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Title
Critical role of the external bias in improving the performance of polymer solar cells with a small molecule electrolyte interlayer
Article in journal
Authors
Xiaodong Li, Wenjun Zhang, Xueyan Wang, Yulei Wu, Feng Gao, Junfeng Fang
Publication Year
2015
Source
Journal of Materials Chemistry A, 2015, (3)2, 504-508
Link to Source (DOI)
10.1039/c4ta05516k
Abstract
<p>A small-molecule electrolyte based on the popular ethylene diamine tetraacetic acid (EDTA-N) is introduced as an efficient cathode interlayer in inverted polymer solar cells, helping to deliver power conversion efficiency over 9%. The strong dependence of device performance on the external bias suggests that the ion motion plays a critical role in improving the performance of devices with electrolyte interlayers.</p>