Delayed fluorescent material, and application thereof in organic electroluminescent device

The invention relates to the technical field of organic photoelectricity in electronic components, and concretely relates to a delayed fluorescent material, and application thereof in an organic electroluminescent device. The chemical molecular structural formula of the delayed fluorescent material is shown in the specification, and the delayed fluorescent material is applied as a material of a luminescent layer of an organic electroluminescent device. The invention provides the delayed fluorescent material and the application thereof in the organic electroluminescent device. The related material is an organic semiconductor material with excellent conventional performance. The delayed fluorescent material using carborane as the receptor fragment can realize an efficient organic electroluminescent device. 本发明涉及电子元器件中的有机光电技术领域，特别涉及一种延迟荧光材料及其在有机电致发光器件中的应用；该延迟荧光材料的化学分子结构式如下，所述延迟荧光材料作为有机电致发光器件的发光层的材料应用。本发明所提供一种延迟荧光材料及其在有机电致发光器件中的应用，所涉及的材料为常规性能优良的有机半导体材料；利用碳硼烷作为受体片段的延迟荧光材料能够实现高效有机电致发光器件。