期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 49, 期 20, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/49/20/205105
关键词
organic solar cells; fill factor; diffusion current
资金
- Science and Technology Commission of Shanghai Municipality
- Ministry of Science and Technology of China
- National Natural Science Foundation of China (NSFC)
To identify the effect of drift/diffusion current on the fill factor (FF) of organic solar cells, the correlation between FF and drift/diffusion current is studied with thickness/type of donor material, temperature and doping as the experimental parameters. Experimental results show that FF is positively related to the diffusion current. Because of the suppression of carrier diffusion, generated carriers will accumulate at the donor-acceptor interface, resulting in carrier recombination.
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