Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Photovoltaic Properties of OPV Devices Using cis- and trans-2,5-Diarylfulleropyrrolidines as Acceptor Partners with P3HT on an ITO Electrode with or without PEDOT:PSS
Ken YoshimuraKiyotaka SugawaraShigeki SakumichiKei MatsumotoYasunori UetaniShuichi HayaseToshiki NokamiToshiyuki Itoh
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2013 Volume 42 Issue 10 Pages 1209-1211

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Abstract

Three types of 2,5-diarylfulleropyrrolidine derivatives, i.e., 2,5-diphenyl, 2,5-di(thiophen-2-yl), and 2,5-di(thiophen-3-yl)fulleropyrrolidines were used as acceptor molecules with P3HT of OPV devices using two types of ITO electrodes. Their PCE depended on both the stereochemistry and nature of the two aryl substituents at the 2,5-positions of the pyrrolidine ring: the PCE of the devices using trans-diphenyl or both cis- and trans-di(thiophen-3-yl) compounds were significantly lowered by using an ITO electrode with PEDOT:PSS, while the cis-diphenyl isomer was not influenced by PSS. Furthermore, both cis- and trans-2,5-di(thiophen-2-yl)fulleropyrrolidine displayed high PCE using PEDOT:PSS.

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© 2013 The Chemical Society of Japan
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