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A kind of preparation method of cuprous phosphide-cuprous oxide composite material

A technology of cuprous oxide and composite materials, which is applied in the field of materials, can solve the problems that the application has not attracted enough attention, and achieve the effects of improving photoluminescence performance, simple preparation, and low cost

Active Publication Date: 2022-04-15
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cuprous phosphide (Cu 3 P) Commonly used as copper solder and catalyst, the application in the field of optics has not yet attracted enough attention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Step (1). 3g of sodium hypophosphite and 3g of spherical copper nanoparticles with a diameter of 30nm are put into a corundum crucible for grinding, and then loaded into a corundum boat with a size of 0.8 cm × 0.6 cm × 6 cm;

[0017] Step (2). Put the product of step (1) into the corundum tube, and after vacuuming, fill it with argon gas of 1 atmosphere, and then seal the two ends of the corundum tube; the diameter of the corundum tube is 2cm;

[0018] Step (3). Heat the product of step (2) to 280°C through a tube furnace at a heating rate of 10°C / min; keep warm after the temperature rises to 280°C for 30min; then cool naturally to room temperature, pump out the corundum tube Remove the residual gas in the tube by vacuum, and then take out the product;

[0019] Step (4). Pour the product prepared in step (3) into a 100ml beaker, then add deionized water, stir, and then centrifuge and settle to separate to obtain a precipitate. The precipitate is repeatedly washed with d...

Embodiment 2

[0022] Step (1). Put sodium hypophosphite 4g and 2g diameter 40nm spherical copper nanoparticles into a corundum crucible for grinding, then pack into a corundum boat;

[0023] Step (2). Put the product of step (1) into the corundum tube, after vacuuming, fill it with argon gas of 1 atmosphere, and then seal the two ends of the corundum tube;

[0024] Step (3). Heat the product of step (2) to 290°C through a tube furnace at a heating rate of 10°C / min; keep warm after the temperature rises to 290°C for 50min; then cool naturally to room temperature, pump the corundum tube Vacuum (with tail gas purification equipment) to remove the residual gas in the tube, and then take out the product;

[0025] Step (4). Pour the product prepared in step (3) into a 100ml beaker, then add deionized water, stir, and then centrifuge and settle to separate to obtain a precipitate. The precipitate is repeatedly washed with deionized water and centrifuged twice to obtain clean sediment.

[0026] S...

Embodiment 3

[0028] Step (1). 6 g of sodium hypophosphite and 1 g of spherical copper nanoparticles with a diameter of 50 nm are put into a corundum crucible for grinding, and then loaded into a corundum boat (0.8 cm × 0.6 cm × 6 cm);

[0029] Step (2). Put the product of step (1) into the corundum tube, after vacuuming, fill it with argon gas of 1 atmosphere, and then seal the two ends of the corundum tube;

[0030] Step (3). Heat the product of step (2) to 300°C through a tube furnace at a heating rate of 10°C / min; keep warm after the temperature rises to 300°C for 60min; then cool naturally to room temperature, pump out the corundum tube Vacuum (with tail gas purification equipment) to remove the residual gas in the tube, and then take out the product;

[0031] Step (4). Pour the product prepared in step (3) into a 100ml beaker, then add deionized water, stir, and then centrifuge and settle to separate to obtain a precipitate. The precipitate is repeatedly washed with deionized water an...

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Abstract

The invention discloses a method for preparing a cuprous phosphide-cuprous oxide composite material. The invention first synthesizes nano-cuprous phosphide, and then wraps a layer of cuprous oxide on its outside to form a core-shell structure (Cu 3 P@Cu 2 O) Composite material; cuprous oxide of the present invention grows on the surface of nano cuprous phosphide to form a core-shell structure, and this structure improves the photoluminescence performance of the material. In addition, the method is simple to prepare and low in cost.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a method for preparing a cuprous phosphide-cuprous oxide core-shell composite material. Background technique [0002] Cuprous phosphide (Cu 3 P) is commonly used as copper solder and catalyst, and its application in the optical field has not attracted enough attention. As a p-type semiconductor material, and p-type semiconductor cuprous oxide (Cu 2 O) After compounding, it can be used as a photoluminescent material. The mechanism of the material affects the performance of the material. This patent designs and prepares a core-shell structure cuprous phosphide-cuprous oxide composite material (Cu 3 P@Cu 2 O), the material can emit near-infrared light under the excitation of ultraviolet or visible light. Contents of the invention [0003] According to the deficiencies of the prior art, the present invention proposes a method for preparing a cuprous phosphide-cup...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G3/02C01B25/08
CPCC01G3/02C01B25/08C01P2004/80
Inventor 彭雪吕燕飞蔡庆锋赵士超
Owner HANGZHOU DIANZI UNIV
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