期刊
ADVANCED MATERIALS
卷 24, 期 7, 页码 957-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201103927
关键词
solar cells; self-assembly; p-interaction; electron acceptor; phase separation
类别
资金
- MOST [2009CB623601]
- National Natural Science Foundation of China
A novel n-type small molecule FFI-1 was synthesized as the electron acceptor to replace PCBM in solution-processed organic BHJ solar cells. Its LUMO level (around -3.5 eV) both matches the work function of the cathode and increases VOC of the devices, making it a promising acceptor candidate. With P3HT: FFI-1 (1: 2 w/w) as active layer and LiF/Al as the cathode, the best power conversion effi ciency (PCE) reaches 1.86%.
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