Synthetic Control of Structural Order in N-Alkylthieno[3,4-c]pyrrole-4,6-dione-Based Polymers for Efficient Solar Cells

被引：857

作者：

Piliego, Claudia ^{[1
]}

Holcombe, Thomas W. ^{[2
]}

Douglas, Jessica D. ^{[2
]}

Woo, Claire H. ^{[1
,3
]}

Beaujuge, Pierre M. ^{[1
,2
]}

Frechet, Jean M. J. ^{[1
,2
,3
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[3] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 22期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

DONOR-ACCEPTOR HETEROJUNCTIONS; POWER CONVERSION EFFICIENCY; BAND-GAP POLYMER; PHOTOVOLTAIC PROPERTIES; CHARGE-TRANSPORT; PERFORMANCE; COPOLYMERS; NETWORK; DESIGN; LEVEL;

D O I：

10.1021/ja103275u

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The correlation between the nature of alkyl substituents on N-alkylthieno[3,4-c]pyrrole-4,6-dione (TPD)-based polymers and solar cell device performance has been investigated. After adjusting device parameters, these TPD-based polymers used with PC61BM provided photovoltaic responses ranging from 4.0% to 6.8%, depending on the size and shape of the alkyl solubilizing groups. Further, we have correlated the effect of the alkyl groups on the structural order and orientation of the polymer backbone using grazing incidence X-ray scattering analysis, and we have demonstrated how fine-tuning of these parameters can improve the power conversion efficiency.

引用

页码：7595 / +

页数：4

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