Rapid preparation method of magnetic carbon nanosphere/graphene oxide three-dimensional carbon aerogel hybrid material
A magnetic nano, carbon airgel technology, applied in the preparation/purification of carbon, chemical instruments and methods, iron oxide/hydroxide, etc.
Active Publication Date: 2020-10-30
TAIYUAN UNIV OF TECH
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem of the structure of the carbon-based material matrix skeleton material, using magnetic nano-carbon spheres and graphene oxide as structural units, and constructing an onion through self-assembly technology Fullerene-like magnetic carbon nanospheres / graphene oxide three-dimensional carbon airgel hybrid materials
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[0033] A rapid preparation method of a magnetic nano-carbon sphere / graphene oxide three-dimensional carbon airgel hybrid material, including the following technical solutions:
[0034] The first step is to select chemical materials, magnetic nano-carbon spheres, graphene oxide, and deionized water, and to control the quality, purity, concentration, and content:
[0035] Magnetic nano carbon sphere Fe 3 o 4 @C: solid solid, carbon content 52%, iron content 35%, oxygen content 13%;
[0036] Graphene Oxide C x h y o z : solid solid, carbon content 43%, hydrogen content 2%, oxygen content 55%;
[0037] deionized water H 2 O: liquid liquid, purity 99.99%;
[0038] The second step, the preparation of magnetic nano carbon sphere dispersion:
[0039] (1) Weigh 0.1 g ± 0.0001 g of magnetic nanocarbon spheres, measure 100 mL ± 0.001 mL of deionized water, add them to a beaker and mix them ultrasonically for 10 minutes to obtain a magnetic nanocarbon sphere mixture;
[0040] (2)...
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Abstract
The invention discloses a rapid preparation method of a magnetic carbon nanosphere / graphene oxide three-dimensional carbon aerogel hybrid material, belongs to the technical field of carbon-based material preparation, surface functional modification and application, and aims to solve the problem that a carbon-based adsorption material needs to simultaneously meet the requirements in the aspects ofskeleton, pore passage and surface composition in the practical application process. Good acid-base stability, thermal stability and mechanical property stability of the onion-shaped fullerene magnetic carbon nanospheres are combined with sufficient outer surface area and a large number of oxygen-containing functional groups on the two sides of the base surface of the graphene oxide. Magnetic carbon nanospheres and graphene oxide are used as structural units, the onion-shaped fullerene magnetic carbon nanosphere / graphene oxide three-dimensional carbon aerogel hybrid material is constructed through a self-assembly technology, and the preparation method is a simple, practical and advanced method for preparing the magnetic carbon nanosphere / graphene oxide three-dimensional carbon aerogel hybrid material.
Description
technical field [0001] The invention belongs to the technical field of carbon-based material preparation, surface functional modification and application, and specifically relates to a rapid preparation method of a magnetic nano-carbon sphere / graphene oxide three-dimensional carbon airgel hybrid material. Background technique [0002] The good physical and chemical properties of carbon-based materials make them widely used in the field of adsorption and separation as excellent adsorption materials. In order to further improve the adsorption and separation performance of carbon-based materials and expand their application fields, it is also necessary to solve the structural problem of the matrix skeleton material, which must not only maintain sufficient structural strength, but also have a high porosity and a reasonable cascade pore structure for easy identification. and rapid mass transfer during separation. Contents of the invention [0003] The purpose of the present in...
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IPC IPC(8): C01G49/08C01B32/198C01B32/05B82Y40/00B82Y25/00B82Y30/00
CPCC01G49/08C01B32/198C01B32/05B82Y40/00B82Y25/00B82Y30/00C01P2006/12C01P2004/80C01P2004/32C01P2006/80C01P2004/03C01P2002/82C01P2002/72
Inventor 刘伟峰刘旭光杨永珍闫光
Owner TAIYUAN UNIV OF TECH