Photoelectric conversion material, method for producing the same, and organic photovoltaic cell containing the same
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United States of America Patent
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Sep 29, 2015
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Feb 5, 2015
app pub date -
Jul 29, 2014
filing date -
Aug 2, 2013
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Abstract
A bulk heterojunction-type organic photovoltaic cell, i.e., BHJ solar cell, has a photoelectric conversion layer containing a mixture of a donor domain and an acceptor domain. The donor domain contains a polymer as a donor (photoelectric conversion material), and the polymer is obtained by reaction of a polyphenylene having a structural unit selected from moieties represented by the following general formulae (1) to (3). For example, the acceptor domain contains phenyl-C61-butyric acid methyl ester (PCBM) as an acceptor. R1 to R8 in the general formulae (1) to (3) independently represent a hydrogen atom, an alkyl group, or an alkoxy group.
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