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Development of a novel organic photocatalyst that combines in-plane heterojunction and doping method

Research Project

Project/Area Number 22K14714
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 34030:Green sustainable chemistry and environmental chemistry-related
Research InstitutionMie University

Principal Investigator

Tateishi Ikki  三重大学, 国際環境教育研究センター, 助教 (20828785)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2023: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords光触媒 / 共有結合有機構造体 / 窒化炭素 / 水素生成 / 共有結合性有機構造体
Outline of Research at the Start

光触媒による水素生成は太陽光をエネルギー源として水を分解することによって、温室効果ガスを排出せずに水素エネルギーを生成することが出来るため、太陽光下で高効率の活性がある光触媒の開発が必要とされている。しかし、光触媒活性が足りない。本研究では、有機光触媒であるグラファイト状窒化炭素のトリアジン環平面内に、酸素をドーピングしたものと共有結合構造体とで、分子平面内での接合を形成することにより、光吸収能力を改良しつつ、電荷分離効率を改善させた、新たな実用レベルの光触媒系の構築を目的とする。このような活性向上方法が確立できれば、有機光触媒開発のための基盤データになりえる。

Outline of Final Research Achievements

We have successfully synthesized a photocatalyst consisting of a heterojunction of a covalent organic structure and carbon nitride with other elements introduced by doping method. The obtained heterojunction photocatalysts were characterized from various angles by SEM, TEM, XRD, DRS, XPS, PL, EIS, and FT-IR. The photocatalytic activity of the heterojunction photocatalysts was evaluated and found to be higher than that of the heterojunction photocatalysts using covalent organic structures alone, carbon nitride alone, physical mixture of covalent organic structures and carbon nitride, and carbon nitride without doping method. The results of characterization and photocatalytic activity evaluation revealed that the enhanced photocatalytic performance was attributed to the improved separation ability of photogenerated electron-hole pairs and lower electrical resistance.

Academic Significance and Societal Importance of the Research Achievements

本研究では、窒化炭素に他元素をドープする面内修飾と共有結合有機構造体とのヘテロ接合を形成することにより光触媒的水素生成速度を向上させることに成功した。このことは、接合界面でのみ効率向上が見込めるヘテロ接合の構築に加えて、窒化炭素のトリアジン環平面内に、直接異種構造を導入することで相乗的に電子-正孔分離を改善する効果的な方法であることを証明している。ヘテロ接合形成や分子内ドープのみでは成し得なかった新規光触媒の設計指針を方向付けることに成功した。これらのことは当該分野において、波及効果が大きく、ひいては水素化社会構築の重要な技術の一つであるという社会的意義を持つ。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (20 results)

All 2024 2023 2022

All Journal Article (14 results) (of which Int'l Joint Research: 10 results,  Peer Reviewed: 14 results,  Open Access: 3 results) Presentation (6 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] Effective Utilization of Sulfur Wastewater by Photocatalytic System Using B/CuO/ZnO2024

    • Author(s)
      Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Separations

      Volume: 11 Issue: 1 Pages: 19-19

    • DOI

      10.3390/separations11010019

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of Tungsten-Modified Sn3O4 through the Cetyltrimethylammonium Bromide-Assisted Solvothermal Method for Dye Decolorization under Visible Light Irradiation2023

    • Author(s)
      Furukawa Mai、Iwamoto Daichi、Inamori Koki、Tateishi Ikki、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Catalysts

      Volume: 13 Issue: 8 Pages: 1179-1179

    • DOI

      10.3390/catal13081179

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photocatalytic Biohydrogen Production Using ZnO from Aqueous Glycerol Solution with Aid of Simultaneous Cu Deposition2023

    • Author(s)
      Suhag Mahmudul Hassan、Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Khatun Aklima、Kaneco Satoshi
    • Journal Title

      Journal of Composites Science

      Volume: 7 Issue: 9 Pages: 361-361

    • DOI

      10.3390/jcs7090361

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photocatalytic degradation of bisphenol A using O-doped dual g-C3N4 under visible light irradiation2023

    • Author(s)
      Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Catalysis Today

      Volume: 411-412 Pages: 113877-113877

    • DOI

      10.1016/j.cattod.2022.08.019

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] One-Step Fabrication of the ZnO/g-C3N4 Composite for Visible Light-Responsive Photocatalytic Degradation of Bisphenol E in Aqueous Solution2023

    • Author(s)
      Suhag Mahmudul Hassan、Khatun Aklima、Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      ACS Omega

      Volume: 8 Issue: 13 Pages: 11824-11836

    • DOI

      10.1021/acsomega.2c06678

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Facile Synthesis of ZnO/g-C3N4 with Enhanced Photocatalytic Performance for the Reduction of Cr(VI) in Presence of EDTA Under Visible Light Irradiation2023

    • Author(s)
      Khatun Aklima、Suhag Mahmudul Hassan、Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      International Journal of Environmental Research

      Volume: 17 Issue: 2 Pages: 32-32

    • DOI

      10.1007/s41742-023-00522-0

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Dual Z-scheme heterojunction g-C3N4/Ag3PO4/AgBr photocatalyst with enhanced visible-light photocatalytic activity2022

    • Author(s)
      Katsumata Hideyuki、Islam Molla Md Ashraful、Islam Jahida Binte、Tateishi Ikki、Furukawa Mai、Kaneco Satoshi
    • Journal Title

      Ceramics International

      Volume: - Issue: 15 Pages: 21898-21905

    • DOI

      10.1016/j.ceramint.2022.04.176

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Synthesis of an iso-type graphitic carbon nitride heterojunction derived from oxamide and urea in molten salt for high-performance visible-light driven photocatalysis2022

    • Author(s)
      Ashraful Islam Molla Md.、Katsumata Hideyuki、Furukawa Mai、Tateishi Ikki、Kaneco Satoshi
    • Journal Title

      New Journal of Chemistry

      Volume: - Issue: 19 Pages: 8999-9009

    • DOI

      10.1039/d2nj00741j

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Photocatalytic Hydrogen Production from Formic Acid Solution with Titanium Dioxide with the Aid of Simultaneous Rh Deposition2022

    • Author(s)
      Suhag Mahmudul Hassan、Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Khatun Aklima、Kaneco Satoshi
    • Journal Title

      ChemEngineering

      Volume: 6 Issue: 3 Pages: 43-43

    • DOI

      10.3390/chemengineering6030043

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Application of Rh/TiO2 Nanotube Array in Photocatalytic Hydrogen Production from Formic Acid Solution2022

    • Author(s)
      Suhag Mahmudul Hassan、Tateishi Ikki、Furukawa Mai、Katsumata Hideyuki、Khatun Aklima、Kaneco Satoshi
    • Journal Title

      Journal of Composites Science

      Volume: 6 Issue: 11 Pages: 327-327

    • DOI

      10.3390/jcs6110327

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Highly efficient visible light-induced photocatalytic oxidation of arsenite with nanosized WO<sub>3</sub> particles in the presence of Cu<sup>2+</sup> and CuO2022

    • Author(s)
      Samad Abdus、Furukawa Mai、Tateishi Ikki、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Environmental Technology

      Volume: - Issue: 20 Pages: 1-12

    • DOI

      10.1080/09593330.2022.2051607

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Development of Ag/Ag<sub>2</sub>O/ZnO photocatalyst and their photocatalytic activity towards dibutyl phthalate decomposition in water2022

    • Author(s)
      Sugiura Erisa、Furukawa Mai、Tateishi Ikki、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Journal of the Air & Waste Management Association

      Volume: 72 Issue: 10 Pages: 1137-1152

    • DOI

      10.1080/10962247.2022.2071358

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Ag-modified g-C<sub>3</sub>N<sub>4</sub> with enhanced activity for the photocatalytic reduction of hexavalent chromium in the presence of EDTA under ultraviolet irradiation2022

    • Author(s)
      Islam Jahida Binte、Islam Md. Rakibul、Furukawa Mai、Tateishi Ikki、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      Environmental Technology

      Volume: - Issue: 23 Pages: 1-14

    • DOI

      10.1080/09593330.2022.2068379

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Influence Of Acid And Co-Catalyst On Photocatalytic Hydrogen Production2022

    • Author(s)
      Dabwan Ahmed H.A.、Guo Bin、Furukawa Mai、Tateishi Ikki、Katsumata Hideyuki、Kaneco Satoshi
    • Journal Title

      INWASCON Technology Magazine

      Volume: 4 Pages: 39-41

    • DOI

      10.26480/itechmag.04.2022.39.41

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] The p-n junction CdS/Cu<sub>7S<sub>4 for improved Photocatalytic Hydrogen Production2022

    • Author(s)
      Takumi Kobayashi, Ikki Tateishi, Hideyuki Katsumata, Mai Furukawa, and Satoshi Kaneco
    • Organizer
      12th International Conference on Environmental Catalysis (ICEC2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Enhanced Photocatalytic Hydrogen Production of CdS/Cu<sub>7S<sub>4 under visible light Irradiation2022

    • Author(s)
      Takumi Kobayashi, Ikki Tateishi, Hideyuki Katsumata, Mai Furukawa, and Satoshi Kaneco
    • Organizer
      9th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Hydrogen production activity by heterojunction g-C3N4 photocatalysts with aromatic rings2022

    • Author(s)
      Motoki Sato, Hideyuki Katsumata, Ikki Tateishi, Mai Furukawa, and Satoshi Kaneco
    • Organizer
      12th International Conference on Environmental Catalysis (ICEC2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Investigation of Au Supporting Method on Titanium Dioxide for Hydrogen Production from High Concentration Methanol2022

    • Author(s)
      Yuta Takai, Mai Furukawa, Ikki Tateishi, Hideyuki Katsumata, Satoshi Kaneco
    • Organizer
      12th International Conference on Environmental Catalysis (ICEC2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Improvement of photocatalytic activity of g-C3N4 by modifying aromatic rings2022

    • Author(s)
      Motoki Sato, Hideyuki Katsumata, Ikki Tateishi, Mai Furukawa, and Satoshi Kaneco
    • Organizer
      9th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Synthesis of modified titanium dioxide for enhancing photocatalytic production of hydrogen2022

    • Author(s)
      Yuta Takai, Mai Furukawa, Ikki Tateishi, Hideyuki Katsumata, Satoshi Kaneco
    • Organizer
      9th Tokyo Conference on Advanced Catalytic Science and Technology (TOCAT2022)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research

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Published: 2022-04-19   Modified: 2025-01-30  

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