▎ 摘　　要

NOVELTY - Preparing carbon nitride doped graphene oxide composite sandwich nanosheet assembled porous microsphere comprises (a) mixing glucose, cetyltrimethylammonium chloride, melamine and water in a pot to prepare a mixed solution, (b) adding the obtained mixed solution to a high-pressure reaction vessel lined with PTFE for hydrothermal reaction, hydrothermal reaction of mixed raw materials of glucose and melamine, using pyrolysis of glucose, polymerization induces polycondensation of melamine, forming the outer layer as graphene oxide, a sandwich nanosheet with a carbon nitride chip in between, assembling the resulting sandwich structure nanosheets in situ into nano-scaled porous microsphere product and (c) separating the hydrothermal reaction product by centrifugation, washing and drying. USE - The porous microsphere is useful in battery electrode material, catalysis, and gas sensing. ADVANTAGE - The method uses hydrothermal method to synthesize porous microsphere with large surface area and excellent anti-agglomeration stability.