| abstract |
The present invention relates to a kind of carbazole diarylamine dendritic compound and its preparation method and application, the preparation method of described carbazole diarylamine dendritic compound comprises halogenated 9,9′-spirobifluorene, catalyst, carbazole Mix the azole diarylamine compound with an organic base, use xylene as a solvent, react under the protection of an inert gas, recrystallize and purify, and obtain the carbazole diarylamine dendritic compound shown in the following formula. The carbazole diarylamine dendritic compound prepared by the present invention has a simple process and a refining method, is very suitable for industrial production, has good thermal stability and morphological stability, and is used as a hole transport material for a perovskite solar cell. It has high photoelectric conversion efficiency. |