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A nanoporous copper-loaded ultrafine copper oxide nanowire composite material and its preparation method and application

A technology of copper oxide nanowires and nanoporous copper, which is applied in anodic oxidation and other directions, can solve the problems of easy agglomeration, difficult recycling, secondary pollution, etc., and achieve the effect of avoiding easy agglomeration and enriching porosity

Active Publication Date: 2019-03-19
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of powder visible photocatalytic materials in the current technology, which are easy to agglomerate, difficult to recycle, and likely to cause secondary pollution; the copper oxide nanowires in the porous copper oxide nanowire composite material supported by foamed copper are relatively thick and easy to break, and provide A nanoporous copper-loaded ultrafine copper oxide nanowire composite material and its preparation method and application

Method used

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  • A nanoporous copper-loaded ultrafine copper oxide nanowire composite material and its preparation method and application
  • A nanoporous copper-loaded ultrafine copper oxide nanowire composite material and its preparation method and application
  • A nanoporous copper-loaded ultrafine copper oxide nanowire composite material and its preparation method and application

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Embodiment 1

[0033] Select alloy composition Cu 50 Zr 45 al 5 , according to the atomic percentage of each element in the target alloy: Cu is 50at.%, Zr is 45at.%, Al is 5at.%, take high-purity copper sheet (6.425g) that mass fraction is 99.99%, zirconium particle (8.302 g) and aluminum flakes (0.273g) to obtain 15g of the master alloy raw material; the master alloy raw material is placed in a vacuum arc melting furnace (putting 99.9wt% pure titanium grains into the oxygen-scavenging material before smelting), under the protection of high-purity argon Repeated smelting for 4 times (to ensure the uniformity of the alloy), about 40s each time. Cool down to room temperature with the furnace to get Cu 50 Zr 45 al 5 alloy ingot.

[0034] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, conduct induction melting under the protection of high-purity argon, and m...

Embodiment 2

[0041] Select alloy composition Cu 50 Zr 45 al 5 , according to the atomic percentage of each element in the target alloy: Cu is 50at.%, Zr is 45at.%, Al is 5at.%, take high-purity copper sheet (6.425g) that mass fraction is 99.99%, zirconium particle (8.302 g) and aluminum flakes (0.273g) to obtain 15g of the master alloy raw material; the master alloy raw material is placed in a vacuum arc melting furnace (putting 99.9wt% pure titanium grains into the oxygen-scavenging material before smelting), under the protection of high-purity argon Repeated smelting for 4 times (to ensure the uniformity of the alloy), about 40s each time. Cool down to room temperature with the furnace to get Cu 50 Zr 45 al 5 alloy ingot.

[0042] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, conduct induction melting under the protection of high-purity argon, and m...

Embodiment 3

[0049] Select alloy composition Cu 50 Zr 45 al 5 , according to the atomic percentage of each element in the target alloy: Cu is 50at.%, Zr is 45at.%, Al is 5at.%, take high-purity copper sheet (6.425g) that mass fraction is 99.99%, zirconium particle (8.302 g) and aluminum flakes (0.273g) to obtain 15g of the master alloy raw material; the master alloy raw material is placed in a vacuum arc melting furnace (putting 99.9wt% pure titanium grains into the oxygen-scavenging material before smelting), under the protection of high-purity argon Repeated smelting for 4 times (to ensure the uniformity of the alloy), about 40s each time. Cool down to room temperature with the furnace to get Cu 50 Zr 45 al 5 alloy ingot.

[0050] Take 2-3g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into a vacuum belt throwing machine and fix it in the induction coil, conduct induction melting under the protection of high-purity argon, and m...

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Abstract

The invention discloses a nano-porous copper loaded ultrafine oxide copper nanowire composite material and a preparation method and application thereof. The material is a rod, and comprises an amorphous basal body, nano-porous copper covering the amorphous basal body, and ultrafine copper oxide nanowires loaded on the surface of the nano-porous copper; the amorphous basal body is CuxZryAlz alloy component, wherein x, y and z are atomic percents; x is not bigger than 50 and not smaller than 45, y is not bigger than 50 and not smaller than 45, z is not bigger than 10 and not smaller than 5; x+y+z is 100; the nano-porous copper has the layer thickness of 85-135 microns, the ligament width of 118-138 nm and the aperture size of 30-100 nm; the nanowires are 4-10 microns long and 5-15 nm wide; and every 20-30 nanowires are clustered as one bundle. The copper oxide nanowires are constructed on the nano-scale basal body for the first time. Nanowire copper oxide is tightly combined with the surface of the nano-porous copper metal, so that the prepared material achieves efficient photocatalytic degradation of organic dye.

Description

Technical field: [0001] The invention relates to the technical field of copper oxide materials, in particular to a nanoporous copper-supported ultrafine copper oxide nanowire composite material, a preparation method and application thereof. Background technique: [0002] Due to industrialization and population increase in recent years, various environmental problems, especially the pollution of aquatic biological systems, have become urgent problems to be solved internationally. The Advanced Oxidation Process (AOP) can rapidly degrade various insoluble organic substances in sewage. AOP includes ozonation, photocatalysis and Fenton's method. Photocatalysis is a relatively new interdisciplinary field. Semiconductor photocatalysis as a cost-effective and green technology provides a new route for environmental purification and solar energy conversion. Among various semiconductors, copper oxide (CuO) has a narrow bandgap (about 1.2eV) and good electrochemical activity because ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D11/34C22C45/00C22C1/08C22C1/02
CPCC22C1/02C22C1/08C22C45/001C25D11/34
Inventor 秦春玲李曼张倩王志峰朱墨赵维民
Owner HEBEI UNIV OF TECH
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