Preparation method of copper/graphene core-shell structure
A core-shell structure, graphene technology, applied in the preparation of microspheres, microcapsule preparations, etc., can solve the problems of uneven compounding and weak connection between graphene and copper particles, and achieve increased elasticity and toughness. simple effect
Active Publication Date: 2019-01-01
YANCHENG TEACHERS UNIV
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Abstract
The invention provides a preparation method of a copper/graphene core-shell structure. The preparation method comprises the following steps: putting copper nanoparticles/copper nanospheres into a CVD(Chemical Vapor Deposition) tubular furnace; introducing a carbon source under a mixed atmosphere of hydrogen gas and argon gas; enabling graphene to grow on the surfaces of the copper nanoparticles/copper nanospheres to form an initial core-shell structure; putting the initial core-shell structure into a graphene dispersion solution with an equivalent size and stirring to obtain the copper/graphene core-shell structure. The copper/graphene core-shell structure prepared by the method provided by the invention can be used for effectively protecting nano-copper and increasing the elasticity andtoughness of a composite material; the graphene and copper are firmly combined; the preparation method has the advantages of simple steps and less pollution and is suitable for industrial or laboratory operation.
Application Domain
Microballoon preparationMicrocapsule preparation
Technology Topic
Cvd grapheneNanometre +9
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PUM
Property | Measurement | Unit |
Size | 10.0 ~ 1000.0 | nm |
Concentration | 0.01 ~ 5.0 | mg/ml |
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