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Thiophene fused azacoronenes: regioselective synthesis, self organization, charge transport, and its incorporation in conjugated polymers
Thiophene fused azacoronenes: regioselective synthesis, self organization, charge transport, and its incorporation in conjugated polymers
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机译:噻吩稠合氮杂蒽酮:区域选择性合成,自组织,电荷传输及其在共轭聚合物中的结合
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摘要
A regioselective synthesis of an azacoronene fused with two peripheral thiophene groups has been realized through a concise synthetic route. The resulting thienoazacoronene (TAC) derivatives show high degree of self-organization in solution, in single crystals, in the bulk, and in spuncast thin films. Spuncast thin film field-effect transistors of the TACs exhibited mobilities up to 0.028 cm2V−1 S−1, which is among the top field effect mobilities for solution processed discotic materials. Organic photovoltaic devices using TAC-containing conjugated polymers as the donor material exhibited a high open-circuit voltage of 0.89 V, which was ascribable to TAC's low-lying highest occupied molecular orbital energy level.
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机译:已经通过简洁的合成路线实现了与两个外围噻吩基团稠合的氮杂氮杂烯的区域选择性合成。所得的硫杂氮杂壬烯(TAC)衍生物在溶液中,在单晶中,在本体中以及在纺丝薄膜中显示出高度的自组织性。 TAC的旋转流延薄膜场效应晶体管的迁移率高达0.028 cm 2 Sup> V −1 Sup> S -1 Sup>,在顶部溶液处理盘状材料的场效应迁移率。使用含TAC的共轭聚合物作为施主材料的有机光伏器件显示0.89 V的高开路电压,这归因于TAC的低位最高占据分子轨道能级。
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