Dielectric Effect on the Photovoltage Loss in Organic Photovoltaic Cells

被引：103
作者：
Chen, Song [1 ,2 ]
Tsang, Sai-Wing [1 ,3 ]
Lai, Tzung-Han [1 ]
Reynolds, John R. [4 ,5 ]
So, Franky [1 ]
机构：
[1] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
[2] Seagate Technol, Recording Head Operat, Bloomington, MN 55435 USA
[3] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
[4] Georgia Inst Technol, Dept Chem & Biochem, Atlanta, GA 30332 USA
[5] Georgia Inst Technol, Dept Mat Sci & Engn, Atlanta, GA 30332 USA
来源：
ADVANCED MATERIALS | 2014年 / 26卷 / 35期
关键词：
POLYMER SOLAR-CELLS; CHARGE-TRANSFER STATES; OPEN-CIRCUIT VOLTAGE; EXCITON DISSOCIATION; ELECTRONIC-STRUCTURE; ENERGY; RECOMBINATION; GENERATION; DITHIENOGERMOLE; EFFICIENT;
D O I：
10.1002/adma.201401987
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The V-OC loss in several polymer-fullerene solar cells is determined. Based on these data, a major source of photovoltage loss is attributed to the low dielectric constants of the polymers. Such loss is close to zero if the dielectric constant of the polymer-fullerene blend is close to 5.
引用
收藏
页码：6125 / +
页数：8
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