond Transient Absorption Spectroscopy2015

    • Author(s)
      Ryo Hosokawa, Shota Kuwahara, Qing Shen, Taro Toyoda, Kenji Katayama
    • Organizer
      27th International Conference on Photochemistry
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2015-06-30
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] 過渡吸収スペクトルによる色素増感太陽電池の色素-イオン種間の相互作用の観測2015

    • Author(s)
      細川亮、桑原彰太、沈青、豊田太郎、片山建二
    • Organizer
      日本分析化学会第64年会
    • Place of Presentation
      九州大学伊都キャンパス, 福岡
    • Year and Date
      2015-09-10
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] Investigation on dye-ion interactions in dye-sensitized solar cells using transient absorption spectra2015

    • Author(s)
      Ryo Hosokawa, Shota Kuwahara, Qing Shen, Taro Toyoda, Kenji Katayama
    • Organizer
      The international chemical congress of pacific basin society 2015
    • Place of Presentation
      Honolulu, USA
    • Year and Date
      2015-12-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] The effect of adsorbed dyes on carrier dynamics in dye-sensitized solar cell2015

    • Author(s)
      Shota Kuwahara, Keita Omata, Ryo Hosokawa, Taisei Nishimura, Qing Shen, Taro Toyoda, Kenji Katayama
    • Organizer
      RSC Tokyo International Conference 2015
    • Place of Presentation
      幕張メッセ, 千葉
    • Year and Date
      2015-09-04
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] 過渡格子法を用いた光触媒反応における助触媒効果の評価2015

    • Author(s)
      桑原彰太、片山建二
    • Organizer
      日本分析化学会第64年会
    • Place of Presentation
      九州大学伊都キャンパス, 福岡
    • Year and Date
      2015-09-09
    • Data Source
      KAKENHI-PROJECT-15K17879
  • [Presentation] In-situ evaluation of photocatalytic carriers on TiO2/liquid interface with the transient grating method2015

    • Author(s)
      Shota Kuwahara, Kenji Katayama
    • Organizer
      The international chemical congress of pacific basin society 2015
    • Place of Presentation
      Honolulu, USA
    • Year and Date
      2015-12-17
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K17879
  • 1.  Kayatama Kenji (00313007)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 26 results
  • 2.  桑原 真人 (50377933)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 16 results
  • 3.  石田 高史 (60766525)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 10 results
  • 4.  飯田 敦夫 (90437278)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  HOSOKAWA Ryo
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 5 results
  • 6.  NISHIMURA Taisei
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 7.  YAMAGUCHI Miki
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 8.  OHMURA Satoshi
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 9.  ABE Nobuyuki
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 10.  長尾 全寛
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 11.  吉田 紘行
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 12.  恩田 健
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 13.  羽田 真毅
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 14.  石川 忠彦
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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