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Preparation method of octahedral cuprous oxide micron-crystalline with uniform morphology

A cuprous oxide and octahedral technology, applied in copper oxide/copper hydroxide and other directions, can solve the problems of cumbersome and complex process, and achieve the effects of simple production equipment, high product purity and good dispersion.

Active Publication Date: 2018-12-28
HUAIYIN TEACHERS COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It can be seen that the technical process is still relatively complicated and cumbersome for the reports on polyhedral cuprous oxide crystals in the prior art

Method used

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  • Preparation method of octahedral cuprous oxide micron-crystalline with uniform morphology

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Experimental program
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Effect test

Embodiment 1

[0019] Example 1: Preparation of cuprous oxide microcrystals with octahedral uniform morphology according to the following steps

[0020] (1) Set the reaction temperature to 20°C, add boric acid to the copper sulfate aqueous solution with a concentration of 0.01mol / L, and stir to obtain a clear mixed solution;

[0021] (2) Add ascorbic acid to the mixed solution at one time, control the molar ratio of boric acid, divalent copper salt and ascorbic acid to 2:1:2.5, and the whole reaction process is carried out under stirring at 300 rpm; after 60 minutes of reaction, the obtained product Centrifuge, wash, and dry to obtain cuprous oxide microcrystals with octahedral uniform shape.

Embodiment 2

[0022] Example 2: Preparation of cuprous oxide microcrystals with octahedral uniform morphology according to the following steps

[0023] (1) Set the reaction temperature to 30°C, add boric acid to an aqueous copper chloride solution with a concentration of 0.015mol / L, and stir to obtain a clear mixed solution;

[0024] (2) Add ascorbic acid to the mixed solution at one time, and control the molar ratio of boric acid, divalent copper salt and ascorbic acid to 5:1:2.5. The whole reaction process is carried out under stirring at 300 rpm; after 40 minutes of reaction, the obtained product Centrifuge, wash, and dry to obtain cuprous oxide microcrystals with octahedral uniform shape.

Embodiment 3

[0025] Example 3: Preparation of cuprous oxide microcrystals with octahedral uniform morphology according to the following steps

[0026] (1) Set the reaction temperature to 40°C, add boric acid to the copper acetate aqueous solution with a concentration of 0.02 mol / L, and stir to obtain a clear mixed solution;

[0027] (2) Add ascorbic acid to the mixed solution at one time, and control the molar ratio of boric acid, divalent copper salt and ascorbic acid to 8:1:2.5. The whole reaction process is carried out under stirring at 300 rpm; after 20 minutes of reaction, the obtained product is Centrifuge, wash, and dry to obtain cuprous oxide microcrystals with octahedral uniform shape.

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Abstract

The invention discloses a preparation method of an octahedral cuprous oxide micron-crystalline with uniform morphology and belongs to the field of micro-nanoMaterial preparation. The preparation method of the octahedral cuprous oxide micron-crystalline with the uniform morphology comprises the steps of dissolving a certain amount of bivalent copper salt and structure-directing agent boracic acid in deionized water to form a mixed solution; and then adding an appropriate amount of reducing agent ascorbic acid to the mixed solution; and centrifuging, washing and drying a product to obtain the octahedral cuprous oxide micron-crystalline with the uniform morphology. The preparation method of the octahedral cuprous oxide micron-crystalline with the uniform morphology, disclosed by the invention, has the advantages of simple operation, short reaction time, uniform particle size of the obtained octahedral cuprous oxide and good dispersion property.

Description

technical field [0001] The invention relates to the field of preparation of micro-nano materials, in particular to a preparation method for synthesizing cuprous oxide microcrystals with uniform octahedral morphology by using boric acid as a structure-directing agent. Background technique [0002] Cuprous oxide, as an important class of p-type transition metal oxides, exhibits excellent physical and chemical properties in the fields of catalysis, gas sensing, and electricity, so it is widely used in important fields such as photocatalysts, gas sensing elements, and solar cells. field. [0003] The application performance of cuprous oxide is closely related to its morphology and structure. In recent years, the synthesis of cuprous oxide materials with different morphologies, especially cuprous oxide materials with polyhedral structures, has attracted widespread attention. Sun Zuosong (CN105129835B) dissolved the inorganic copper salt in the solvent, then added additives, add...

Claims

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Application Information

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IPC IPC(8): C01G3/02
CPCC01G3/02C01P2004/03C01P2004/41C01P2004/61
Inventor 程志鹏褚效中殷竟洲周翔戴本林赵伟仲慧张莉莉徐继明
Owner HUAIYIN TEACHERS COLLEGE
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