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Study on the Electronic States and the Photoinduced Dynamics of Functional Self-Assembled Monolayers

Research Project

Project/Area Number 15K05389
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Physical chemistry
Research InstitutionOsaka University

Principal Investigator

Kato Hiroyuki  大阪大学, 理学研究科, 准教授 (80300862)

Co-Investigator(Kenkyū-buntansha) 宗像 利明  大阪大学, 理学研究科, 教授 (20150873)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords表面物理化学 / 時間分解2光子光電子分光 / 表面・界面物性 / ナノ材料 / 分子デバイス / 表面界面物性 / 電子状態 / 自己組織化単分子膜 / 光電子分光 / 表面振動分光
Outline of Final Research Achievements

In order to realize the molecular electronic devices consisting of a small amount of functionalized molecules, the exact understanding of interactions between molecules and electrodes is of importance. In this study, we first focused on the dynamics of photoexcited electronic states for functionalized self-assembled monolayers (SAMs). The photoexcited processes was measured using time-resolved two-photon photoemission (TR-2PPE) spectroscopy, and then the interactions between the excited functional groups and the metal substrate were quantitatively elucidated as a function of their distance. By the analysis of the experimental results, the dominant decay process was attributed to the excitation energy transfer. In addition, in the search for creating multi-functional molecular layers, we successfully fabricated the self-assembled heterogeneous bilayer systems.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (15 results)

All 2018 2017 2016 2015

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (12 results) (of which Int'l Joint Research: 5 results,  Invited: 4 results)

  • [Journal Article] Influence of molecular distortion on the exciton quenching for quaterthiophene-terminated self-assembled monolayers on Au(111)2018

    • Author(s)
      Kato Hiroyuki S.、Murakami Yoshinari、Saitoh Riyo、Osumi Yuji、Okaue Daijiro、Kiriyama Yoshiaki、Ueba Takahiro、Yamada Takashi、Ie Yutaka、Aso Yoshio、Munakata Toshiaki
    • Journal Title

      Surface Science

      Volume: 669 Pages: 160-168

    • DOI

      10.1016/j.susc.2017.11.014

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Strong Hydrogen Bonds at the Interface between Proton-Donating and -Accepting Self-Assembled Monolayers on Au(111)2018

    • Author(s)
      Kato Hiroyuki S.、Yoshimoto Shinya、Ueda Akira、Yamamoto Susumu、Kanematsu Yusuke、Tachikawa Masanori、Mori Hatsumi、Yoshinobu Jun、Matsuda Iwao
    • Journal Title

      Langmuir

      Volume: 34 Issue: 5 Pages: 2189-2197

    • DOI

      10.1021/acs.langmuir.7b03451

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Decay of the Exciton in Quaterthiophene-Terminated Alkanethiolate Self-Assembled Monolayers on Au(111)2015

    • Author(s)
      Hiroyuki S. Kato, Yoshinari Murakami, Yoshiaki Kiriyama, Riyo Saitoh, Takahiro Ueba, Takashi Yamada, Yutaka Ie, Yoshio Aso, and Toshiaki Munakata
    • Journal Title

      The Journal of Physical Chemistry C

      Volume: 119 Issue: 13 Pages: 74007407-74007407

    • DOI

      10.1021/acs.jpcc.5b02105

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Long Range Quenching Process via the Au Substrate for Photoexcited Quaterthiophene-End- Groups in Alkanethiolate-Derivative Self-Assembled Monolayers2017

    • Author(s)
      H.S. Kato, Y. Murakami, R. Saitoh, Y. Osumi, D. Okaue, Y. Kiriyama, T. Yamada, T. Munakata
    • Organizer
      Symposium on Surface Science and Nanotechnology -25th Anniversary of SSSJ Kansai-
    • Place of Presentation
      京都市国際交流会館(京都府京都市)
    • Year and Date
      2017-01-24
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Quenching of the Photoexcited Functional Groups in Self-Assembled Monolayers on Gold: Influence of Molecular Conformation2017

    • Author(s)
      Hiroyuki S. Kato
    • Organizer
      京都大学理学研究科化学専攻セミナー
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Quenching Process of the Exciton in Functional Alkanethiolate Self-Assembled Monolayers on the Au(111) Surfaces2017

    • Author(s)
      Hiroyuki S. Kato
    • Organizer
      2017 Korea-Japan Molecular Science Symposium
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 水素結合による自己組織化単分子膜上のヘテロ分子膜形成2017

    • Author(s)
      加藤浩之,吉本真也,上田顕,山本達,森初果,吉信淳,松田巌
    • Organizer
      分子科学討論会2017
    • Related Report
      2017 Annual Research Report
  • [Presentation] Predesigned Formation of Strongly Hydrogen-Bonding Heterogeneous Bilayer on Au(111)2017

    • Author(s)
      Hiroyuki S. Kato, S. Yoshimoto, A. Ueda, S. Yamamoto, Y. Kanematsu, M. Tachikawa, H. Mori, J. Yoshinobu, I. Matsuda
    • Organizer
      The 5th Ito International Research Conference
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 水素結合による異種二分子膜の自己組織化と分子物性制御2017

    • Author(s)
      加藤浩之,吉本真也,上田顕,山本達,兼松佑典、立川仁典、森初果,吉信淳,松田巌
    • Organizer
      第8回分子アーキテクトニクス研究会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Study of the Photoexcitation State and its Quenching Mechanism for Quaterthiophene- Terminated Alkanethiolate SAMs on Au(111)2016

    • Author(s)
      H.S. Kato, Y. Murakami, R. Saitoh, Y. Osumi, D. Okaue, Y. Kiriyama, T. Yamada, T. Munakata
    • Organizer
      Asian Conference on Nanoscience & Nanotechnology (AsiaNANO 2016)
    • Place of Presentation
      札幌コンベンションセンター(北海道札幌市)
    • Year and Date
      2016-10-10
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 電子-プロトン相関分子膜の創出と機能性の研究2016

    • Author(s)
      加藤 浩之
    • Organizer
      東京大学物性研究所、客員所員講演会
    • Place of Presentation
      物性研究所(千葉県柏市)
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Chain-Length Dependence of Excited Electronic State Dynamics of Quarterthiophene-Derived Self-Assembled Monolayers on Gold2015

    • Author(s)
      Yuji Osumi, Yoshinari Murakami, Daijiro Okaue, Riyo Saitoh, Yoshiaki Kiriyama, Takashi Yamada, Hiroyuki S. Kato, Toshiaki Munakata
    • Organizer
      表面・界面スペクトロスコピー2015
    • Place of Presentation
      国立女性教育会館(埼玉県比企郡)
    • Year and Date
      2015-11-27
    • Related Report
      2015 Research-status Report
  • [Presentation] オリゴチオフェン誘導体単分子膜の電子励起状態ダイナミクスに与える膜構造の影響2015

    • Author(s)
      大隅 悠史, 村上 吉成, 岡上 大二朗, 斎藤 理世, 桐山 貴旭, 山田 剛司, 加藤 浩之, 宗像 利明
    • Organizer
      第9回分子科学討論会2015
    • Place of Presentation
      東工大(東京都目黒区)
    • Year and Date
      2015-09-16
    • Related Report
      2015 Research-status Report
  • [Presentation] チオール自己組織化単分子膜の高度機能化に向けた基礎研究:光励起と複官能基化2015

    • Author(s)
      加藤 浩之
    • Organizer
      東京大学物性研究所 放射光セミナー
    • Place of Presentation
      東大物性研(千葉県柏市)
    • Year and Date
      2015-09-01
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] Quenching Process of the Photoexcited Electrons in Quaterthiopne-Terminated Alkanethiolate SAM on Au(111)2015

    • Author(s)
      H.S. Kato, Y. Murakami, Y. Kiriyama, R. Saitoh, T. Ueba, T. Yamada, T. Munakata
    • Organizer
      The 9th International Symposium on Ultrafast Surface Dynamics (USD9)
    • Place of Presentation
      ラフォーレ琵琶湖(滋賀県守山市)
    • Year and Date
      2015-05-25
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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