Issue 21, 2012
From the journal:

RSC Advances

Organophotocatalysis system of p/n bilayers for wide visible-light-induced molecular hydrogen evolution†

Toshiyuki Abe,*a   Junpei Chiba,a   Misaki Ishidoyaa  and  Keiji Nagaib  

* Corresponding authors

a Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Japan
E-mail: tabe@cc.hirosaki-u.ac.jp
Fax: +81 172 39 3580
Tel: +81 172 39 3580

b Chemical Resources Laboratory, Tokyo Institute of Technology, Suzukake-dai, Midori-ku, Yokohama, Japan

Abstract

We developed a photocatalysis system composed of two types of organic p/n bilayers for the evolution of H2. When a bilayer of 29H,31H-phthalocyanine (H2Pc, a p-type semiconductor)/fullerene (C60, an n-type semiconductor) was applied to a photocatalyst by loading a Pt co-catalyst onto the C60 surface, the Pt-coated C60 surface induced H2 evolution, concurrently involving photocatalytic oxidation at H2Pc in the other bilayer. The photocatalytic reaction can occur along with photophysical events in the p/n interior. In order to draw out an efficient photocatalysis, the factors affecting H2 evolution were investigated in terms of the intensity of light irradiated, thickness of the bilayers, and the amount of Pt co-catalyst deposited. The organophotocatalysis system demonstrates a novel and advanced method of photocatalytic H2 evolution utilizing energy over the entire range of visible light.

Graphical abstract: Organophotocatalysis system of p/n bilayers for wide visible-light-induced molecular hydrogen evolution

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Article information

DOI
https://doi.org/10.1039/C2RA21281A
Article type
Communication
Submitted
26 Jun 2012
Accepted
26 Jun 2012
First published
08 Aug 2012

RSC Adv., 2012,2, 7992-7996

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Organophotocatalysis system of p/n bilayers for wide visible-light-induced molecular hydrogen evolution

T. Abe, J. Chiba, M. Ishidoya and K. Nagai, RSC Adv., 2012, 2, 7992 DOI: 10.1039/C2RA21281A

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