| abstract |
The invention relates to an organic electroluminescent material, a preparation method thereof and an organic electroluminescent device, belonging to the technical field of luminescent materials. The organic electroluminescent material with a novel structure provided by the invention has proper color coordinates, and the organic electroluminescent device prepared by using it as a light-emitting layer has high luminous efficiency and good device life. The organic electroluminescent material provided by the present invention has high electron transfer efficiency, so that crystallization can be prevented during device manufacture, and layers can be easily formed, thereby improving the current characteristics of the device. The preparation method of the organic electroluminescent material provided by the invention has easy-to-obtain raw materials and simple process, and is suitable for industrialized production. |