Thieno[3,2-b]thiophene-Diketopyrrolopyrrole-Containing Polymers for High-Performance Organic Field-Effect Transistors and Organic Photovoltaic Devices

Bronstein H; Chen ZY; Ashraf RS; Zhang WM; Du JP; Durrant JR; Tuladhar PS; Song K; Watkins SE; Geerts Y; Wienk MM; Janssen RAJ; Anthopoulos T; Sirringhaus H; Heeney M; McCulloch I

Journal of the American Chemical Society, Vol.133, No.10, 3272-3275, 2011

Bronstein H, Chen ZY, Ashraf RS, Zhang WM, Du JP, Durrant JR, Tuladhar PS, Song K, Watkins SE, Geerts Y, Wienk MM, Janssen RAJ, Anthopoulos T, Sirringhaus H, Heeney M, McCulloch I

We report the synthesis and polymerization of a novel thieno[3,2-b]thiophene-diketopyrrolopyrrole-based monomer. Copolymerization with thiophene afforded a polymer with a maximum hole mobility of 1.95 cm(2) V-1 s(-1) which is the highest mobility from a polymer-based OFET reported to date. Bulk-heterojunction solar cells comprising this polymer and PC71BM gave a power conversion efficiency of 5.4%.

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