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Dithienocoronenediimide-Based Copolymers as Novel Ambipolar Semiconductors for Organic Thin-Film Transistors

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Abstract

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A new class of ambipolar donor-acceptor π-conjugated polymers based on a dithienocoronenediimide core is presented. Solution-processed top-gate/bottom-contact thin film transistors (TFTs) exhibit electron and hole mobilities of up to 0.30 cm2/V·s and 0.04 cm2/V·s, respectively, which are the highest reported to date for an ambipolar polymer in ambient conditions. The polymers presented here are the first examples of coronenediimide-based semiconductors showing high organic TFT performances.

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