Synthesis and thin-film transistor characterization of narrow-gap n-type semiconducting polymers based on benzobis(thiadiazole)

Taisuke Uemura, Masashi Mamada, Ryo Teraoka, Daisuke Kumaki, Shizuo Tokito

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Solution-processable polymers based on strong acceptor benzobis(thiadiazole) (BBT) units were synthesized to form unipolar n-type organic thin-film transistors (OTFTs) that were electronically characterized. These polymers exhibited a narrow band-gap and low LUMO level, resulting in distinct n-type semiconducting properties within the OTFT devices. The BBTthiazole polymer material showed better electron transport than BBTthiophene polymers. The use of electron-deficient units was found to be suitable for the realization of the unipolar n-type semiconducting polymers.

Original languageEnglish
Pages (from-to)402-404
Number of pages3
JournalChemistry Letters
Issue number4
Publication statusPublished - Jan 1 2014
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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