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Highly efficient surface modification of metal oxide nanoparticles and nanosheets using microreactors

Research Project

Project/Area Number 18H02062
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related
Research InstitutionWaseda University

Principal Investigator

Sugahara Yoshiyuki  早稲田大学, 理工学術院, 教授 (50196698)

Co-Investigator(Kenkyū-buntansha) 塚原 剛彦  東京工業大学, 科学技術創成研究院, 准教授 (10401126)
井戸田 直和  東京工業大学, 科学技術創成研究院, 助教 (60451796)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2020: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2019: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2018: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Keywords表面修飾 / マイクロリアクター / ナノシート / ナノ粒子 / マイクロリアクタ- / マイクロ流路 / 金属酸化物
Outline of Final Research Achievements

Highly efficient surface modification in a liquid-liquid biphasic system was achieved using a microreactor. First, the surface modification of niobate nanosheets in a bulk liquid-liquid biphasic system was achieved by using an aqueous dispersion of niobate nanosheets prepared by exfoliation of layered perovskite using a tetrabutylammonium salt as an aqueous phase and cyclohexane dissolving oleyl phosphate as an organic phase. Surface modification of niobate nanosheets in a microreactor was also achieved using a double-Y type microchannel and similar aqueous and organic phases, and surface modification was completed within 4.6 sec.

Academic Significance and Societal Importance of the Research Achievements

マイクロリアクターはこれまでも化学に広く応用されており、有機合成やナノ粒子の合成などに用いられてきた。一方、液-液二相系を利用したナノ粒子の表面修飾はこれまで行われており、水相に分散しているナノ粒子が界面で表面修飾された後、有機相に移動(相間移動)することが知られている。本研究が示したマイクロリアクターの表面修飾への応用は、マイクロリアクターの全く新しい用途を提示しており、マイクロリアクターの応用範囲を拡張したことは意義深い。また、数秒間で表面修飾反応が完了するという、非常に高い効率を示しており、マイクロリアクターの表面修飾への利用の高い学術的意義を示している。

Report

(3 results)
  • 2020 Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (6 results)

All 2020 2019

All Journal Article (3 results) (of which Peer Reviewed: 2 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] Highly Efficient Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent Making Use of Microchannels2020

    • Author(s)
      Takeshi Sugaya, Regis Guegan, Naokazu Idota, Takehiko Tsukahara, and Yoshiyuki Sugahara
    • Journal Title

      Langmuir

      Volume: 36 Issue: 26 Pages: 7252-7258

    • DOI

      10.1021/acs.langmuir.0c00560

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] リン系カップリング剤を用いた無機ナノ構造体の有機表面修飾2020

    • Author(s)
      井戸田 直和,塚原 剛彦,菅原 義之
    • Journal Title

      PHOSPHORUS LETTER

      Volume: 98 Pages: 5-13

    • NAID

      40022283856

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent in a Biphasic System2019

    • Author(s)
      Takeshi Sugaya, Masahiko Ozaki, Regis Guegan, Naokazu Idota and Yoshiyuki Sugahara
    • Journal Title

      Langmuir

      Volume: 35 Issue: 20 Pages: 6594-6601

    • DOI

      10.1021/acs.langmuir.8b03923

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] 液ー液二相系によるTiO2ナノ粒子の表面修飾2020

    • Author(s)
      清水 優佑,井戸田 直和,ゲガン レジス,塚原 剛彦,菅原 義之
    • Organizer
      第58回セラミックス基礎科学討論会
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 液-液二相系を用いた酸化物ナノシートの表面修飾2019

    • Author(s)
      菅谷 剛士,尾崎 正彦,ゲガン レジス,井戸田 直和,菅原 義之
    • Organizer
      第68回高分子討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Preparation of Metal Oxide Nanomaterials and Their Surface Modification2019

    • Author(s)
      Yoshiyuki Sugahara
    • Organizer
      The 36th International Japan-Korea Seminar on Ceramics
    • Related Report
      2019 Annual Research Report

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Published: 2018-04-23   Modified: 2025-01-30  

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