Journal of Materials Science

, Volume 47, Issue 2, pp 1071–1076 | Cite as

Evaluation of photoanodic output on carbon cluster/phthalocyanine films with respect to the types of n-type conductors employed

  • Toshiyuki Abe
  • Kazuki Nakamura
  • Hiromasa Ichinohe
  • Keiji Nagai
Article

Abstract

Organic p/n bilayers, composed of carbon cluster (i.e., C60 or C70, n-type semiconductor) and zinc phthalocyanine (denoted as ZnPc, p-type semiconductor) were prepared and used as photoelectrodes in the water phase. The bilayer (i.e., C60/ZnPc or C70/ZnPc) coated on a base electrode showed photoanodic characteristics in the presence of thiol, which induced the oxidation of thiol at the ZnPc/water interface along with the photophysical events (i.e., visible-light absorption, carrier generation, and its conduction) in the p/n interior. Kinetic analysis was conducted for both systems, which revealed that the overall photoelectrode reactions are kinetically dominated by the charge transfer between ZnPc and thiol. Considering the result of a reference system (i.e., a photoanode of perylene derivative/ZnPc bilayer), the photoelectrode characteristics involving the rate-limiting oxidation are discussed with respect to the types of n-type conductors.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Toshiyuki Abe
    • 1
  • Kazuki Nakamura
    • 1
  • Hiromasa Ichinohe
    • 1
  • Keiji Nagai
    • 2
  1. 1.Department of Frontier Materials Chemistry, Graduate School of Science and TechnologyHirosaki UniversityHirosakiJapan
  2. 2.Chemical Resources LaboratoryTokyo Institute of TechnologyYokohamaJapan

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