| abstract |
The invention provides a compound based on dibenzofuran, which has the following structural formula: The dibenzofuran-based compound has good thermal stability, high luminous efficiency and high luminous purity, and can be applied to the fields of organic electroluminescent devices, solar cells, organic thin film transistors or organic photoreceptors. 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 or an electron transport layer At least one of the layers, at least one of the organic layers contains a dibenzofuran-based compound such as structural formula I, and the organic electroluminescent device made based on the dibenzofuran compound has good electroluminescent efficiency and excellent color purity and The advantage of long life. |