4.7 Article

A novel tellurophene-containing conjugated polymer with a dithiophenyl diketopyrrolopyrrole unit for use in organic thin film transistors

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 48, Pages 5495-5497

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc41250d

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Funding

  1. National Research Foundation of Korea [NRF2012R1A2A1A01008797, 20110026418]
  2. Key Research Institute Program [NRF20120005860]
  3. Global Ph.D. Fellowship Program in NRF [2012H1A2004001]

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A new tellurophene-based pi-conjugated polymer, PDTDPPTe, was synthesized. PDTDPPTe exhibits a smaller optical band gap (E-g(opt) = 1.25 eV) than thiophene-based PDTDPPT (E-g(opt) = 1.30 eV). Thin-film transistors comprising PDTDPPTe displayed outstanding performance (mu(max) = 1.78 cm(2) V-1 s(-1), I-on/I-off = 10(5-6)).

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