Preparation method of layered nanoscale material

A layered nanomaterial, two-dimensional layered technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve problems such as polluted environment and complex preparation process, and achieve uniform morphology, The method is simple and easy to implement, and the structure is regular

Inactive Publication Date: 2016-06-22
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
2 Cites 23 Cited by

AI-Extracted Technical Summary

Problems solved by technology

The material preparation process involved in this method is relatively complicated, and su...
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Abstract

The invention discloses a layered nanoscale material and a preparation method of a composite material thereof. The preparation method comprises the following three steps: firstly, uniformly mixing a layered polymer and a precursor of a layered material to be synthesized, and polymerizing the layered polymer precursor to obtain a layered compound; secondly, using the layered compound as a two-dimensional nanoreactor, and synthesizing the layered nanoscale material and its composite material through a nucleation growth mode under confinement and induction action of the two-dimensional confinement space; and finally, decomposing the layered polymer through high-temperature treatment to obtain the required layered material and its nanocomposite. The method has wide universality. The nanocomposite of the layered material containing graphene, doped graphene and transition metal carbide, nitride, phosphide, sulfide and boride can be prepared. The method is simple and feasible. The prepared layered material has a neat structure and has potential application value in application fields of catalysis, energy storage and the like.

Application Domain

Material nanotechnology

Technology Topic

Cvd grapheneNucleation growth +15

Image

  • Preparation method of layered nanoscale material
  • Preparation method of layered nanoscale material
  • Preparation method of layered nanoscale material

Examples

  • Experimental program(6)

Example Embodiment

[0031] Example 1:
[0032] A preparation method of CoP/graphene material includes the following steps:
[0033] (a) Add nitrile amine, rock sugar and cobalt trichloride at a molar ratio of 40:1:0.001 to 95°C deionized water, and stir until completely dissolved to obtain a mixed solution;
[0034] (b) Add phosphoric acid to the mixed solution described in step (a), the molar ratio of phosphate to nitrile amine is 1:1, stir until the mixture is uniform, and then the mixture is dried by rotary evaporation;
[0035] (c) In a tube furnace, under the protection of nitrogen, heat up to 600°C at 5°C/min for 2 hours, and then heat up to 900°C at 5°C/min for 2 hours. After cooling, take out CoP/ Graphene composite material.
[0036] The prepared materials such as figure 1 As shown, the material is macroscopically in a block structure, with the layers peeled off, and the load is on top of the layers.

Example Embodiment

[0037] Example 2:
[0038] A preparation method of MoP/graphene material includes the following steps:
[0039] (a) Add urea, glucose and molybdenum pentachloride in a molar ratio of 30:1:0.05 to 95°C deionized water, and stir until completely dissolved to obtain a mixed solution;
[0040] (b) Add phosphoric acid to the mixed solution described in step (a), the molar ratio of phosphate to urea is 1:0.5, stir until the mixture is uniform, and then the mixture is dried by rotary evaporation;
[0041] (c) In a tube furnace, under the protection of nitrogen, heat up to 600°C at 5°C/min for 2 hours, and then heat up to 900°C at 5°C/min for 2 hours. After cooling, take out MnP/ Graphene composite material.
[0042] The prepared materials such as figure 2 As shown, the material as a whole presents a neatly arranged peeling sheet structure, with uniform and fine nanoparticles loaded on it.

Example Embodiment

[0043] Example 3:
[0044] A preparation method of NiP/graphene composite material includes the following steps:
[0045] (a) Add urea, glucose and nickel dichloride in a molar ratio of 30:1:0.05 to 95°C deionized water, and stir until completely dissolved to obtain a mixed solution;
[0046] (b) Add phosphoric acid to the mixed solution described in step (a), the molar ratio of phosphate to urea is 1:0.5, stir until the mixture is uniform, and then the mixture is dried by rotary evaporation;
[0047] (c) In a tube furnace, under the protection of nitrogen, heat up to 600°C at 5°C/min for 2 hours, and then heat up to 900°C at 5°C/min for 2 hours. After cooling, take out NiP/ Graphene composite material.
[0048] The prepared materials such as image 3 As shown, the material as a whole presents a neatly arranged peeling sheet structure, with uniform and fine nanoparticles loaded on it.

PUM

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