| abstract |
The invention provides a dibenzofuran-based organic electroluminescent compound such as structural formula I, which has good thermal stability, high luminous efficiency, and low driving voltage, and can be used to make organic electroluminescent devices. In the field of organic solar cells, perovskite cells, organic thin film transistors or organic photoreceptors. The present invention also provides an organic electroluminescence device, which comprises an anode, a cathode and an organic layer, the organic layer comprising a light emitting layer, a hole injection layer, a hole transport layer, a hole blocking layer, an exciton blocking layer, an electron transport layer At least one of the layers, at least one of the organic layers comprises a compound of formula I. |