| abstract |
The invention discloses an aggregation-induced heat-activated delayed fluorescent material and an organic electroluminescence device thereof. The compound has one of the following three structures, and its structural formula is: Wherein, two of R 1 - R 3 are H, and one is an electron-donating group. The light-emitting layer provided by the present invention adopts a novel heat-activated delayed fluorescent material, which has the advantages of aggregation induction effect, high fluorescence quantum yield, easy derivatization and good stability, and its preparation method is simple, the raw material is cheap, and the product yield is high. Can be prepared on a large scale. The organic electroluminescent device provided by the invention has the advantages of high efficiency, low driving voltage, long life, stable light emission and the like. |