期刊
CHEMICAL COMMUNICATIONS
卷 51, 期 60, 页码 12122-12125出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc04375a
关键词
-
资金
- National Natural Science Foundation of China [U1401244, 21374025, 21402009]
Two hexacyclic lactam building blocks, TD1 and TD2, and four D-A copolymers have been developed. Compared with thiophene copolymers, selenophene analogues PSeTD1 and PSeTD2 possess medium optical bandgaps, better packing, higher hole mobilities, enhanced EQE, and higher J(sc). Inverted PSeTD2:PC71BM solar cells exhibited a decent PCE of 8.18%, which is a record for D-A copolymers using selenophene as the donor unit.
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