research article
oaioai:ir.opt.ac.cn:181661/11443

Synthesis of a side chain conjugated polythiophene copolymer and its photovoltaic property

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Publication date
2011
Publisher
Doi

    Abstract

    A new soluble polythiophene copolymer with phenylene-vinylene conjugated side chain (PEHOPVTh-Th) was synthesized. Polymer photovoltaic solar cells using PEHOPVTh-Th as donor and [6,6]-phenyl-C61-butyric acid methyl ester (PC(61)BM) as acceptor was demonstrated. The absorption spectrum of the PEHOPVTh-Th showed strong absorption in the visible region and a 55 nm red-shift in comparison with that of its homopolymer (PEHOPVTh). By adjusting the ratio of PEHOPVTh-Th to PC(61)BM, the polymer solar cells based on PEHOPVTh-Th showed a power conversion efficiency of 0.37% under 100 mW/cm(2) AM 1.5G simulated sunlight when the weight ratio of the polymer to PC(61)BM equals to 1:3. (C) 2011 Elsevier B.V. All rights reserved

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    Institutional Repository of Xi'an Institute of Optics and Precision Mechanics, CAS

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    This paper was published in Institutional Repository of Xi'an Institute of Optics and Precision Mechanics, CAS.

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