Hexacyclic lactam building blocks for highly efficient polymer solar cells

被引：35
|
作者：
Cao, Jiamin [1 ]
Zuo, Chuantian [1 ]
Du, Bin [2 ]
Qiu, Xiaohui [1 ]
Ding, Liming [1 ]
机构：
[1] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
[2] Beijing Agr Univ, Fac Food Sci & Engn, Beijing 102206, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2015年 / 51卷 / 60期
基金：
中国国家自然科学基金;
关键词：
BANDGAP CONJUGATED POLYMERS; ORGANIC PHOTOVOLTAIC CELLS; OPEN-CIRCUIT VOLTAGE; PERFORMANCE; DERIVATIVES; COPOLYMERS; ABSORPTION; MORPHOLOGY;
D O I：
10.1039/c5cc04375a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：12122 / 12125
页数：4
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