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Critical role of the external bias in improving the performance of polymer solar cells with a small molecule electrolyte interlayer
Article in journal
Xiaodong Li, Wenjun Zhang, Xueyan Wang, Yulei Wu, Feng Gao, Junfeng Fang
Publication Year
Journal of Materials Chemistry A, 2015, (3)2, 504-508
Link to Source (DOI)
<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>