Multilayer graphene films as transparent electrodes for organic photovoltaic devices

Title
Multilayer graphene films as transparent electrodes for organic photovoltaic devices
Authors
최윤영강성준김한기최원묵나석인
Keywords
Chemical vapor deposition; ITO; Graphene; Transparent conductor; Organic solar cells
Issue Date
2012-01
Publisher
Solar energy materials and solar cells
Citation
VOL 96, 281-285
Abstract
We have fabricated ITO-free organic solar cells (OSCs) based on multilayer graphene (MLG) electrodes. MLG electrodes with high transparency (~84.2%) and low sheet resistance (~374±3 O/square) were obtained on glass substrates using chemical vapor deposition and a multi-transfer process. The OSCs fabricated on MLG electrodes had an open circuit voltage of 0.52 V, a short circuit current of 6.90 mA/ cm2, a fill factor of 32.6%, and a power conversion efficiency of 1.17%. The performance of the OSCs fabricated on transparent MLG electrode was not comparable to that of OSCs fabricated on ITO electrodes; cost-effective MLG electrodes are a viable alternative to sputter-grown ITO electrodes for cost-efficient and flexible OSCs.
URI
http://pubs.kist.re.kr/handle/201004/42027
ISSN
09270248
Appears in Collections:
KIST Publication > Article
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