4.8 Article

A Low-Bandgap Diketopyrrolopyrrole-Benzothiadiazole-Based Copolymer for High-Mobility Ambipolar Organic Thin-Film Transistors

Journal

ADVANCED MATERIALS
Volume 22, Issue 47, Pages 5409-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201002973

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Funding

  1. Institute of Materials Research and Engineering (IMRE)
  2. Agency for Science, Technology, and Research (A*STAR)

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A new, solution-processable, low-bandgap, diketopyrrolopyrrole-benzothiadiazole-based, donor-acceptor polymer semiconductor (PDPP-TBT) is reported. This polymer exhibits ambipolar charge transport when used as a single component active semiconductor in OTFTs with balanced hole and electron mobilities of 0.35 cm(2) V(-1)s(-1) and 0.40 cm(2) V(-1)s(-1), respectively. This polymer has the potential for ambipolar transistor-based complementary circuits in printed electronics.

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