Macromolecular Chemistry and Physics

Cover image for Vol. 216 Issue 4

May 11, 2011

Functional Polymers: Synthesis and photovoltaic properties of a poly(2,7-carbazole) derivative based on dithienosilole and benzothiadiazole

Functional Polymers: Synthesis and photovoltaic properties of a poly(2,7-carbazole) derivative based on dithienosilole and benzothiadiazole

J. Zhou, X. Wan*, Y. Liu, F. Wang, G. Long, C. Li, Y. Chen*

A poly(2,7-carbazole) derivative with dithienosilole and benzothiadiazole is designed and synthesized via Stille polymerization. Due to the incorporated dithienosilole and carbazole moieties the polymer shows a broad absorption from 350 to 800 nm and a relatively low HOMO level. Applied in solar cell devices a power conversion efficiency of 1.65% is achieved for this polymer blended with [6,6]-phenyl-C61-butyric acid methyl ester (PC61BM) when 1,8-diiodooctane is used as an additive.

Macromol. Chem. Phys., DOI: 10.1002/macp.201100060

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