Pd-Catalysed Direct Arylation Polymerisation for Synthesis of Low-Bandgap Conjugated Polymers and Photovoltaic Performance

被引：123

作者：

Chang, Shu-Wei ^{[1
]}

Waters, Huw ^{[2
]}

Kettle, Jeff ^{[2
]}

Kuo, Zi-Rui ^{[1
]}

Li, Chun-Han ^{[1
]}

Yu, Chin-Yang ^{[3
]}

Horie, Masaki ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Frontier Res Ctr Fundamental & Appl Sci Matters, Dept Chem Engn, Hsinchu 30013, Taiwan

[2] Bangor Univ, Sch Elect Engn, Bangor LL57 1UT, Gwynedd, Wales

[3] Natl Taiwan Univ Sci & Technol, Dept Mat Sci & Engn, Taipei 106, Taiwan

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2012年 / 33卷 / 22期

关键词：

direct arylation; low-bandgap conjugated polymers; organic photovoltaics; PCPDTBT; THIN-FILM TRANSISTORS; SOLAR-CELLS; SEMICONDUCTING POLYMERS; BULK-HETEROJUNCTIONS; COPOLYMERS; PCPDTBT; POLYCONDENSATION; EFFICIENCY; THIOPHENE; TRANSPORT;

D O I：

10.1002/marc.201200368

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Low-bandgap conjugated copolymers based on a donoracceptor structure have been synthesised via palladium-complex catalysed direct arylation polymerisation. Initially, we report the optimisation of the synthesis of poly(cyclopentadithiophene-alt-benzothiadiazole) (PCPDTBT) formed between cyclopentadithiophene and dibromobenzothiadiazole units. The polymerisation condition has been optimised, which affords high-molecular-weight polymers of up to Mn = 70 k using N-methylpyrrolidone as a solvent. The polymers are used to fabricate organic photovoltaic devices and the best performing PCPDTBT device exhibits a moderate improvement over devices fabricated using the related polymer via Suzuki coupling. Similar polymerisation conditions have also been applied for other monomer units.

引用

页码：1927 / 1932

页数：6

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