Divalent platinum complex as well as preparation method and application thereof

The invention relates to the technical field of electronic materials, in particular to a bivalent platinum complex and a preparation method and application thereof. The divalent platinum complex provided by the invention has a structure as shown in a formula I. The divalent platinum complex provided by the invention can emit yellow phosphorescence as a phosphorescence luminescent material, has good color purity, good stability and high efficiency, and is suitable for being used as an organic yellow phosphorus luminous body in OLED (Organic Light Emitting Diode) related products. 本发明涉及电子材料技术领域，具体涉及一种二价铂络合物及其制备方法和用途。本发明提供的二价铂络合物，具有如式Ⅰ所示的结构，本发明提供的二价铂络合物，该二价铂络合物作为磷光发光材料可以发黄磷光，并且具有色纯度好、稳定性好且效率高，适合作为OLED相关产品中的有机黄磷光发光体。