New Fused Bis-Thienobenzothienothiophene Copolymers and Their Use in Organic Solar Cells and Transistors

被引：40

作者：

Biniek, Laure ^{[1
,2
,4
]}

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

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

Yaacobi-Gross, Nir ^{[2
,3
]}

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

Soon, Ying W. ^{[1
,2
]}

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

Durrant, James R. ^{[1
,2
]}

Anthopoulos, Thomas D. ^{[2
,3
]}

McCulloch, Iain ^{[1
,2
]}

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 Phys, London SW7 2AZ, England

[4] Univ Strasbourg, CNRS, Inst Charles Sadron, F-67034 Strasbourg, France

来源：

MACROMOLECULES | 2013年 / 46卷 / 03期

关键词：

FIELD-EFFECT TRANSISTORS; CONJUGATED POLYMERS; OPTOELECTRONIC PROPERTIES; SIDE-CHAINS; DESIGN; BACKBONE;

D O I：

10.1021/ma302390z

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new tetradodecyl-substituted DTBTBT donor unit is synthesized by a specific bis-annulation via Suzuki-Miyaura coupling and successfully incorporated into light absorbing electron donor copolymers for OPV and hole and electron transport OFET polymer devices. All copolymers (DTBTBT-co-benzothiadiazole (Bz), DTBTBT-co-thiophene (T) and DTBTBT-co-thienothiophene (TT)) show fully coplanar backbones and strong intermolecular interactions. The DTBTBT-Bz copolymer led to a deep HOMO level (-5.2 eV) and thus a large V-oc value of 0.92 V with PC71BM as electron acceptor and a PCE of 3.7% with a J(sc) of 6.78 mA/cm(2) could be obtained. A hole mobility of 0.1 cm(2)/(V s) has been observed for the highly coplanar and more crystalline DTBTBT-T copolymer.

引用

收藏

页码：727 / 735

页数：9

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