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Method for preparing copper sulphide nanosheet

A technology of copper sulfide and nanosheets, which is applied in the direction of copper sulfide and nanotechnology, can solve the problems of difficult control of product size and shape, harsh high-temperature reaction conditions, and complicated preparation process, and achieve simple equipment, low cost, and simple operation Effect

Inactive Publication Date: 2012-09-26
CHONGQING UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods have deficiencies to a certain extent, such as the size and shape of the product are difficult to control; the yield is not high; the high temperature reaction conditions are harsh or the preparation process is relatively complicated and the cost is relatively high.

Method used

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  • Method for preparing copper sulphide nanosheet
  • Method for preparing copper sulphide nanosheet
  • Method for preparing copper sulphide nanosheet

Examples

Experimental program
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Effect test

Embodiment 1

[0024] The method for preparing copper sulfide nanosheets in this embodiment includes the following steps:

[0025] 1) Weigh 0.45g copper chloride and 0.1g polyvinylpyrrolidone and dissolve in 100ml deionized water to prepare solution A; Weigh 0.6g thioacetamide and dissolve in 50ml deionized water to prepare solution B;

[0026] 2) Mix 100ml of solution A and 50ml of solution B as a reaction solution, and put the reaction solution in a water bath at 90°C for 2 hours to obtain copper sulfide nanosheets;

[0027] 3) After the water bath reaction, centrifuge the suspension reaction solution, and then wash the precipitate with deionized water and absolute ethanol;

[0028] 4) Place the precipitate in a vacuum drying oven at 50°C for drying for 5 hours, and finally obtain black copper sulfide powder.

[0029] Add a certain amount of surfactant polyvinylpyrrolidone to the copper chloride solution, the purpose is to control the morphology of the product, while also playing a role in preventin...

Embodiment 2

[0031] The method for preparing copper sulfide nanosheets in this embodiment includes the following steps:

[0032] 1) Weigh 0.45g copper chloride and 0.05g β-cyclodextrin and dissolve in 100ml deionized water to prepare solution A; Weigh 0.6g thioacetamide and dissolve in 50ml deionized water to prepare solution B;

[0033] 2) Mix 100ml of solution A and 50ml of solution B as a reaction solution, and put the reaction solution in a water bath at 80°C for 2 hours to obtain copper sulfide nanosheets;

[0034] 3) After the water bath reaction, centrifuge the suspension reaction solution, and then wash the precipitate with deionized water and absolute ethanol;

[0035] 4) Place the precipitate in a vacuum drying oven at 50°C for drying for 5 hours, and finally obtain black copper sulfide powder.

[0036] Add a certain amount of surfactant β-cyclodextrin to the copper chloride solution, the purpose is to control the morphology of the product, while also playing a role in preventing particle ...

Embodiment 3

[0038] The method for preparing copper sulfide nanosheets in this embodiment includes the following steps:

[0039] 1) Weigh 0.45g copper chloride and 0.75g sodium dodecylbenzene sulfonate dissolved in 100ml deionized water to prepare solution A; weigh 0.6g thioacetamide and dissolve in 50ml deionized water to prepare solution B;

[0040] 2) Mix 100ml of solution A and 50ml of solution B as a reaction solution, and put the reaction solution in a water bath at 90°C for 2 hours to obtain hexagonal copper sulfide nanosheets;

[0041] 3) After the water bath reaction, centrifuge the suspension reaction solution, and then wash the precipitate with deionized water and absolute ethanol;

[0042] 4) The precipitate is dried in a vacuum drying oven at 40°C for 6 hours to obtain black copper sulfide powder.

[0043] Add a certain amount of surfactant sodium dodecylbenzene sulfonate to the zinc acetate solution, the purpose is to control the morphology of the product, while also playing a role in ...

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Abstract

The invention discloses a method for preparing a copper sulphide nanosheet, comprising the following steps of: dissolving copper chloride and surfactant in deionized water to prepare a solution A; and dissolving thioacetamide in the deionized water to prepare a solution B; 2) mixing two solutions, i..e. the solution A and the solution B serving as a reaction solution to carry out water bath reaction to prepare a hexagon copper sulphide nanosheet; and controlling the side length of the copper sulphide nanosheet to be between 55 and 140nm and the thickness to be between 8 and 20nm through controlling a reaction condition. The method has the characteristics of easiness in acquisition of raw materials, simple equipment, low cost, simplicity in operation, effectiveness, quickness and the like; and the prepared copper sulphide nanosheet is ordered in appearance, high in dispersibility, yield rate and stability, controllable in sizes and suitable for large-scale industrial production. The prepared copper sulphide nanometer material has wide application prospect in the fields of light-emitting diodes, photochemical catalysts, flourescent materials, electrochemical batteries, sensors, lasers, solar batteries and the like.

Description

Technical field [0001] The invention belongs to the technical field of nano material preparation, and specifically relates to a preparation method of copper sulfide nanosheets. Background technique [0002] Copper sulfide is an important transition metal sulfide and a multifunctional semiconductor material with good chemical stability. Nano copper sulfide powder has a small particle size and a large specific surface area. Due to the quantum size effect, surface effect and macro quantum tunneling effect, its semiconductor nanocrystals act as a medium for conducting electrons between molecular entities and microcrystalline grains, and have their bulk The photoelectric properties of the material are incomparable, so copper sulfide nanopowder is an important photoconductive material, which is widely used in light-emitting diodes, photocatalysts, fluorescent materials, electroluminescent devices, electrochemical cells, sensors, lasers and solar cells And other fields have received wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G3/12B82Y40/00
Inventor 吴会杰田亮亮李庆
Owner CHONGQING UNIV OF ARTS & SCI
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