▎ 摘　　要

NOVELTY - The synthesis method of sulfur and nitrogen co-doped graphene involves using phenothiazine or derivative as precursor, compounding phenothiazine or derivative with layered silicate material, pyrolyzing resulting complex, dissolving and removing layered silicate material component in pyrolysis product. USE - Synthesis method of sulfur and nitrogen co-doped graphene used in catalytic, electrochemical and adsorption application. ADVANTAGE - The method enables synthesis of sulfur and nitrogen co-doped graphene high yield and broad application prospect by simple process.