2,1,3-Benzothiadiazole-5,6-Dicarboxylic Imide - A Versatile Building Block for Additive-and Annealing-Free Processing of Organic Solar Cells with Effi ciencies Exceeding 8%

被引：87

作者：

Nielsen, Christian B. ^{[1
,2
]}

Ashraf, Raja Shahid ^{[1
,2
]}

Treat, Neil D. ^{[2
,3
]}

Schroeder, Bob C. ^{[1
,2
]}

Donaghey, Jenny E. ^{[1
,2
]}

White, Andrew J. P. ^{[1
,2
]}

Stingelin, Natalie ^{[2
,3
]}

McCulloch, Iain ^{[1
,2
,4
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England

[2] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2AZ, England

[3] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England

[4] King Abdullah Univ Sci & Technol, Phys Sci & Engn Div, Thuwal 239556900, Saudi Arabia

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

donor-acceptor polymers; organic photovoltaics; organic electronics; BAND-GAP POLYMERS; PHOTOVOLTAIC DEVICES; FLUORINATED BENZOTHIADIAZOLE; CONJUGATED POLYMERS; PERFORMANCE; EFFICIENCY; TRANSISTORS; MORPHOLOGY; DIFFUSION; BENZOTRITHIOPHENE;

D O I：

10.1002/adma.201404858

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new photoactive polymer comprising benzo[1,2-b: 3,4-b': 5,6-d'] trithiophene and 2,1,3-benzothiadiazole-5,6-dicarboxylic imide is reported. The synthetic design allows for alkyl chains to be introduced on both electron-rich and electrondeficient components, which in turn allows for rapid optimization of the alkyl chain substitution pattern. Consequently, the optimized polymer shows a maximum efficiency of 8.3% in organic photovoltaic devices processed in a commercially viable fashion without solvent additives, annealing, or device engineering.

引用

页码：948 / 953

页数：6

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