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Indexed by:Journal Papers

Date of Publication:2012-07-04

Journal:TETRAHEDRON LETTERS

Included Journals:SCIE、Scopus

Volume:53

Issue:27

Page Number:3425-3428

ISSN No.:0040-4039

Key Words:Photovoltaic devices; Solar cells

Abstract:Four organic donor-pi-conjugated-acceptor (D-pi-A) type II dyes with different thiophene linkers are reported for dye sensitized solar cells (DSSCs). For the first time, a donor (triphenylamine) was introduced in type II sensitizers, and 2-hydroxybenzonitrile as acceptor/anchoring moiety was covalently linked TiO2 particles. The dye LS203 in this series gives the best solar energy conversion efficiency of 3.4%, with J(sc) = 7.4 mA cm(-2), V-oc = 0.67 V. FF = 0.69, the maximum IPCE value reaches 66.9%. (C) 2012 Elsevier Ltd. All rights reserved.