Development of photosynthetic chemical conversion by use of carbon composite materials

• Project/Area Number: 16K05760
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Functional solid state chemistry
• Research Institution: Meijo University
• Principal Investigator: Nagata Toshi 名城大学, 理工学部, 教授 (40231485)
• Project Period (FY): 2016-10-21 – 2020-03-31
• Project Status: Completed (Fiscal Year 2019)
• Budget Amount: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000); Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
• Keywords: 二酸化炭素 / 電解還元 / 炭素電極 / ポルフィリン / サロフェン / 金属錯体 / 炭素系材料 / ポリピロール / 半導体高分子 / 二酸化炭素還元 / 酸素発生 / 電気化学 / 人工光合成

Outline of Final Research Achievements

Electrochemical reduction of carbon dioxide was studied by use of metal complex catalysts and carbon electrodes. In the case of porphyrin zinc and copper complexes, electron deficient porphyrins were effective for CO2 reduction. On the other hand, nickel and copper complexes of salophen derivatives were also studied, and the copper compounds were found effective for CO2 reduction.

Academic Significance and Societal Importance of the Research Achievements

金属ポルフィリンを担持した電極上での二酸化炭素の電気化学還元は、近年興味深い結果が報告されているが、ポルフィリンの構造と還元反応の相関性については、まだ明らかになっていない。本研究の成果は、電子不足のポルフィリンを用いた場合の結果として、一石を投じるものである。サロフェン錯体については、可溶性の錯体を用いた二酸化炭素の電気化学還元についての報告例はまだ希少であり、有用な成果であると言える。

Research Products

• [Journal Article] Building a Low-cost Standalone Electrochemical Instrument Based on a Credit Card-sized Computer (2018)
  • Author(s): Toshi Nagata, Kentaro Suzuki
  • Journal Title: Analytical Sciences Volume: 34 Issue: 10 Pages: 1213-1216
  • DOI: 10.2116/analsci.18A002
  • NAID: 130007496911
  • ISSN: 0910-6340, 1348-2246
  • Year and Date: 2018-10-10
  • Peer Reviewed / Open Access
• [Journal Article] Photoreduction of Quinones by Thiols Sensitized by Phthalocyanines (2017)
  • Author(s): Masaaki Yusa, Toshi Nagata
  • Journal Title: Photochemical & Photobiological Sciences Volume: 16 Issue: 7 Pages: 1043-1048
  • DOI: 10.1039/c7pp00115k
  • Peer Reviewed
• [Presentation] Synthesis and electrochemical behavior of a novel tripyridylmethane ligand with a Lewis base at the 6-positions and its metal complexes. (2020)
  • Author(s): Madoka Kanazawa and Toshi Nagata
  • Organizer: 日本化学会第100春季年会
• [Presentation] Photoreaction of Carbon Dioxide with Aryl Halides Using Various Photosensitizers and Reductants (2020)
  • Author(s): Takuma Nishizawa and Toshi Nagata
  • Organizer: 日本化学会第100春季年会
• [Presentation] Photoreaction at the liquid/liquid interface with an amphiphilic porphyrin sensitizer (2020)
  • Author(s): Hinako Shima and Toshi Nagata
  • Organizer: 日本化学会第100春季年会
• [Presentation] Electrochemical reduction of carbon dioxide using Cu salophen as an electrocatalyst (2020)
  • Author(s): Kosuke Awazu and Toshi Nagata
  • Organizer: 日本化学会第100春季年会
• [Presentation] Fabrication of Carbon Electrodes Modified with Two Metal Porphyrins and Electrochemical Reduction of CO2 Using the Electrodes (2020)
  • Author(s): Ryota Asai and Toshi Nagata
  • Organizer: 日本化学会第100春季年会
• [Presentation] Investigation of reducing agents in the photoreaction of carbon dioxide and aromatic bromides (2019)
  • Author(s): Takuma Nishizawa and Toshi Nagata
  • Organizer: 第36回有機合成化学セミナー
• [Presentation] Fabrication of Porphyrin-modified ITO/PEN Film Electrode for Photoelectrochemical Redox Flow Battery (2018)
  • Author(s): Kentaro Suzuki, Toshi Nagata
  • Organizer: 日本化学会第99春季年会
• [Presentation] Synthesis of Amphiphilic Polyterphenyleneethnylene and Its Combination with Oxygen Evolving Catalysts (2018)
  • Author(s): Yuta Ushida, Toshi Nagata
  • Organizer: 日本化学会第98春季年会
• [Presentation] Synthesis of a Novel Tridentate Ligand with a Pyrazole Moiety and Its Zinc Complex (2018)
  • Author(s): Shoya Ito, Toshi Nagata
  • Organizer: 日本化学会第98春季年会
• [Presentation] Preparation of amphiphilic polypyrroles containing carboxylate groups and their composite with oxygen evolution catalyst (2018)
  • Author(s): Yoshinori Konno, Toshi Nagata
  • Organizer: 日本化学会第98春季年会
• [Presentation] Synthesis of novel dinuclear cobalt complexes of [2+2] macrocyclic ligands with a bis(imino)pyridine moiety (2018)
  • Author(s): Yoshinori Shibata, Toshi Nagata
  • Organizer: 日本化学会第98春季年会
• [Presentation] Synthesis of new Nitrogen/Boron frustrated Lewis pair with a triarylbenzene framework (2018)
  • Author(s): Yuta Nakajo, Toshi Nagata
  • Organizer: 日本化学会第98春季年会
• [Presentation] Synthesis of polyphenyleneethynylene containing hydrophobic groups and carboxylate groups and its conbination with an oxygen evoling catalyst (2017)
  • Author(s): Yuta Ushida, Toshi Nagata
  • Organizer: 日本化学会第97春季年会
  • Place of Presentation: 慶応義塾大学三田キャンパス（神奈川県）
• [Presentation] Preparation of polypyrrole containing hydrophobic and carboxylate groups and its composite with oxygen evolution catalyst (2017)
  • Author(s): Yoshinori Konno, Toshi Nagata
  • Organizer: 日本化学会第97春季年会
  • Place of Presentation: 慶応義塾大学三田キャンパス（神奈川県）
• [Remarks] 名城大学理工学部応用化学科永田研究室
  • URL: http://www2.meijo-u.ac.jp/~tnagata/