| abstract |
The invention discloses a diindolotricarbazole-based hole transport material and its preparation method and application. Arm structure compound, its general structure is as shown in formula 1 below: Wherein, R is a C1-C30 linear or branched chain alkyl group; Ar is an electron-rich unit modification group. The material of the present invention has excellent thermal stability, high hole mobility, good solubility and amorphous properties, and high-quality amorphous films can be prepared by a solution method; and the synthesis route is short, and the product is easy to separate, With high purity and high yield, it has potential commercial application value in the fields of electroluminescent devices, organic solar cells, perovskite solar cells or organic field effect transistors. |