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Preparation method of copper oxide nanowire

A technology of copper oxide nanowires and copper salts, applied in copper oxide/copper hydroxide, nanotechnology, nanotechnology, etc., to achieve the effects of cost reduction, high specific surface area, and easy availability

Inactive Publication Date: 2017-01-11
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, copper oxide nanowires at the micro-nano scale have rarely been reported.

Method used

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  • Preparation method of copper oxide nanowire
  • Preparation method of copper oxide nanowire
  • Preparation method of copper oxide nanowire

Examples

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Embodiment 1

[0015] (1) Dissolve 0.05g of polyvinylpyrrolidone (PVP) and 0.5g of urea in 4.5mL of deionized water / 2.5mL of glycerin to obtain solution A. Solution B was obtained by dissolving 2.5 mmol of copper chloride dihydrate (0.4262 g) in 2.5 mL of deionized water. Dissolve 0.5mmol ascorbic acid (0.0189g) in 2.5mL deionized water to obtain solution C;

[0016] (2) First drop solution B into solution A drop by drop while stirring at room temperature, after stirring evenly, drop solution C into the above mixed solution under strong stirring conditions, and pour the mixture into 50mL poly Hydrothermal reaction was carried out at 170°C for 16 hours in a tetrafluoroethylene autoclave.

[0017] (3) After the reaction, the obtained brick-red precipitate was taken out, then alternately centrifuged and washed with distilled water and absolute ethanol, then dried in a vacuum oven at 60°C, and then put into a muffle furnace and calcined at 500°C for 8h to obtain oxidation copper nanowires. Th...

Embodiment 2

[0019] (1) Dissolve 0.05g of polyvinylpyrrolidone (PVP) and 0.5g of urea in 4.5mL of deionized water / 2.5mL of glycerin to obtain solution A. Solution B was obtained by dissolving 2.5 mmol of copper sulfate pentahydrate (0.6242 g) in 2.5 mL of deionized water. Dissolve 0.5mmol ascorbic acid (0.0189g) in 2.5mL deionized water to obtain solution C;

[0020] (2) First drop solution B into solution A drop by drop while stirring at room temperature, after stirring evenly, drop solution C into the above mixed solution under strong stirring conditions, and pour the mixture into 50mL poly Hydrothermal reaction was carried out at 170°C for 16 hours in a tetrafluoroethylene autoclave.

[0021] (3) After the reaction, the obtained brick-red precipitate was taken out, then alternately centrifuged and washed with distilled water and absolute ethanol, then dried in a vacuum oven at 60°C, and then put into a muffle furnace and calcined at 500°C for 8h to obtain oxidation copper nanowires. ...

Embodiment 3

[0023] (1) Dissolve 0.05g of polyvinylpyrrolidone (PVP) and 0.5g of urea in 4.5mL of deionized water / 2.5mL of glycerin to obtain solution A. Solution B was obtained by dissolving 2.5 mmol of copper acetate monohydrate (0.4991 g) in 2.5 mL of deionized water. Dissolve 0.5mmol ascorbic acid (0.0189g) in 2.5mL deionized water to obtain solution C;

[0024] (2) First drop solution B into solution A drop by drop while stirring at room temperature, after stirring evenly, drop solution C into the above mixed solution under strong stirring conditions, and pour the mixture into 50mL poly Hydrothermal reaction was carried out at 170°C for 16 hours in a tetrafluoroethylene autoclave.

[0025] (3) After the reaction, the obtained brick-red precipitate was taken out, then alternately centrifuged and washed with distilled water and absolute ethanol, then dried in a vacuum oven at 60°C, and then put into a muffle furnace and calcined at 500°C for 8h to obtain oxidation copper nanowires.

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Abstract

The invention discloses a preparation method of a copper oxide nanowire. The preparation method comprises the following steps: taking copper salts, ascorbic acid, polyvinyl pyrrolinone, and urea as the raw materials, and distilled water / glycerin as the solvent, carrying out reactions for 12 to 24 hours at a room temperature, subjecting the obtained brick-red precipitate to centrifugation, washing, drying, and calcining the precipitate to obtain the copper oxide nanowire. The used raw materials (copper salts, ascorbic acid, glycerin, polyvinyl pyrrolinone, and urea) are cheap and easily available, the cost is reduced, and the operation steps are simplified. The prepared copper oxide nanowire has a large specific surface area and a potential application value in fields such as photocatalytic dye degradation, gas sensitivity, energy storage, lithium battery, and the like.

Description

technical field [0001] The invention relates to a method for preparing copper oxide, in particular to a method for preparing copper oxide nanowires. Background technique [0002] As an important p-type semiconductor material, copper oxide has a band gap of 1.2-1.5eV, and is one of the few semiconductor materials that can be excited by visible light. It has broad application prospects in photocatalysis, solar cells, sensors, lithium-ion batteries, and magnetic storage. At the same time, cuprous oxide is also an important industrial raw material, which has extensive and important uses in shipbuilding, water treatment, electronics and other industries, as well as in agricultural production. Because the morphology and structure of CuO affect its physical and chemical properties to a large extent, the synthesis of micro-nano CuO with controllable morphology and structure has become a research focus and focus. At present, there have been many reports on the research results of c...

Claims

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Application Information

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IPC IPC(8): C01G3/02B82Y30/00
Inventor 储德清葛歌杨路峰王志龙孙慧娄
Owner TIANJIN POLYTECHNIC UNIV
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