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

页码：6125 / +

页数：8

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