Disclosed are a pyrrolo-pyrroledione-thiophenequinone compounds as shown in formula I, a preparation process thereof and the use thereof as an organic semiconductor material. The preparation process for the compound of formula I comprises reacting NaH, an α-bromine substituted pyrrolo-pyrroledione-thiophene oligomer as shown by formula II and malononitrile sodium salt, in the presence of catalytic Pd(PPh3)4, and then adding to the reaction system saturated bromine water to carry out an oxidation reaction, so as to obtain the compound of formula I. The compound of formula I has a good field effect performance, an electron mobility of above 0.1 cm2V-1s-1, an on/off current ratio up to 105, and is stable in air.
本发明公开了一种如式 I 所示的
吡咯并
吡咯二酮
噻吩醌化合物、其制备工艺及其作为有机半导体材料的用途。式 I 化合物的制备工艺包括在催化 Pd(PPh3)4 存在下,使 NaH、式 II 所示的α-
溴取代的
吡咯并
吡咯二酮
噻吩低聚物和
丙二腈钠盐反应,然后在反应体系中加入饱和
溴水进行氧化反应,从而得到式 I 化合物。式 I 化合物具有良好的场效应性能,电子迁移率在 0.1 cm2V-1s-1 以上,开/关电流比可达 105,且在空气中稳定。