期刊
CHEMPHYSCHEM
卷 7, 期 12, 页码 2520-2525出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.200600393
关键词
block copolymers; charge carrier injection; honeycomb structures; photoelectric conversion; thin films
A light-emitting poly (distyryldimethylbenzene-co-triethylene glycol) rod-coil block copolymer was used to fabricate films with three-dimensionally ordered honeycomb structures by the breath-figure method. Photocurrent generation and photovoltaic performonce ore studied, and the dependence of photocurrent on applied electric field is investigated. Introducing the ordered porous structure significantly improves the photoelectric conversion behavior, because porous structures not only enhance the light-harvesting efficiency but also benefit charge separation and charge transfer. This phenomenon may have great prospects for enhancing the photovoltaic behovior of organic thin-film devices.
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