Thiazolyl substituted benzodithiophene copolymers: synthesis, properties and photovoltaic applications
Z Xiao, J Subbiah, K Sun, S Ji, DJ Jones, AB Holmes, WWH Wong
Journal of Materials Chemistry C | Royal Society of Chemistry | Published : 2014
Three new conjugated polymers based on 5-decylthiazol-2-yl substituted benzodithiophene have been synthesized by Stille cross-coupling polymerization. 1,3-Dibromo-5-octylthieno[3,4-c]pyrrole-4,6-dione (M1), 2,5-diethylhexyl-3,6-bis(5-bromothiophen-2-yl)pyrrolo[3,4-c]-pyrrole-1,4-dione (M2) and 4,6-dibromo-thieno[3,4-b]thiophene-2-dodecyl carboxylate (M3) were used as acceptor building blocks for the synthesis of conjugated donor-acceptor polymers. The thermal, optical, electrochemical, and photovoltaic properties of the synthesized polymers were studied.
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Awarded by Australian Renewable Energy Agency (ARENA)
This work was made possible by support of the Victorian Organic Solar Cell Consortium, with funding provided by the Victorian State Government Department of Primary Industries (Energy Technology Innovation Strategy), Australian Renewable Energy Agency (ARENA Project 2-A018) and the Victorian State Government Department of Business Innovation (Victorian Science Agenda). Dr W. W. H. Wong is supported by an ARENA Research Fellowship. We thank Dr Scott Watkins (CSIRO) for PESA measurements.