▎ 摘 要
NOVELTY - Rapid preparation of magnetic nano-carbon sphere/graphene oxide three-dimensional carbon aerogel hybrid material includes fixing a Buchner funnel on a filtering bottle, putting medium speed qualitative filter paper, and starting a vacuum pump, adding graphene oxide dispersion liquid into Buchner funnel for filtering, storing the graphene oxide filter cake, and removing the filtrate, adding magnetic nano-carbon sphere dispersion liquid into Buchner funnel for filtering, reserving the magnetic nano-carbon sphere filter cake, and removing the filtrate, repeating the graphene oxide dispersion liquid and magnetic nano-carbon sphere dispersion liquid Buchner funnel filtration steps until all the dispersion liquid is filtered, storing the graphene oxide filter cake and magnetic nano-carbon sphere filter cake, and removing the filtrate, and sequentially overlapping the graphene oxide filter cake layer and magnetic nano-carbon sphere filter cake in a quartz container. USE - The method is for rapid preparation of magnetic nano-carbon sphere/graphene oxide three-dimensional carbon aerogel hybrid material. ADVANTAGE - The method meets the requirements of carbon-based adsorption material on framework, pore channels, and surface composition, combines onion-like fullerene magnetic nano-carbon sphere with good acid-base stability, thermal stability, and mechanical property stability and sufficient outer surface area on two sides of oxidized graphene base and large amount of oxygen-containing functional groups, and is simple. DETAILED DESCRIPTION - Rapid preparation of magnetic nano-carbon sphere/graphene oxide three-dimensional carbon aerogel hybrid material comprises selecting chemical materials, magnetic nano-carbon sphere, graphene oxide, and deionized water, and performing mass purity, concentration, and content control comprising selecting magnetic nano-carbon sphere iron oxide (Fe3O4)-carbon (C), which is solid state and has carbon content of 52%, iron content of 35% and oxygen content of 13%, graphene oxide of formula CxHyOz, which is solid state and has carbon content of 43%, hydrogen content of 2%, and oxygen content of 55%, and deionized water (H2O), which is liquid and has purity of 99.99%; preparing magnetic nano-carbon sphere dispersion liquid by weighing 0.1 plus minus 0.0001 g magnetic nano-carbon sphere, taking 100 plus minus 0.001 ml deionized water, adding into a beaker for ultrasonically mixing for 10 minutes, and obtaining magnetic nano-carbon sphere mixed solution, transferring to 1000 ml volumetric flask, fixing the volume, and preparing 100 mg/L magnetic nano-carbon sphere dispersion liquid; preparing graphene oxide dispersion liquid by weighing 0.1 plus minus 0.0001 mg graphene oxide, taking 100 plus minus 0.001 ml deionized water, adding into a beaker for ultrasonically mixing for 10 minutes, and obtaining graphene oxide mixed solution, transferring the graphene oxide mixed solution to 1000 ml volumetric flask, fixing the volume, and preparing 0.1 mg/L graphene oxide dispersion liquid; and preparing magnetic nano-carbon sphere/graphene oxide three-dimensional carbon aerogel hybrid material by fixing a Buchner funnel on a filtering bottle, putting medium speed qualitative filter paper, and starting a vacuum pump, adding 10 ml graphene oxide dispersion liquid into Buchner funnel for filtering, storing the graphene oxide filter cake, and removing the filtrate, adding 10 ml magnetic nano-carbon sphere dispersion liquid into Buchner funnel for filtering, reserving the magnetic nano-carbon sphere filter cake, and removing the filtrate, repeating the graphene oxide dispersion liquid and magnetic nano-carbon sphere dispersion liquid Buchner funnel filtration steps until all the dispersion liquid is filtered, storing the graphene oxide filter cake and magnetic nano carbon sphere filter cake, and removing the filtrate, according to the sequence of a layer of graphene oxide filter cake and a layer of magnetic nano carbon sphere filter cake, sequentially overlapping the graphene oxide filter cake layer and magnetic nano-carbon sphere filter cake in a quartz container, and placing in vacuum drying box for drying at 60 degrees C for 720 minutes.