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Controllable preparation method of CuO nanocrystalline materials with different morphological structures

A nanocrystalline material and nanocrystalline technology, applied in nanotechnology, nanotechnology, nanotechnology and other directions for materials and surface science, can solve the problems of single material morphology and structure, achieve cheap and easy availability of raw materials, and reduce production costs. and efficiency, the effect of simple preparation process

Active Publication Date: 2020-11-27
WUHAN UNIV
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  • Description
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  • Application Information

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Problems solved by technology

[0006] Based on the above deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a controllable preparation method for CuO nanocrystalline materials with different morphology and structures with good processing effect. The control preparation method can overcome the problem of single morphology and structure of the material prepared by the existing technology, and can selectively control the synthesis of CuO nanocrystals with different shapes and structures only by changing the reaction condition parameters, and at the same time meet the simple reaction process, short cycle, High efficiency, low cost of raw materials and other requirements

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  • Controllable preparation method of CuO nanocrystalline materials with different morphological structures
  • Controllable preparation method of CuO nanocrystalline materials with different morphological structures
  • Controllable preparation method of CuO nanocrystalline materials with different morphological structures

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[0029] Such as figure 1 As shown, the controllable preparation method of CuO nanocrystalline materials with different morphological structures provided by the embodiments of the present invention includes the following steps:

[0030] S1, preparation of CuSO 4 electrolyte;

[0031] S2, making a growth substrate;

[0032] S3, preparing CuO nanocrystals;

[0033] S4, post-processing.

Embodiment 1

[0035] S1, preparation of CuSO 4 electrolyte;

[0036] Specifically: weigh 5g of copper sulfate pentahydrate crystals with an electronic balance and add them to a beaker, then weigh 0.5g of NaCl solids and add them to a beaker, then weigh 0.7g of gelatin solids and add them to a beaker, then use a measuring cylinder to measure 50ml of distilled water, Add distilled water into the beaker along the inner wall of the beaker, and stir with a glass rod while adding to obtain CuSO 4 electrolyte.

[0037] S2: making a growth substrate;

[0038]Specifically: put a copper disc with a diameter of 15mm and a thickness of 1.5mm into a resistance furnace, set the temperature of the resistance furnace to 500°C, and set the time range to 1.5h. Put the copper disc into the ultrasonic cleaner, set the working time of the ultrasonic cleaner to 4min, the cleaning temperature to 30°C, and the power to 100%.

[0039] S3: preparing CuO nanocrystals;

[0040] Specifically: the CuSO obtained in ...

Embodiment 2

[0044] S1, preparation of CuSO 4 electrolyte;

[0045] Specifically: weigh 5g of copper sulfate pentahydrate crystals with an electronic balance and add them to a beaker, then weigh 0.5g of NaCl solids and add them to the beaker, then weigh 0.7g of gelatin solids and add them to the beaker, then measure 50ml of distilled water with a graduated cylinder, Add distilled water into the beaker along the inner wall of the beaker, and stir with a glass rod while adding to obtain CuSO 4 electrolyte.

[0046] S2: making a growth substrate;

[0047] Specifically: put a copper disc with a diameter of 15mm and a thickness of 1.5mm into a resistance furnace, set the temperature of the resistance furnace to 500°C, and set the time range to 1.5h. Put the copper disc into the ultrasonic cleaner, set the working time of the ultrasonic cleaner to 4min, the cleaning temperature to 30°C, and the power to 100%.

[0048] S3: preparing CuO nanocrystals;

[0049] Specifically: the CuSO obtained ...

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Abstract

The invention discloses a controllable preparation method of CuO nanocrystalline materials with different morphological structures, which comprises the following steps: preparing CuSO4 electrolyte which is prepared by dissolving copper sulfate pentahydrate crystals, NaCl solid and gelatin solid in distilled water; a growth substrate is manufactured, the growth substrate is a round copper sheet, annealing treatment is conducted on the round copper sheet, and then ultrasonic treatment is conducted; CuO nanocrystals are prepared, an electrolytic reaction tank is prepared, and an electrolytic process begins; and post-treatment is carried out, and cleaning and drying are carried out on the growth substrate on which the CuO nanocrystalline grows. Compared with other preparation methods, the method provided by the invention can be used for preparing a plurality of CuO nanocrystals with different morphologies (sheet shapes and microsphere shapes) and structural sizes under the conditions of not introducing additives and only changing reaction condition parameters, and is simple in process flow, low in raw material cost, short in production period and high in efficiency.

Description

technical field [0001] The invention relates to the field of preparation methods of CuO, in particular to a controllable preparation method of CuO nanocrystalline materials with different morphological structures. Background technique [0002] Copper oxide is a p-type semiconductor oxide with a narrow band gap. Ordinary copper oxide is mainly used as a colorant and pigment for ceramics, enamel, and glass to manufacture artificial gemstones, ceramic glazes, and colored glass. When the size of copper oxide powder reaches the nanoscale, due to its small size effect and macroscopic quantum tunneling effect, surface effect, and volume effect, it will show unique properties. Nano-copper oxide materials are typical metal oxide semiconductor nanomaterials. They are used in gas sensors, lithium battery electrode materials, solar cells, catalytic reactions, and biopharmaceuticals. , Environmental treatment and many other aspects have good applications. [0003] In recent years, scie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G3/02B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01G3/02C01P2004/03C01P2004/20C01P2004/32
Inventor 刘晓伟杨宝朔
Owner WUHAN UNIV
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