▎ 摘　　要

NOVELTY - Preparation of three-dimensional square hole ordered mesoporous graphene skeleton includes taking iron oleate, sodium oleate and oleic acid as raw materials, rapidly heating, conducting high temperature solution method to prepare monodisperse square iron oxide nanoparticles having surface coated with oleic acid molecules, dissolving in non-polar solvent to form a stable square iron oxide nanoparticle colloidal solution, placing in a porcelain boat, and controlling square iron oxide nanoparticle colloidal solution solvent volatilization rate. USE - Preparation of three-dimensional square hole ordered mesoporous graphene skeleton used in the field e.g. of energy storage and catalysis. ADVANTAGE - The method is simple, has easy to obtain raw materials and low cost, and enables to control the shape and size of initial iron oxide nanoparticle. DETAILED DESCRIPTION - Preparation of three-dimensional square hole ordered mesoporous graphene skeleton comprises taking iron oleate, sodium oleate and oleic acid as raw materials, rapidly heating, conducting high temperature solution method to prepare monodisperse square iron oxide nanoparticles having surface coated with oleic acid molecules, dissolving in non-polar solvent to form a stable square iron oxide nanoparticle colloidal solution, placing in a porcelain boat, controlling square iron oxide nanoparticle colloidal solution solvent volatilization rate, where nanoparticles automatically assemble and solvent completely evaporates, obtaining highly ordered square nanoparticle superlattice, high temperature sintering under inert atmosphere, obtaining carbon-coated iron oxide nanoparticle superlattice, dispersing in strong acid, etching, removing iron oxide nanoparticle, obtaining three-dimensional square hole mesoporous framework material, conducting high temperature graphitization in an inert atmosphere, and obtaining the product.