| abstract |
The invention relates to a diazole heterocyclic compound containing a thiophene structure and an application thereof, and has a molecular structure as shown in formula I: Wherein, X is one of O or S, and R 1 and R 2 are independently selected from one of polycyclic aromatic hydrocarbon conjugated groups. The material provided by the invention has good thermal stability, high glass transition temperature and high decomposition temperature; it is easy to form a good amorphous film, has strong fluorescence in solution and solid, and has high fluorescence quantum efficiency; Such materials have suitable molecular energy levels, the HOMO energy level is about 6.4 eV, and have good electron transport and hole blocking functions, and are suitable as electron transport materials. |