CN106238050B - Copper oxide/cuprous oxide composite photocatalyst material and preparation method thereof - Google Patents
Copper oxide/cuprous oxide composite photocatalyst material and preparation method thereof Download PDFInfo
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- CN106238050B CN106238050B CN201510320450.3A CN201510320450A CN106238050B CN 106238050 B CN106238050 B CN 106238050B CN 201510320450 A CN201510320450 A CN 201510320450A CN 106238050 B CN106238050 B CN 106238050B
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Abstract
The invention discloses a kind of copper oxide/cuprous oxide composite photocatalyst materials and preparation method thereof.Among a preferable case study on implementation, the preparation method includes: to disperse cuprous oxide powder in salting liquid, and be persistently stirred to react 0.01~240h at 0 DEG C~95 DEG C, isolates reaction product later, it washs, dry again, obtain the copper oxide/cuprous oxide composite photocatalyst material.The present invention prepares copper oxide/cuprous oxide composite photo-catalyst by carrying out slight oxidation processing to cuprous oxide surface using the cheap salting liquid of environmental protection, preparation process is simple, reaction process is mildly easy to control, reactant is inexpensively environmentally friendly, not only can completely keep the original pattern of cuprous oxide, moreover it is possible to accurate control oxidation copper content, ensure the exposure of cuprous oxide active face, photocatalytic activity is high, good cycling stability, has wide application prospect in photocatalysis field.
Description
Technical field
Present invention relates particularly to a kind of copper oxide/cuprous oxide composite photocatalyst materials and preparation method thereof, belong to nanometer
Materials science field.
Background technique
Cuprous oxide is a kind of important P-type semiconductor, and forbidden bandwidth is 2.0~2.2eV, very strong that can have light area
It absorbs, and nontoxic, inexpensive and preparation is simple, thus has very in fields such as photocatalysis, gas sensor and solar batteries
Good application prospect.But single cuprous oxide is still difficult to meet the requirement of practical application, complex light as photochemical catalyst
Catalyst is able to solve many deficiencies of one-component catalyst.In different types of cuprous oxide composite photocatalyst material, oxygen
Change copper/cuprous oxide (CuO/Cu2O) composite photocatalyst material be prepare it is relatively easy, reaction be easiest to control.
Currently, preparation CuO/Cu2O composite material usually under hydrothermal conditions, passes through the ratio of control reducing agent and mantoquita
One step obtains (such as CN103466682A and CN102180509A).Although this method step is few, usually require higher
Reaction temperature, and be difficult under hydrothermal condition to product component and copper oxide and cuprous oxide pattern while carrying out accurate
Regulation.In addition, CuO/Cu can be obtained by the two-step method aoxidized to pre-synthesis cuprous oxide2O composite material such as aoxidizes
It is cuprous that oxidizing roasting in (Cryst.Eng.Comm., 2013,15, p7462-7467) or air is reacted with NaOH solution
(J.Mater.Chem.A.2015,3,p5294-5298).These existing two-step methods, although can be with previously prepared specific morphology
Cuprous oxide, but react it is typically more violent, a large amount of cuprous oxide surface be oxidized copper covering, be unfavorable for cuprous oxide
Active point exposure, photocatalysis performance raising are affected.
Summary of the invention
The purpose of the present invention is to provide a kind of copper oxide/cuprous oxide composite photocatalyst material and preparation method thereof, with
Overcome deficiency in the prior art.
It is multiple that a kind of copper oxide/cuprous oxide is provided to realize aforementioned invention purpose, among a case study on implementation of the invention
The preparation method of light combination catalysis material comprising: cuprous oxide is impregnated in salting liquid, and reacts 0.01 at 0 DEG C~95 DEG C
~240h obtains the copper oxide/cuprous oxide composite photocatalyst material.
As more one of preferred embodiment, which includes: to disperse salting liquid for cuprous oxide powder
In, and it is persistently stirred to react 0.01~240h at 0 DEG C~95 DEG C, obtain the copper oxide/cuprous oxide composite photocatalyst material.
Further, the salting liquid includes the aqueous solution of salt, and the salt preferably certainly but is not limited to sodium chloride, sulfuric acid
Sodium, sodium nitrate, potassium chloride, potassium sulfate, any one or two or more combinations in potassium nitrate.
More preferably, the concentration of the salting liquid is 0.1mM~5M.
More preferably, the molar ratio of institute's saliferous and cuprous oxide is 1000~0.001:1 in the salting liquid.
Among one more specifically embodiment, which may include: to disperse salt for cuprous oxide powder
In solution, and it is persistently stirred to react 0.01~240h at 0 DEG C~95 DEG C, isolates reaction product later, then wash, dry, obtain
Obtain the copper oxide/cuprous oxide composite photocatalyst material.
Used cuprous oxide can be any convenient form, such as sheet, block, powder in the present invention,
Preferably powder.In addition, the cuprous material of pure zirconia can be used in the present invention, it can also be using cuprous oxide and other materials complex
At material, such as surface layer is coated with granular materials, sheet layer material, bulk material of cuprous oxide etc..
It is additionally provided among another case study on implementation of the invention by copper oxide/cuprous oxide of aforementioned any method preparation
Composite photocatalyst material.
Compared with prior art, the invention has the advantages that by utilizing environmentally friendly cheap salting liquid to cuprous oxide table
Face carries out slight oxidation (or being considered to etch) processing to prepare copper oxide/cuprous oxide composite photo-catalyst, preparation process letter
Single, reaction process is mildly easy to control, and reactant is inexpensively environmentally friendly, not only can completely keep the original pattern of cuprous oxide, moreover it is possible to
Accurate control oxidation copper content, it is ensured that the exposure of cuprous oxide active face, catalytic activity is high, good cycling stability.
Detailed description of the invention
Fig. 1 is copper oxide/cuprous oxide composite photocatalyst material scanning electron microscope (SEM) photograph prepared by embodiment 1；
Fig. 2 is copper oxide/cuprous oxide composite photocatalyst material XRD diagram prepared by embodiment 1；
Fig. 3 is photocatalytic degradation of the copper oxide/cuprous oxide composite photocatalyst material to methyl orange prepared by embodiment 1
Figure；
Fig. 4 is that copper oxide/cuprous oxide composite photocatalyst material prepared by embodiment 1 recycles the photocatalysis of methyl orange
Degradation figure.
Specific embodiment
A kind of system of copper oxide/cuprous oxide composite photocatalyst material is provided among an exemplary embodiments of the invention
Preparation Method may comprise steps of:
(1) a certain amount of cuprous oxide is dispersed in salting liquid, is stirred to react 0.01~120h at 0 DEG C~95 DEG C；
(2) by reaction product centrifugation, washing and it is dry after to get arriving copper oxide/cuprous oxide composite photocatalyst material；
Above-mentioned " a certain amount of " to refer to: the molar ratio of salting liquid and cuprous oxide is 1000~0.001:1.
More preferred, the salting liquid can be selected from: molar concentration is sodium chloride, sodium sulphate, the nitric acid of 0.1mM~5M
Sodium, potassium chloride, potassium sulfate or potassium nitrate aqueous solution.
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
43.3mg cuprous oxide cube is added to 5ml, and ultrasonic disperse in 0.2M sodium-chloride water solution, stirring is anti-at room temperature
Answer 12h.It is dried in vacuo after product eccentric cleaning.Through scanning electron microscope (please referring to shown in Fig. 1) and XRD (please referring to shown in Fig. 2) points
Analysis: cuprous oxide still maintains complete cube pattern, smooth Surface Creation sheet or gradually long great achievement triangle cone production
Object, and cuprous oxide surface is not completely covered, through XRD analysis, the product of generation is copper oxide, that is, obtain copper oxide/
Cuprous oxide composite photocatalyst material (CuO/Cu2O, following abbreviation sample).It please refers to shown in Fig. 3, the sample of the present embodiment exists
Methyl orange can almost be degraded in 120 minutes, and the dark adsorption experiment of sample also indicates that sample is almost in 120 minutes
Without absorption, say that the degradation under illumination is entirely as caused by photocatalysis.In addition, referring to Fig. 4, the sample of the present embodiment passes through four
Catalytic activity does not reduce after secondary circulation, it was demonstrated that it is with good photocatalysis stability.
Embodiment 2
43.3mg cuprous oxide cube is added to 5ml, ultrasonic disperse in 0.1mM potassium chloride solution, stirs at 70 DEG C
8h is reacted, is dried in vacuo after product eccentric cleaning.
Embodiment 3
43.3mg cuprous oxide octahedron is added to 5ml, ultrasonic disperse in 50mM sodium-chloride water solution, stirs at 0 DEG C anti-
240h is answered, is dried in vacuo after product eccentric cleaning.
Embodiment 4
43.3mg cuprous oxide octahedron is added to 5ml, ultrasonic disperse in 1M aqueous sodium persulfate solution, is stirred to react at 95 DEG C
0.01h is dried in vacuo after product eccentric cleaning.
Embodiment 5
43.3mg cuprous oxide rescinded angle octahedron is added to 5ml, ultrasonic disperse in 5M sodium nitrate aqueous solution, stirs at 50 DEG C
React 6h.It is dried in vacuo after product eccentric cleaning.
It should be noted that the terms "include", "comprise" or its any other variant are intended to contain among this specification
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It should be appreciated that the above is only a preferred embodiment of the present invention, it is noted that for the general of the art
For logical technical staff, various improvements and modifications may be made without departing from the principle of the present invention, these improve and
Retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of copper oxide/cuprous oxide composite photocatalyst material preparation method, characterized by comprising: soak cuprous oxide
Stain makes molar ratio 1000~0.001:1 of salt and cuprous oxide in the aqueous solution for the salt that concentration is 0.1mM~5M, described
The aqueous solution of salt is selected from sodium chloride, sodium sulphate, sodium nitrate, potassium chloride, potassium sulfate or potassium nitrate aqueous solution, and at 0 DEG C~95 DEG C
0.01~240h is reacted, the copper oxide/cuprous oxide composite photocatalyst material is obtained.
2. copper oxide according to claim 1/cuprous oxide composite photocatalyst material preparation method, it is characterised in that packet
It includes: dispersing cuprous oxide powder in the aqueous solution of salt, and be persistently stirred to react 0.01~240h at 0 DEG C~95 DEG C, obtain
The copper oxide/cuprous oxide composite photocatalyst material.
3. copper oxide according to claim 2/cuprous oxide composite photocatalyst material preparation method, it is characterised in that packet
It includes: dispersing cuprous oxide powder in the aqueous solution of salt, and be persistently stirred to react 0.01~240h at 0 DEG C~95 DEG C, later
Reaction product is isolated, then washs, dry, obtains the copper oxide/cuprous oxide composite photocatalyst material.
4. copper oxide/cuprous oxide the composite photocatalyst material prepared by any one of claim 1-3 the method.
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| CN107051459A (en) * | 2017-03-30 | 2017-08-18 | 常州大学 | A kind of preparation method of hud typed cupric oxide/bronzing catalyst |
| CN108786794B (en) * | 2017-04-28 | 2020-12-04 | 南京理工大学 | Recyclable photoelectric synergistic catalyst and preparation method and application thereof |
| CN107088413B (en) * | 2017-06-23 | 2020-09-04 | 闽南师范大学 | CuO/Cu2O photocatalyst and preparation method and application thereof |
| CN107233898A (en) * | 2017-07-10 | 2017-10-10 | 苏州科技大学 | Preconcentration with activated carbon collaboration full spectrum light catalysis material and preparation method thereof |
| CN107352573A (en) * | 2017-08-08 | 2017-11-17 | 新疆大学 | A kind of Room Temperature Solid State preparation method of cuprous oxide/cupric oxide nano compound |
| CN108855081A (en) * | 2018-07-19 | 2018-11-23 | 刘青 | A kind of preparation method of copper oxide-cuprous oxide composite catalyst |
| CN110856816B (en) * | 2018-08-22 | 2022-06-14 | 中国科学院兰州化学物理研究所 | Surface-regulated plasma catalyst and preparation method and application thereof |
| CN109926047B (en) * | 2019-03-21 | 2021-10-15 | 华南师范大学 | Copper oxide-cuprous oxide photocatalyst and preparation method thereof |
| CN110562955B (en) * | 2019-08-06 | 2020-12-18 | 河北大学 | Reed-based carbon dots, CDs-Cu2O/CuO composite material and preparation method thereof |
| CN113058609B (en) * | 2021-03-29 | 2022-03-04 | 蚌埠学院 | Preparation method of copper oxide-cuprous oxide-zinc oxide ternary compound |
| CN113546624A (en) * | 2021-07-19 | 2021-10-26 | 陕西科技大学 | Copper oxide/cuprous oxide photocatalytic material for in-situ growth of foamy copper and preparation method and application thereof |
| CN114682258B (en) * | 2022-04-08 | 2024-04-09 | 陕西轩意光电科技有限公司 | CuO/Cu 2 Preparation method and application of O nano flower-shaped spherical thermal catalyst |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068984A (en) * | 1973-10-25 | 1975-06-09 | ||
| CN103240089A (en) * | 2013-05-21 | 2013-08-14 | 淮北师范大学 | Solid-phase mechanical-chemical preparation method of nano Cu2O photocatalyst |
| CN104692445A (en) * | 2015-02-03 | 2015-06-10 | 合肥师范学院 | Preparation and application of copper oxide nanometer hollow spheres |
-
2015
- 2015-06-12 CN CN201510320450.3A patent/CN106238050B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068984A (en) * | 1973-10-25 | 1975-06-09 | ||
| CN103240089A (en) * | 2013-05-21 | 2013-08-14 | 淮北师范大学 | Solid-phase mechanical-chemical preparation method of nano Cu2O photocatalyst |
| CN104692445A (en) * | 2015-02-03 | 2015-06-10 | 合肥师范学院 | Preparation and application of copper oxide nanometer hollow spheres |
Non-Patent Citations (2)
| Title |
|---|
| Evolution of Morphology of Nano-Scale CuO Grown on Copper Metal Sheets in 5 wt% NaCl Solution of Spray Fog Environment;Hao-Long Chen等;《Journal of Surface Engineered Materials and Advanced Technology》;20121031;第2卷;第278-283页 * |
| 燃烧法快速合成CuO/Cu2O及其光催化研究;李秀萍;《材料与冶金学报》;20131231;第12卷(第4期);第265-270页 * |
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