CN113023766A - Method for preparing nano cuprous oxide powder based on ion exchange process - Google Patents
Method for preparing nano cuprous oxide powder based on ion exchange process Download PDFInfo
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- CN113023766A CN113023766A CN202110420965.6A CN202110420965A CN113023766A CN 113023766 A CN113023766 A CN 113023766A CN 202110420965 A CN202110420965 A CN 202110420965A CN 113023766 A CN113023766 A CN 113023766A
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- ion exchange
- copper
- cuprous oxide
- oxide powder
- exchange column
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- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229940112669 cuprous oxide Drugs 0.000 title claims abstract description 48
- 238000005342 ion exchange Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 title claims abstract description 17
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 claims abstract description 19
- 239000005750 Copper hydroxide Substances 0.000 claims abstract description 19
- 229910001956 copper hydroxide Inorganic materials 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 19
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001879 copper Chemical class 0.000 claims abstract description 15
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 14
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000008103 glucose Substances 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001291 vacuum drying Methods 0.000 claims abstract description 9
- 239000012266 salt solution Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000002244 precipitate Substances 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 8
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 4
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000002086 nanomaterial Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 claims description 3
- 229960000907 methylthioninium chloride Drugs 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 6
- 239000003054 catalyst Substances 0.000 claims 3
- 229910052763 palladium Inorganic materials 0.000 claims 3
- 238000002360 preparation method Methods 0.000 abstract description 8
- 239000002243 precursor Substances 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 238000005119 centrifugation Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000002105 nanoparticle Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 6
- 229910001431 copper ion Inorganic materials 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000000967 suction filtration Methods 0.000 description 6
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 239000011858 nanopowder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention relates to a method for preparing nano cuprous oxide powder based on an ion exchange process, which comprises the steps of adopting copper salt solutions with different concentrations to respectively react with cation exchange resin in a pneumatic stirring device for 0.5-3h, obtaining a copper-based precursor through an ion exchange path, adding 10-300mL of prepared and uniformly dispersed copper hydroxide gel into a reactor, and reacting with a reducing agent glucose for 0.5-2h, wherein the reaction temperature is 70-90 ℃, and the pH value of a reaction system is 10-11; and after the reaction is finished, taking out the product, and obtaining the cuprous oxide nano particles through centrifugation, filtration, absolute ethyl alcohol cleaning and vacuum drying. The ion exchange process adopted by the invention can effectively disperse the generated copper hydroxide gel in a pneumatic stirring manner, and effectively modify the copper-based precursor by using a mechanochemical action, so as to prevent agglomeration in the subsequent preparation process of the nano cuprous oxide; simple operation, mild condition and short flow.
Description
The technical field is as follows:
the invention belongs to the field of chemical engineering and nano functional materials, and particularly relates to a method for preparing a cuprous oxide nano material based on an ion exchange process.
Background art:
cuprous oxide is a P-type semiconductor material, the band gap width is 2.17ev, and the copper oxide has stronger photocatalytic performance under the condition of visible light. The method is mainly applied to the fields of antibiosis, photocatalysis, gas sensing, carbon monoxide oxidation, lithium battery cathode materials and the like, and has wide application prospect. Common preparation methods of cuprous oxide include a liquid-phase reduction method, an electrochemical deposition method, a template method, a sol-gel method, a sputtering method, and the like. Although the methods can be used for preparing cuprous oxide nano materials, the methods also have problems to a certain extent, such as poor biocompatibility of a reducing agent in a liquid phase reduction method, high requirements of an electrochemical deposition method on current intensity, complex template method process, easy agglomeration of particles prepared by a sol-gel method, high requirements of a sputtering method on equipment and the like.
In summary, it is urgently needed to develop a simple and easy cuprous oxide powder preparation method. At present, no report has been made on a method for preparing a copper-based precursor by using an ion exchange process and then preparing nano cuprous oxide by using a liquid phase reduction method.
The invention content is as follows:
the invention aims to provide a method for preparing nano cuprous oxide powder based on an ion exchange process, which is used for solving the problems that the existing cuprous oxide preparation process has high requirements or cuprous oxide powder is easy to agglomerate in the preparation process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the method for preparing the nano cuprous oxide powder based on the ion exchange process comprises the following steps:
the method comprises the following steps: mixing a copper salt solution and cation exchange resin in a pneumatic stirring device to obtain copper hydroxide gel, wherein the concentration of the copper salt solution is 0.25-1mol/L, the adding amount of the cation exchange resin is 100-300mL, and the reaction time is 0.5-3 h;
step two: transferring the copper hydroxide gel obtained in the step one to a reactor, adding glucose, adjusting the pH value of a system to 10-11 by using sodium hydroxide, heating for a certain time to obtain brick red cuprous oxide precipitate, wherein the addition amount of the copper hydroxide gel is 10-300mL, the molar ratio of the glucose to the copper hydroxide is 1:2-1:4, the reaction temperature is 70-90 ℃, and the reaction time is 0.5-2 h;
step three: and (4) filtering the cuprous oxide precipitate obtained in the step two, washing with absolute ethyl alcohol, and drying in vacuum to obtain nano cuprous oxide powder which is a spherical cuprous oxide nano material and is applied to visible light catalytic degradation of methylene blue.
The copper salt in the scheme is inorganic copper salt or organic copper salt, and the inorganic copper salt is one of copper sulfate, copper chloride, copper nitrate and copper acetate.
The ion exchange resin in the above scheme is 201X 7 type.
In the scheme, the vacuum drying temperature is 30-50 ℃, and the drying time is 10-24 h.
Pneumatic agitating unit includes vacuum pump, buffer flask, ion exchange column, uncovered container among the above-mentioned scheme, and the ion exchange column is fixed directly over uncovered container, and the air hose of ion exchange column bottom stretches into uncovered container, and the ion exchange column top is passed through the pipeline and is connected with the buffer flask, and the buffer flask passes through side pipe and vacuum pump connection, and during the vacuum pump evacuation, the air gets into the ion exchange column from the air hose, drives the cation exchange resin turbulence in the ion exchange column, stirs.
The invention has the following beneficial effects:
(1) the ion exchange process adopted by the invention can effectively disperse the generated copper hydroxide gel in a pneumatic stirring manner, and effectively modify the copper-based precursor by using the mechanochemical action, thereby preventing the agglomeration in the subsequent preparation process of the nano cuprous oxide.
(2) The cuprous oxide powder material obtained by the invention is a photocatalytic material with application value, has good photocatalytic degradation performance on methylene blue in a water body, and is an inorganic non-metallic material with potential application value.
(3) The preparation method has the advantages of low cost, simple operation, mild conditions, short flow, low reaction temperature and wide raw material source.
Description of the drawings:
FIG. 1 is a schematic view of a pneumatic stirring apparatus according to the present invention.
FIG. 2 is a scanning electron microscope image of the nano cuprous oxide material of the present invention; wherein (a) is high and (b) is low.
Fig. 3 is an XRD spectrum of the nano cuprous oxide material in the invention.
In the figure: vacuum pump 1, buffer bottle 2, ion exchange column 3, beaker 4, 5 brandreth.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings in which:
example 1:
100mL of copper chloride solution with the concentration of 0.25mol/L is taken to react with 200mL of cation exchange resin in a pneumatic stirring device for 1h, and copper hydroxide gel is obtained. Transferring the cuprous oxide precipitate into another reactor, adding glucose, adjusting the molar ratio of glucose to copper ions to 1:2, controlling the reaction temperature at 70 ℃, adjusting the pH of the system to 10 by using sodium hydroxide, reacting for 1h, performing suction filtration on the obtained cuprous oxide precipitate, washing with absolute ethyl alcohol for three times, and performing vacuum drying at 30 ℃ for 20h to obtain the nano cuprous oxide powder. Pneumatic stirring device refers to and shows figure 1, pneumatic stirring device includes vacuum pump 1, buffer bottle 2, ion exchange column 3, uncovered container is beaker 4 in this embodiment, ion exchange column 3 passes through iron stand platform 5 to be fixed directly over beaker 4, the air hose of 3 bottoms of ion exchange column stretches into in beaker 4, 3 tops of ion exchange column pass through the pipeline and are connected with buffer bottle 2, buffer bottle 2 passes through the side pipe and is connected with vacuum pump 1, during the evacuation of vacuum pump 1, the air gets into ion exchange column 3 from the air hose, it turbulences to drive the cation exchange resin in ion exchange column 3, stir, sufficient space is left on 3 upper portions of ion exchange column in order to prevent that the material from getting into buffer bottle 2, the purpose of buffer bottle 2 is to prevent that the material from getting into vacuum pump 1.
Example 2:
100mL of copper sulfate solution with the concentration of 0.5mol/L is taken to react with 200mL of cation exchange resin in a pneumatic stirring device for 2h, and copper hydroxide gel is obtained. And transferring the cuprous oxide precipitate into a reactor, adding glucose and copper ions according to the molar ratio of 1:2.5, controlling the reaction temperature at 75 ℃, adjusting the pH of the system to 11 by using sodium hydroxide, reacting for 1.5h, performing suction filtration on the obtained cuprous oxide precipitate, washing for three times by using absolute ethyl alcohol, and performing vacuum drying for 15h at 40 ℃ to obtain the nano cuprous oxide powder.
Example 3:
200mL of 1mol/L copper nitrate solution was reacted with 300mL of cation exchange resin in a pneumatic stirring apparatus for 1.5h to obtain copper hydroxide gel. And transferring the cuprous oxide precipitate into a reactor, adding glucose and copper ions according to the molar ratio of 1:3, controlling the reaction temperature at 80 ℃, adjusting the pH of the system to 10 by using sodium hydroxide, reacting for 2 hours, performing suction filtration on the obtained cuprous oxide precipitate, washing for three times by using absolute ethyl alcohol, and performing vacuum drying for 15 hours at 50 ℃ to obtain the cuprous oxide nanopowder.
Example 4:
200mL of copper acetate solution with the concentration of 0.5mol/L is taken to react with 400mL of cation exchange resin in a pneumatic stirring device for 3h, and copper hydroxide gel is obtained. And transferring the cuprous oxide precipitate into a reactor, adding glucose and copper ions according to the molar ratio of 1:4, controlling the reaction temperature at 85 ℃, adjusting the pH of the system to 11 by using sodium hydroxide, reacting for 2 hours, performing suction filtration on the obtained cuprous oxide precipitate, washing for three times by using absolute ethyl alcohol, and performing vacuum drying for 15 hours at 50 ℃ to obtain the cuprous oxide nanopowder.
Example 5:
100mL of copper chloride solution with the concentration of 1mol/L is taken to react with 300mL of cation exchange resin in a pneumatic stirring device for 2h, and copper hydroxide gel is obtained. And transferring the cuprous oxide precipitate into a reactor, adding glucose and copper ions according to the molar ratio of 1:3.5, controlling the reaction temperature at 90 ℃, adjusting the pH of the system to 10 by adopting sodium hydroxide, reacting for 1h, performing suction filtration on the obtained cuprous oxide precipitate, washing for three times by using absolute ethyl alcohol, and performing vacuum drying for 10h at 50 ℃ to obtain the nano cuprous oxide powder.
Example 6:
200mL of 0.75mol/L copper nitrate solution was reacted with 300mL of cation exchange resin in a pneumatic stirring apparatus for 1.5h to obtain copper hydroxide gel. And transferring the cuprous oxide precipitate into a reactor, adding glucose and copper ions according to the molar ratio of 1:2, controlling the reaction temperature at 75 ℃, adjusting the pH of the system to 11 by using sodium hydroxide, reacting for 1h, performing suction filtration on the obtained cuprous oxide precipitate, washing for three times by using absolute ethyl alcohol, and performing vacuum drying for 15h at 40 ℃ to obtain the nano cuprous oxide powder.
According to the method, various organic and inorganic copper salts are used as precursors, ion exchange resin and copper salts are adopted to react in a pneumatic stirring device to generate copper hydroxide gel, and the pneumatic stirring has a certain modification effect on the copper hydroxide gel, so that the agglomeration phenomenon in the subsequent preparation process of cuprous oxide powder is reduced. The method has the advantages of simple process, adjustable product granularity, low cost and the like, and can be applied to industrial production in the future.
Claims (5)
1. A method for preparing nano cuprous oxide powder based on ion exchange process is characterized by comprising the following steps:
the method comprises the following steps: mixing a copper salt solution and cation exchange resin in a pneumatic stirring device to obtain copper hydroxide gel, wherein the concentration of the copper salt solution is 0.25-1mol/L, the adding amount of the cation exchange resin is 100-300mL, and the reaction time is 0.5-3 h;
step two: transferring the copper hydroxide gel obtained in the step one to a reactor, adding glucose, adjusting the pH value of a system to 10-11 by using sodium hydroxide, heating for a certain time to obtain brick red cuprous oxide precipitate, wherein the addition amount of the copper hydroxide gel is 10-300mL, the molar ratio of the glucose to the copper hydroxide is 1:2-1:4, the reaction temperature is 70-90 ℃, and the reaction time is 0.5-2 h;
step three: and (4) filtering the cuprous oxide precipitate obtained in the step two, washing with absolute ethyl alcohol, and drying in vacuum to obtain nano cuprous oxide powder which is a spherical cuprous oxide nano material and is applied to visible light catalytic degradation of methylene blue.
2. The method for preparing nano cuprous oxide powder based on ion exchange process according to claim 1, characterized in that: the copper salt is inorganic copper salt or organic copper salt, and the inorganic copper salt is one of copper sulfate, copper chloride, copper nitrate and copper acetate.
3. The supported palladium monatomic catalyst of claim 2 wherein: the ion exchange resin is 201X 7 type.
4. The supported palladium monatomic catalyst of claim 3 wherein: the vacuum drying temperature is 30-50 ℃, and the drying time is 10-24 h.
5. The supported palladium monatomic catalyst of claim 4 wherein: pneumatic agitating unit include vacuum pump (1), buffer bottle (2), ion exchange column (3), uncovered container, ion exchange column (3) are fixed directly over uncovered container, the air hose of ion exchange column (3) bottom stretches into uncovered container in, ion exchange column (3) top is passed through the pipeline and is connected with buffer bottle (2), buffer bottle (2) are connected with vacuum pump (1) through the side pipe, during vacuum pump (1) evacuation, the air gets into ion exchange column (3) from the air hose, drive the cation exchange resin turbulence in ion exchange column (3), stir.
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| CN202110420965.6A CN113023766A (en) | 2021-04-19 | 2021-04-19 | Method for preparing nano cuprous oxide powder based on ion exchange process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384055A (en) * | 2002-06-20 | 2002-12-11 | 南京大学 | Reduction process of preparing nano cuprous oxide wire |
| CN103408055A (en) * | 2013-07-12 | 2013-11-27 | 哈尔滨师范大学 | Room temperature preparation method of spherical Cu2O porous adsorbing material |
| CN103524779A (en) * | 2012-10-08 | 2014-01-22 | 中国科学院化学研究所 | Cuprous oxide/ion exchange resin composite and preparation method thereof |
-
2021
- 2021-04-19 CN CN202110420965.6A patent/CN113023766A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384055A (en) * | 2002-06-20 | 2002-12-11 | 南京大学 | Reduction process of preparing nano cuprous oxide wire |
| CN103524779A (en) * | 2012-10-08 | 2014-01-22 | 中国科学院化学研究所 | Cuprous oxide/ion exchange resin composite and preparation method thereof |
| CN103408055A (en) * | 2013-07-12 | 2013-11-27 | 哈尔滨师范大学 | Room temperature preparation method of spherical Cu2O porous adsorbing material |
Non-Patent Citations (2)
| Title |
|---|
| CHAO CAI ET AL.: "Cu2O-IER(Ion-exchange Resin) Composites:A Novel Strategy for Cu2O Sythesis", 《CHEM. LETT.》 * |
| 姚红霞等: "离子交换法纳米Ｃｕ 2Ｏ的制备及光催化性能的研究", 《分子催化》 * |
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Application publication date: 20210625 |