Room-temperature phosphorescent material as well as preparation method and application thereof

The invention provides a room-temperature phosphorescent material as well as a preparation method and application thereof, relates to the field of materials, and aims to solve the technical problems that the room-temperature phosphorescent material is not environment-friendly, short in phosphorescent lifetime and poor in processability. The preparation method comprises the steps that an activating agent is added into an organic acid solution, organic acid is one of 4, 4 '4' '-triformic acid triphenylamine, 1-naphthoic acid, biphenyl-4-carboxylic acid, 1, 8-naphthalic anhydride and 1-pyrene butyric acid, and the activating agent is N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride/N-hydroxysuccinimide; completely reacting the carboxyl-activated organic acid solution with a chitosan aqueous solution, wherein the molar ratio of chitosan to organic acid is (8: 1)-(3: 100); and removing the activating agent to obtain the chitosan derivative. 本发明提供了一种室温磷光材料及其制备方法和应用，涉及材料领域，以解决室温磷光材料环境不友好，磷光寿命短，加工性能差的技术问题