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Graphene nanoparticle composite material with high conductivity and preparation method thereof

A nanoparticle and composite material technology, which is applied in the direction of nanotechnology, nanotechnology, nanotechnology, etc. for materials and surface science, can solve the problem of reducing the electrical conductivity of graphene nanoparticle composite materials and the difficulty in realizing graphene and nanoparticle electronics. Problems such as effective transfer, unstable compounding of nanoparticles and graphene, etc., to achieve good economic benefits and application prospects, good application prospects, and the effect of improving adhesion and contact performance

Pending Publication Date: 2021-02-23
DONGGUAN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, a common problem of graphene nanoparticle composite materials currently on the market is that the composite between nanoparticles and graphene is not strong, and it is difficult to realize the effective transfer of electrons between graphene and nanoparticles, thereby greatly reducing the graphite Conductive properties of ene nanoparticle composites

Method used

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  • Graphene nanoparticle composite material with high conductivity and preparation method thereof
  • Graphene nanoparticle composite material with high conductivity and preparation method thereof
  • Graphene nanoparticle composite material with high conductivity and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Example 1, such as Figure 1-3 Shown, a kind of preparation method of the graphene nano particle composite material with high electrical conductivity in the present embodiment, comprises the following steps:

[0052] S1, the AgNO 3 Add PVP (polyvinylpyrrolidone) to deionized water, and supplemented by stirring, to obtain a mixed solution A;

[0053] S2, the NaBH 4 The solution is added to the mixed solution A in the step S1, and supplemented with stirring until the color of the solution changes from transparent to dark yellow, and the stirring is stopped to obtain the mixed solution B;

[0054] S3, performing the first high-speed centrifugation treatment on the mixed solution B in the step S2, drying the precipitate of the mixed solution B after the first high-speed centrifugation treatment, to obtain the first metal nanoparticles;

[0055] S4. Mix the first metal nanoparticles and PEG (polyethylene glycol) in the step S3 and add them into the DMF (dimethylformamide)...

Embodiment 2

[0078] Embodiment 2, a kind of preparation method of the graphene nanoparticle composite material with high electrical conductivity in the present embodiment, comprises the following steps:

[0079] S1, the AgNO 3 Add PVP (polyvinylpyrrolidone) to deionized water, and supplemented by stirring, to obtain a mixed solution A;

[0080] S2, the NaBH 4 The solution is added to the mixed solution A in the step S1, and supplemented with stirring until the color of the solution changes from transparent to dark yellow, and the stirring is stopped to obtain the mixed solution B;

[0081] S3, performing the first high-speed centrifugation treatment on the mixed solution B in the step S2, drying the precipitate of the mixed solution B after the first high-speed centrifugation treatment, to obtain the first metal nanoparticles;

[0082] S4, mixing the first metal nanoparticles in the step S3 with PEG (polyethylene glycol) and then adding it into a DMF (dimethylformamide) solution, supplem...

Embodiment 3

[0102] Embodiment 3, a kind of preparation method of the graphene nano particle composite material with high electrical conductivity in the present embodiment, comprises the following steps:

[0103] S1, the AgNO 3 Add PVP (polyvinylpyrrolidone) to deionized water, and supplemented by stirring, to obtain a mixed solution A;

[0104] S2, the NaBH 4 The solution is added to the mixed solution A in the step S1, and supplemented with stirring until the color of the solution changes from transparent to dark yellow, and the stirring is stopped to obtain the mixed solution B;

[0105] S3, performing the first high-speed centrifugation treatment on the mixed solution B in the step S2, drying the precipitate of the mixed solution B after the first high-speed centrifugation treatment, to obtain the first metal nanoparticles;

[0106] S4. Mix the first metal nanoparticles and PEG (polyethylene glycol) in the step S3 and add them into the DMF (dimethylformamide) solution, supplemented b...

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Abstract

The invention relates to the technical field of preparation of graphene composite materials, in particular to a graphene nanoparticle composite material with high conductivity and a preparation methodthereof. According to the graphene nanoparticle composite material with high conductivity disclosed by the invention, nanoparticles and graphene are firmly compounded, so that electron transfer between the graphene and the nanoparticles can be effectively realized, and the graphene nanoparticle composite material has good conductivity and a good application prospect. According to the preparationmethod of the graphene nanoparticle composite material, the prepared graphene nanoparticle composite material has good conductivity, the preparation steps are greatly reduced, the requirements on equipment and instruments are lower, the preparation speed is higher, and good economic benefits are achieved.

Description

Technical field: [0001] The invention relates to the technical field of graphene composite material preparation, in particular to a graphene nanoparticle composite material with high electrical conductivity and a preparation method thereof. Background technique: [0002] Graphene can not only realize basic photoelectric functions, but also integrate light emission, conduction, modulation and detection. In addition, graphene materials are also well compatible with traditional silicon processes, such as optoelectronic device manufacturing processes such as photolithography, electron beam exposure, etc., making graphene materials have good application prospects in hybrid photonic integrated circuits, and also reflect The importance of graphene materials. [0003] Among many graphene and graphene-like materials, graphene composite materials, like graphene materials, exhibit many excellent properties: for example, using graphene as a carrier to load nanoparticles can improve the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/24B22F1/00B82Y30/00B82Y40/00
CPCB22F9/24B82Y30/00B82Y40/00B22F1/054
Inventor 钟祯沈荣波龚修端汪龙生
Owner DONGGUAN POLYTECHNIC
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