Synthesis and Photovoltaic Effect in Dithieno[2,3-d:2′,3′-d′]Benzo[1,2-b:4,5-b′]dithiophene-Based Conjugated Polymers

被引：181

作者：

Son, Hae Jung ^{[1
,2
]}

Lu, Luyao ^{[1
,2
]}

Chen, Wei ^{[3
,4
]}

Xu, Tao ^{[1
,2
]}

Zheng, Tianyue ^{[1
,2
]}

Carsten, Bridget ^{[1
,2
]}

Strzalka, Joseph ^{[5
]}

Darling, Seth B. ^{[4
,6
]}

Chen, Lin X. ^{[7
,8
]}

Yu, Luping ^{[1
,2
]}

机构：

[1] Univ Chicago, Dept Chem, Chicago, IL 60615 USA

[2] Univ Chicago, James Franck Inst, Chicago, IL 60615 USA

[3] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

[4] Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA

[5] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA

[6] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA

[7] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[8] Northwestern Univ, ANSER Ctr, Evanston, IL 60208 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 06期

基金：

美国国家科学基金会;

关键词：

polymer solar cells; bulk heterojunctions; acene; HETEROJUNCTION SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; BAND-GAP POLYMERS; EFFICIENCY; PERFORMANCE; CRYSTALS; DESIGN; DONORS; ACENES;

D O I：

10.1002/adma.201204238

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Conjugated polymers based on a heteroacene, 3,7-dialkyl-dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene (DBD), are synthesized. These polymers show broad UV-vis absorption with energy bandgaps below 1.7 eV. PTDBD2, showing good miscibility in a polymer/phenyl-C71-butyric acid methyl ester (PC71BM) blend film, achieves a power conversion efficiency (PCE) of 7.6%. The results indicate that copolymers containing DBD are promising candidates for high-performance organic solar cells.

引用

页码：838 / 843

页数：6

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