Tuning of a graphene-electrode work function to enhance the efficiency of organic bulk heterojunction photovoltaic cells with an inverted structure

Title
Tuning of a graphene-electrode work function to enhance the efficiency of organic bulk heterojunction photovoltaic cells with an inverted structure
Authors
조건호나석인오승환이상철김태수왕건욱최민혁박우진윤종원김동유강영호이탁희
Issue Date
2010-11
Publisher
Applied physics letters
Citation
VOL 97, NO 21, 213301-1-213301-3
Abstract
We demonstrate the fabrication of inverted-structure organic solar cells OSCs with graphene cathodes. The graphene film used in this work was work-function-engineered with an interfacial dipole layer to reduce the work function of graphene, which resulted in an increase in the built-in potential and enhancement of the charge extraction, thereby enhancing the overall device performance. Our demonstration of inverted-structure OSCs with work-function-engineering of graphene electrodes will foster the fabrication of more advanced structure OSCs with higher efficiency.
URI
http://pubs.kist.re.kr/handle/201004/39078
ISSN
0003-6951
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KIST Publication > Article
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