Issue 23, 2002

Photocurrent amplification by an energy/electron transfer cascade in polymer Langmuir–Blodgett films

Abstract

Effective photocurrent generation by visible light irradiation on hetero-deposited polymer Langmuir–Blodgett (LB) films containing tris(bipyridine) ruthenium(II) (Ru(bpy)32+) and anthracene derivatives was observed. The photocurrent amplification was found to be assisted by the photoinduced energy/electron transfer cascade, which consists of the interlayer triplet–triplet energy transfer process from photo-excited Ru(bpy)32+ to anthracene, and then electron transfer processes from the triplet anthracene to a viologen acceptor, from Ru(bpy)32+ to the oxidized anthracene and from the electrode to Ru(bpy)33+.

Graphical abstract: Photocurrent amplification by an energy/electron transfer cascade in polymer Langmuir–Blodgett films

Article information

Article type
Communication
Submitted
27 Jul 2002
Accepted
29 Aug 2002
First published
29 Oct 2002

Chem. Commun., 2002, 2856-2857

Photocurrent amplification by an energy/electron transfer cascade in polymer Langmuir–Blodgett films

J. Chen, M. Mitsuishi, A. Aoki and T. Miyashita, Chem. Commun., 2002, 2856 DOI: 10.1039/B207398F

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