HETEROACENE DERIVATIVE, ORGANIC SEMICONDUCTOR LAYER, AND ORGANIC THIN-FILM TRANSISTOR

PROBLEM TO BE SOLVED: To provide a novel heteroacene derivative which is a coating type organic semiconductor material having high carrier mobility, high solubility, and high oxidation resistance, and to provide an organic semiconductor layer and an organic thin-film transistor using the heteroacene...

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Hauptverfasser: HACHIYA SEIJI, TANABIKI MASAO, WATANABE MASATO, MIYASHITA MASATO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a novel heteroacene derivative which is a coating type organic semiconductor material having high carrier mobility, high solubility, and high oxidation resistance, and to provide an organic semiconductor layer and an organic thin-film transistor using the heteroacene derivative.SOLUTION: The heteroacene derivative is represented by general formula (1) (where substituents R-Reach independently represent hydrogen, a halogen, a 2-20C alkyl group, a 1-20C acyl group, a 2-20C alkenyl group, or a 2-20C alkynyl group, provided that the case where all of the substituents R-Rare simultaneously hydrogen is excluded; and Tand Teach independently represent a sulfur atom, an oxygen atom, or a selenium atom).SELECTED DRAWING: None 【課題】 高いキャリア移動度、高溶解性及び高耐酸化性を持つ塗布型の有機半導体材料である新規なヘテロアセン誘導体、これを用いた有機半導体層及び有機薄膜トランジスタを提供する。【解決手段】 下記一般式(1)で示されるヘテロアセン誘導体。【化1】(ここで、置換基R1〜R9は、それぞれ独立して、水素、ハロゲン、炭素数2〜20のアルキル基、炭素数1〜20のアシル基、炭素数2〜20のアルケニル基、又は炭素数2〜20のアルキニル基を示す。ただし、置換基R1〜R9が全て同時に水素である場合を除く。T1及びT2は、それぞれ独立して硫黄原子、酸素原子、又はセレン原子を示す。)【選択図】 なし