| abstract |
The invention provides a dicarbazole benzene derivative, which has the following structural formula: The dicarbazole benzene derivative has good stability, and can be applied to the field of organic electroluminescent devices, organic solar cells, organic thin film transistors or organic photoreceptors, and when used in organic electroluminescent devices, the working voltage can be reduced, Improve device efficiency, is a luminescent material with excellent performance. The present invention also provides an organic electroluminescence device, the device comprises an anode, a cathode and an organic layer, the organic layer comprises a light emitting layer, a hole injection layer, a hole transport layer, a hole blocking layer, an electron injection layer, an electron transport layer At least one of the layers, at least one of the organic layers contains the compound of the structural formula I, and the organic electroluminescent device made of the biscarbazole benzene derivative has high luminous efficiency and light purity. |