Bulk Heterojuction Solar Cells Containing 6,6-Dicyanofulvenes as n-Type Additives

被引：30
作者：
Andrew, Trisha L. [1 ]
Bulovic, Vladimir [1 ]
机构：
[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
来源：
ACS NANO | 2012年 / 6卷 / 06期
关键词：
photovoltaic; polythiophene; fullerene; additive; fulvene; substitute; HETEROJUNCTION PHOTOVOLTAICS; ORGANIC PHOTOVOLTAICS; CONJUGATED POLYMERS; ELECTRON-TRANSPORT; HIGH-PERFORMANCE; EFFICIENCY; ACCEPTOR; DONOR; NANOSTRUCTURES; POLYTHIOPHENE;
D O I：
10.1021/nn301851k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
P3HT/PC61BM bulk heterojunction solar cells containing varying amounts of different 6,6-dicyanofulvenes (DCFs) were fabricated and characterized. Photovoltaic cells containing ternary mixtures of P3HT, 0.5 equiv of PC61BM, and 0.5 equiv of 1,4-dimethyl-2,3-diphenyl-DCF (by weight) displayed average power conversion efficiencies of up to 4.5% under AM 1.5 irradiation, compared to 2.9% for reference P3HT-PC61BM solar cells. It was found that 1,4-dimethyl-2,3-diphenyl-2,6-dicyanofulvene could replace up to 50 wt % of PC61BM in 1:1 P3HT-PC61BM solar cells without sacrificing device performance.
引用
收藏
页码：4671 / 4677
页数：7
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