期刊
ORGANIC ELECTRONICS
卷 11, 期 11, 页码 1864-1869出版社
ELSEVIER
DOI: 10.1016/j.orgel.2010.08.018
关键词
Graphene; Photovoltaics; Transparent electrode; TiOX; Chemical vapor deposition
资金
- Korean Ministry of Education, Science and Technology [20090093869]
- GIST
- Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-06] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2007-0055761, 2008-0093869, 2010-0010817, 2009-0093817, 2008-0062153] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We present the results of applying multi-layer graphene (MLG) films as transparent conductive electrodes in organic photovoltaic devices (OPVs). The MLG films synthesized at different growth temperatures by chemical vapor deposition were applied to OPVs. The performance of OPVs with 1000 degrees C-grown MLG films was found to be the best with a power conversion efficiency (PCE) of similar to 1.3%. The PCE was further enhanced when a hole-blocking TiOX layer was inserted in the device structure, resulting in a PCE of similar to 2.6% which is a significantly higher efficiency compared to other previously reported graphene-adopted photovoltaic cells. Our demonstration of the PCE-increase in the graphene-electrode OPVs may foster the application of the fast-progressing graphene technology toward more practical OPV technology. (C) 2010 Elsevier B.V. All rights reserved.
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