Antiaromatic planar cyclooctatetraene: a strategy for developing ambipolar semiconductors for field effect transistors

Tetra[2,3-thienylene] planarised by sulphur bridges and radially π-extended with (triisopropylsilyl)ethynyl groups had a narrow HOMO-LUMO gap due to the antiaromatic cyclooctatetraene core, and its single crystal FET device exhibited ambipolar characteristics with hole and electron mobilities of up...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2013-01, Vol.49 (47), p.5354-5356
Main Authors: Nishinaga, Tohru, Ohmae, Takeshi, Aita, Kazunari, Takase, Masayoshi, Iyoda, Masahiko, Arai, Tatsuya, Kunugi, Yoshihito
Format: Article
Language:English
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Summary:Tetra[2,3-thienylene] planarised by sulphur bridges and radially π-extended with (triisopropylsilyl)ethynyl groups had a narrow HOMO-LUMO gap due to the antiaromatic cyclooctatetraene core, and its single crystal FET device exhibited ambipolar characteristics with hole and electron mobilities of up to 0.40 and 0.18 cm(2) V(-1) s(-1), respectively.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc41764f