Organic Semiconductor Nanoparticles with Heterojunctions Composed of Fullerene C<sub>60</sub> and Zinc Phthalocyanine and Their Application to Visible-Light-Responsive Photocatalysts

  • Zhang Shuai
    Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University Division of Energetic Materials for Photonics, Institute of Laser Engineering (ILE), Osaka University
  • Abe Toshiyuki
    Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University Division of Energetic Materials for Photonics, Institute of Laser Engineering (ILE), Osaka University
  • Iyoda Tomokazu
    Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University Division of Energetic Materials for Photonics, Institute of Laser Engineering (ILE), Osaka University
  • Norimatsu Takayoshi
    Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University Division of Energetic Materials for Photonics, Institute of Laser Engineering (ILE), Osaka University
  • Nagai Keiji
    Division of Integrated Molecular Engineering, Chemical Resources Laboratory, Tokyo Institute of Technology

抄録

Composite nanoparticles composed of fullerene C60 and zinc phthalocyanine (ZnPc) were synthesized by injecting their mixed N-methyl-2-pyrrolidone (NMP) solution into water. The nanoparticles have heterojunction structures according to charge-transfer (CT) absorption band of the mixed NMP solution and superior photoanodic current of the composite nanoparticles. The nanoparticles were used as visible-light-responsive photocatalysts without bias potential to decompose organic compounds to CO2, and heterojunctions are proved to be critical to enhance the photocatalytic activity of the nanoparticles.

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