CN109628981A - A kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material - Google Patents
A kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material Download PDFInfo
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- CN109628981A CN109628981A CN201910036521.5A CN201910036521A CN109628981A CN 109628981 A CN109628981 A CN 109628981A CN 201910036521 A CN201910036521 A CN 201910036521A CN 109628981 A CN109628981 A CN 109628981A
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- nanoporous
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- composite material
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- shell composite
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
Abstract
The invention discloses a kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material, using nano porous copper as working electrode, with saturated calomel electrode (SCE) for reference electrode, using platinum electrode as auxiliary electrode, the working electrode, reference electrode and auxiliary electrode are placed in electrolyte, apply voltage in the electrolytic solution, for a period of time to anodic oxidation, obtains nanoporous Cu/Cu2O core-shell composite material.Nanoporous Cu/Cu prepared by the present invention2O core-shell composite material has the characteristics that three-dimensional co-continuous nanoporous core-shell structure, high surface.
Description
Technical field
The invention belongs to semiconductor nano metal oxide preparation technical fields, and in particular to a kind of nanoporous Cu/
Cu2The preparation method of O core-shell composite material.
Background technique
Cuprous oxide (Cu2It O) is a kind of important p-type semiconductor material, forbidden bandwidth 2.1eV, low-dimensional and nano oxygen
Change cuprous with important application prospects in fields such as sensing, catalysis, battery, electrodes.On this basis, nanoporous Cu/
Cu2O core-shell composite material also has many characteristics, such as three-dimensional co-continuous nanoporous core-shell structure, high surface, can be further
Cuprous oxide is improved in the application advantage in the fields such as catalysis, sensing.
Liquid phase process is needed in the cuprous particle of copper surface deposited oxide or film using a variety of chemical reagent in the prior art,
Preparation process is complicated；Thermal oxidation process is needed in copper Surface Creation cuprous oxide using heating equipment, and bad control is heated
Temperature and oxidization time, if oxidization time is too long, cuprous oxide can be oxidized to copper oxide.
Summary of the invention
The object of the present invention is to provide a kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material, preparation are received
Meter Duo KongC u/Cu2O core-shell composite material has three-dimensional co-continuous nanoporous core-shell structure and high surface.
The technical solution adopted by the present invention is that a kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material, specifically
Implement according to step:
It is auxiliary electricity with platinum electrode with saturated calomel electrode (SCE) for reference electrode using nano porous copper as working electrode
The working electrode, reference electrode and auxiliary electrode are placed in electrolyte, apply voltage in the electrolytic solution, to sun by pole
Pole oxidation a period of time, obtain nanoporous Cu/Cu2O core-shell composite material.
Technical characteristic of the invention also resides in,
Wherein, electrolyte is neutral or alkaline solution, and the pH value of electrolyte is 7-13.
Applying voltage in the electrolytic solution is 0.1-2.0V (vs.SCE).
Anodizing time is 1-60min.
The invention has the advantages that by the way that nanoporous Cu/Cu is prepared in nano porous copper anodic oxidation2O nucleocapsid
Composite material, preparation method is simple, and preparation process can be completed at room temperature, the nanoporous Cu/Cu prepared2O nucleocapsid is multiple
Condensation material has the characteristics that three-dimensional co-continuous nanoporous core-shell structure and high surface, further improves cuprous oxide and exists
The application advantage in the fields such as catalysis, sensing.
Detailed description of the invention
Fig. 1 is the nanoporous Cu/Cu that in the present invention prepared by embodiment 12The XRD diagram of O core-shell composite material；
Fig. 2 is the nanoporous Cu/Cu that in the present invention prepared by embodiment 12The SEM of O core-shell composite material schemes.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the present invention does not limit to
In the specific embodiment.
A kind of nanoporous Cu/Cu of the present invention2The preparation method of O core-shell composite material, is specifically implemented according to the following steps:
It is auxiliary electricity with platinum electrode with saturated calomel electrode (SCE) for reference electrode using nano porous copper as working electrode
The working electrode, reference electrode and auxiliary electrode are placed in the electrolyte that pH is 7-13, apply in the electrolyte by pole
The voltage for adding 0.1-2.0V (vs.SCE) obtains nanoporous Cu/Cu after anodic oxidation 1-60min2O nucleocapsid composite wood
Material.
Embodiment 1
At room temperature, using nano porous copper as working electrode, saturated calomel electrode is reference electrode, supplemented by platinum electrode
Electrode is helped, applies 0.1V (vs SCE) voltage in the electrolyte that pH is 9, after anodic oxidation 60min, that is, prepares nanoporous
Cu/Cu2O core-shell composite material.Fig. 1 is nanoporous Cu/Cu manufactured in the present embodiment2The XRD diagram of O core-shell composite material, from figure
It can be seen that in 1, the nanoporous Cu/Cu prepared by the method for the invention2Contain Cu and Cu in O core-shell composite material2Two kinds of O
Object phase；Fig. 2 is nanoporous Cu/Cu manufactured in the present embodiment2The SEM of O core-shell composite material schemes, and as can be seen from Figure 2, passes through
The nanoporous Cu/Cu that the method for the present invention is prepared2O core-shell composite material has apparent three-dimensional co-continuous nanoporous knot
Structure.
Embodiment 2
At room temperature, using nano porous copper as working electrode, saturated calomel electrode (SCE) is reference electrode, platinum electricity
Extremely auxiliary electrode applies 0.4V (vs SCE) voltage in the electrolyte that pH is 11, after anodic oxidation 1min, that is, prepares cashier
Meter Duo KongC u/Cu2O core-shell composite material.
Embodiment 3
At room temperature, using nano porous copper as working electrode, saturated calomel electrode (SCE) is reference electrode, platinum electricity
Extremely auxiliary electrode applies 2.0V (vs SCE) voltage in the electrolyte that pH is 13, after anodic oxidation 60min, that is, prepares
Nanoporous Cu/Cu2O core-shell composite material.
Embodiment 4
At room temperature, using nano porous copper as working electrode, saturated calomel electrode (SCE) is reference electrode, platinum electricity
Extremely auxiliary electrode applies 1.0V (vs SCE) voltage in the electrolyte that pH is 7, after anodic oxidation 10min, that is, prepares cashier
Meter Duo KongC u/Cu2O core-shell composite material.
Embodiment 5
At room temperature, using nano porous copper as working electrode, saturated calomel electrode (SCE) is reference electrode, platinum electricity
Extremely auxiliary electrode applies 1.6V (vs SCE) voltage in the electrolyte that pH is 13, after anodic oxidation 30min, that is, prepares
Nanoporous Cu/Cu2O core-shell composite material.
Claims (4)
1. a kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material, which is characterized in that specifically real according to the following steps
It applies:
Using nano porous copper as working electrode, with saturated calomel electrode (SCE) for reference electrode, using platinum electrode as auxiliary electrode,
The working electrode, reference electrode and auxiliary electrode are placed in electrolyte, apply voltage in the electrolyte, to sun
Pole oxidation a period of time, obtain nanoporous Cu/Cu2O core-shell composite material.
2. a kind of nanoporous Cu/Cu according to claim 12The preparation method of O core-shell composite material, which is characterized in that
The electrolyte is neutral or alkaline solution, and electrolyte pH is 7-13.
3. a kind of nanoporous Cu/Cu according to claim 12The preparation method of O core-shell composite material, which is characterized in that
Applying voltage in the electrolyte is 0.1-2.0V (vs.SCE).
4. a kind of nanoporous Cu/Cu according to claim 12The preparation method of O core-shell composite material, which is characterized in that
The anodizing time is 1-60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910036521.5A CN109628981A (en) | 2019-01-15 | 2019-01-15 | A kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910036521.5A CN109628981A (en) | 2019-01-15 | 2019-01-15 | A kind of nanoporous Cu/Cu2The preparation method of O core-shell composite material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110051322A1 (en) * | 2009-09-03 | 2011-03-03 | Applied Materials, Inc. | Porous amorphous silicon-carbon nanotube composite based electrodes for battery applications |
| CN108193255A (en) * | 2018-01-30 | 2018-06-22 | 河北工业大学 | A kind of supported porous cuprous nano piece composite material of nano porous copper and preparation method thereof |
| CN108295854A (en) * | 2018-01-30 | 2018-07-20 | 河北工业大学 | A kind of multi-stage porous nano porous copper load nano cuprous oxide wire composite material and preparation method |
| CN108597892A (en) * | 2018-04-28 | 2018-09-28 | 河北工业大学 | A kind of nano porous copper load copper-based oxide composite of morphology controllable and preparation method and application |
-
2019
- 2019-01-15 CN CN201910036521.5A patent/CN109628981A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110051322A1 (en) * | 2009-09-03 | 2011-03-03 | Applied Materials, Inc. | Porous amorphous silicon-carbon nanotube composite based electrodes for battery applications |
| CN108193255A (en) * | 2018-01-30 | 2018-06-22 | 河北工业大学 | A kind of supported porous cuprous nano piece composite material of nano porous copper and preparation method thereof |
| CN108295854A (en) * | 2018-01-30 | 2018-07-20 | 河北工业大学 | A kind of multi-stage porous nano porous copper load nano cuprous oxide wire composite material and preparation method |
| CN108597892A (en) * | 2018-04-28 | 2018-09-28 | 河北工业大学 | A kind of nano porous copper load copper-based oxide composite of morphology controllable and preparation method and application |
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Application publication date: 20190416 |