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Nano-porous copper oxide/copper oxide nanowire composite structure and preparation method thereof

A technology of copper oxide nanowires and nanoporous copper, which is applied in the field of semiconductor nano-metal oxide preparation, can solve the problems of complex preparation process and achieve the effect of simple preparation process

Inactive Publication Date: 2018-05-04
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its preparation method is based on micro-porous copper foam as the skeleton, and is prepared by anodic oxidation and calcination process, and the preparation process is relatively complicated.

Method used

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  • Nano-porous copper oxide/copper oxide nanowire composite structure and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Pre-set the heating temperature on the heating platform to 250°C, and after the heating platform rises from room temperature to 250°C in the air, immediately place nanoporous copper (specific surface area 3.0㎡ / g) on ​​the heating platform for 1 hour and then naturally Cool to room temperature to make copper oxide nanowires grow in the pore wall of nanoporous copper oxide, that is, nanoporous copper oxide / copper oxide nanowire composite structure, the specific surface area is 4.8㎡ / g, the diameter of the nanowire is 5-15nm, the length 20-200nm.

Embodiment 2

[0025] Pre-set the heating temperature on the heating platform as 260°C. After the heating platform rises from room temperature to 260°C in the air, immediately place nanoporous copper (specific surface area 3.0㎡ / g) on ​​the heating platform for 1 hour and then naturally Cool to room temperature, make copper oxide nanowire grow in the pore wall of nanoporous copper oxide, obtain nanoporous copper oxide / copper oxide nanowire composite structure, see figure 1 , the specific surface area is 5.0㎡ / g, the nanowire diameter is 8-18nm, and the length is 70-250nm.

Embodiment 3

[0027] Preset the heating temperature on the heating platform to 270°C. After the heating platform rises from room temperature to 270°C in the air, immediately place nanoporous copper (specific surface area 3.0㎡ / g) on ​​the heating platform for 1 hour and then naturally Cool to room temperature to make copper oxide nanowires grow in the pore wall of nanoporous copper oxide, and obtain nanoporous copper oxide / copper oxide nanowire composite structure, with a specific surface area of ​​4.9㎡ / g, a nanowire diameter of 8-18nm, and a length of 30-300nm.

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Abstract

The invention discloses a nano-porous copper oxide / copper oxide nanowire composite structure, the nano-porous copper oxide / copper oxide nanowire composite structure comprises matrix, the copper oxidenanowire is grown in the hole wall of the matrix, the matrix is nano-porous copper oxide. The invention also discloses a preparation method of the nano-porous copper oxide / copper oxide nanowire composite structure, the composite structure disclosed in the invention realizes the low-temperature and thermal oxide growth of copper oxide nanowire in the hole wall of the nano-porous copper oxide, and has the advantages that porosity is high, specific surface area is large and surface activity is high.

Description

technical field [0001] The invention belongs to the technical field of semiconductor nano metal oxide preparation, and relates to a nanoporous copper oxide / copper oxide nanowire composite structure, and also relates to a preparation method of the composite structure. Background technique [0002] Copper oxide is an important p-type semiconductor material with a band gap of 1.2eV, and has important application prospects in the fields of sensing, catalysis, and battery electrodes. The nanoporous copper oxide / copper oxide nanowire composite structure prepared by thermal oxidation of nanoporous copper has the characteristics of high porosity, large specific surface area, and high surface activity, which can further improve the application of copper oxide in the fields of catalysis and sensing. Advantage. [0003] In the prior art, the Chinese patent (patent number: ZL201710021434.3, patent name: a copper foam supported porous copper oxide nanowire composite material and its pre...

Claims

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Application Information

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IPC IPC(8): C01G3/02B82Y40/00
CPCB82Y40/00C01G3/02C01P2004/16C01P2004/64C01P2006/12
Inventor 杨卿楚思清
Owner XIAN UNIV OF TECH
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