Preparation method of nanomaterial and mica composite multilayer structure

A technology of nanomaterials and multilayer structures, applied in nanotechnology, nanotechnology, chemical instruments and methods, etc., can solve problems that have not yet been raised, and achieve the effects of easy mass production, low cost, and environmental protection

Active Publication Date: 2017-12-26
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the method of preparing nanomaterials and mica composite multilayer structure is of great significance, and this method has not yet been proposed

Method used

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  • Preparation method of nanomaterial and mica composite multilayer structure
  • Preparation method of nanomaterial and mica composite multilayer structure
  • Preparation method of nanomaterial and mica composite multilayer structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Heat the phlogopite sheet in an annealing furnace to make it layered, the heating temperature is 700°C, and the heating time is 3h.

[0024] (2) Deposit MoO without difference in each layer of the layered mica sheet obtained in step (1) by means of vapor deposition 3 Thin layer material with a thickness of 2nm;

[0025] (3) MoO is all deposited on each layer of mica obtained in step (2) 3 The composite material of the thin-layer material is placed in a tube furnace, and sulfur powder is pushed in at high temperature to generate sulfur vapor for high-temperature gas-solid reaction to prepare layered MoS 2 Composite multilayer structure formed with mica.

Embodiment 2

[0027] (1) Heat the phlogopite sheet in an annealing furnace to make it layered, the heating temperature is 800°C, and the heating time is 1h.

[0028] (2) Utilize vapor deposition means to deposit TiO without difference in each layer of gaps in the layered mica sheets obtained in step (1) 2 Thin layer material with a thickness of 10nm;

[0029] (3) TiO is all deposited on each layer of mica obtained in step (2) 2 The composite material of the thin-layer material is placed in a tube furnace, and sulfur powder is pushed in at high temperature to generate sulfur vapor for high-temperature gas-solid reaction to prepare layered TiS 2 Composite multilayer structure formed with mica.

Embodiment 3

[0031] (1) Heat the phlogopite sheet in an annealing furnace to make it layered, the heating temperature is 600°C, and the heating time is 2h.

[0032] (2) Utilize vapor deposition means to deposit ZnO thin-layer material without difference in each layer of the gap of the layered mica sheet gained in step (1), with a thickness of 50nm;

[0033] (3) Put the composite material with ZnO thin layer material deposited on each layer of mica obtained in step (2) into a tube furnace, push in sulfur powder at high temperature to generate sulfur vapor to carry out high-temperature gas-solid reaction, and prepare a layer A composite multilayer structure formed of ZnS and mica.

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Abstract

The invention discloses a preparation method of a nano-material and mica composite multilayered structure. According to the method, mica is layered by controlling temperature and time; then, an oxide reactant of 2-50 nm thick is prepared in the mica layers by vapor deposition; and finally, a hydrothermal reaction or a high temperature gas-solid reaction is carried out to obtain a metal sulfide or oxide nano-material and mica composite multilayered structure. The invention has the following advantages: preparation conditions are controllable; cost is low; yield is high; operation is simple and convenient; and three-dimensional structure compounding can be realized. The invention has a wide application prospect in fields of nano-electronic devices, catalysis and the like.

Description

technical field [0001] The invention relates to the technical field of preparation of micro-nano materials, in particular to a preparation method of a nano-material composite multilayer structure. Background technique [0002] Since the rise of micro-nano materials in the 1980s, people have paid great attention to the preparation and research of micro-nano materials. They have great potential in structural materials, optical materials, hydrogen storage materials, catalytic materials, gas-sensitive materials, biomedicine, semiconductor optoelectronic materials, etc. Wide range of applications, it can be said that the rise and development of micro-nano materials have changed people's lives. The preparation of composite structures composed of micro-nano materials and other materials has also received extensive research and attention in recent years, which is of great significance for the improvement and optimization of their properties. [0003] Mica is the most widely distrib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G39/06C01B33/42C01G23/00C01G9/08C01G41/00C01G9/03C01G23/07B82Y30/00
CPCC01G9/03C01G9/08C01G23/007C01G23/07C01G39/06C01G41/00C01P2004/80
Inventor 王书霞陈鑫陈志民张天宁孙艳戴宁
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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