Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Synthesis and Thin-Film Transistor Characterization of Narrow-Gap N-type Semiconducting Polymers based on Benzobis(thiadiazole)
Taisuke UemuraMasashi MamadaRyo TeraokaDaisuke KumakiShizuo Tokito
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JOURNALS RESTRICTED ACCESS Advance online publication

Article ID: 131025


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 BBT-thiazole polymer material showed better electron transport than BBT-thiophene polymers. The use of electron deficient units was found to be suitable for the realization of the unipolar n-type semiconducting polymers.

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