CN103771485A - Controllable preparation method for three-dimensional nano self-assembly of copper oxide - Google Patents
Controllable preparation method for three-dimensional nano self-assembly of copper oxide Download PDFInfo
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Abstract
The embodiment of the invention discloses a controllable preparation method for a three-dimensional nano self-assembly of copper oxide. The controllable preparation method comprises the following steps: preparing a 2.0-10.0mol/L sodium hydroxide water solution by taking deionized water as a solvent; preparing a copper chloride water solution with the Cu<2+> concentration of 0.01-0.15mol/L by taking anhydrous copper chloride as a copper source and the deionized water as a solvent; dropwise adding the equivalent copper chloride water solution into the sodium hydroxide water solution, and sufficiently stirring; transferring the mixed solution into a reaction kettle, sealing and reacting in a drying oven with the temperature of 100-150 DEG C for 4-8h; and after the reaction is ended, centrifugally collecting the product, respectively cleaning the product many times by using the deionized water and absolute ethyl alcohol, and then, drying at the temperature of 50-70 DEG C for 3-5h to obtain the three-dimensional nano self-assembly of the copper oxide. The spherical, chrysanthemum-like and fan-like three-dimensional self-assembly with a secondary nanosheet structure is prepared from reaction raw materials with low prices at lower temperature by using a hydrothermal synthesis method.
Description
Technical field
The present invention relates to semiconductor material cupric oxide, particularly a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly.
Background technology
Nano cupric oxide (CuO) is as a class P type transition metal oxide, owing to having a good application prospect and enjoying people to pay close attention in fields such as catalyzer, gas sensor, solar cell, electrode materials, super water wetted material, High Critical Temperature Superconductors.The special performance of nano cupric oxide and its size, pattern close relation, therefore, the controlled copper oxide nano material of preparation size and pattern is the basis of widening its Application Areas.At present, the existing bibliographical information that synthesizes different morphologies copper oxide nano material, as nanoparticle, nanometer rod, nano wire, nanometer sheet, nanotube, three-dimensional graduation micrometer structure (comprising sea urchin shape, hollow ball, vermiform and taraxacum shape etc.).Scientific and technical information (2011 the 36th phase 472～473 pages) has been introduced and has been adopted a kind of very easy wet chemistry method to prepare copper oxide nano material, the method is take copper sheet as substrate, need not any template and grown a large amount of cupric oxide nano shuttles catalyzer in the situation that.Materials Letters (2007 the 61st the 30th phase of volume 5236～5238 pages) has introduced employing hydrolytic precipitation method, in the situation that not adding any tensio-active agent, take neutralized verdigris as precursors, obtain diameter at the flower-shaped copper oxide nano particle of 10～15nm.Electrochemical Acta periodical (4198～4201 pages of the 54th the 17th phases of volume of July in 2009) has reported that L.B.Chen etc. utilizes direct precipitation method to synthesize at low temperatures CuO nano wire.But literature search shows not yet to have so far bibliographical information only just can controlledly prepare the three-dimensional cupric oxide self-assembly of different morphologies by a kind of method.For cupric oxide three-dimensional self-assembly, owing to being formed by the mutual self-assembly of secondary structure, therefore pattern and configuration have sizable adjustability, have good development space and application prospect.
In design when a practicable synthetic route, except considering effective control of product pattern, also to consider simple with equipment, react quick and maneuverable synthetic method.Material Leader (volume special edition X128～130 page May the 22nd in 2008) has been introduced with Cu (NO3)
2for raw material, NaOH is that precipitation agent adopts chemical precipitation method to prepare nano cupric oxide particle in conjunction with ultrasonic field effect.Journal of Inorganic Materials (230～234 pages of the 17th the 2nd phases of volume of March in 2002) has been introduced employing laser ablation and has successfully been prepared copper oxide nano particle.Langmuir (1352～1359 pages of the 18th volumes in 2002) has introduced the spherical copper oxide particle that the sol-gel method such as Corrie L has been prepared median size 7-9nm.The common method of these synthetic cupric oxide is not suitable for large-scale application because needing the shortcomings such as high temperature, long reaction time, required conversion unit costliness or building-up process complexity above.Therefore, develop the good liquid-phase synthesis process of a kind of environmental friendliness, low cost, controllability and operability, can realize high yield ground preparation size even, regular shape, monodispersity is good, and the preparation method of the cupric oxide three-dimensional manometer self-assembly that contains pattern controllable nano structural unit, has become a significant challenge of researcher.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly, for being reaction raw materials by using low-cost cupric chloride and sodium hydroxide, utilize hydrothermal synthesis method to prepare formed by nano-sheet secondary structure spherical, chrysanthemum shape and fan-shaped three-dimensional self-assembly at lesser temps.
For achieving the above object, technical scheme of the present invention is:
A controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, comprises the following steps:
Step 1, the aqueous solution of preparation sodium hydroxide: utilize deionization water as solvent preparation aqueous sodium hydroxide solution, the concentration that makes sodium hydroxide is 2.0～10.0mol/L;
Step 2, take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the copper chloride solution of 0.01～0.15mol/L;
Step 3, the copper chloride solution that step 2 is prepared dropwise adds in the aqueous sodium hydroxide solution that step 1 prepares, and fully stirs, and the volume ratio of wherein said copper chloride solution and aqueous sodium hydroxide solution is 1: 1;
Step 4, the mixing solutions that step 3 is obtained is transferred in reactor, sealing, the baking oven that is placed in 100～150 ℃ reacts 4～8h;
Step 5, reaction finishes rear centrifugal collection product, and product is cleaned respectively repeatedly with deionized water and dehydrated alcohol, and then dry 3～5h at 50～70 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
Preferably, described cupric oxide three-dimensional manometer self-assembly is the spherical cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 8.0～10.0mol/L.
Preferably, described cupric oxide three-dimensional manometer self-assembly is the fan-shaped cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 2.0～4.0mol/L.
Preferably, described cupric oxide three-dimensional manometer self-assembly is the chrysanthemum shape cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 5.0～7.0mol/L.
Compared with prior art, beneficial effect of the present invention is as follows:
The present invention prepares semiconductor oxide copper nano material by easy hydrothermal synthesis method, by controlling the processing condition such as initial reaction substrate concentration, temperature of reaction and reaction times, a step just can optionally be prepared the cupric oxide three-dimensional manometer self-assembly of different-shape.Owing to not needing to add added pattern agent, do not need complicated equipment and aftertreatment, greatly reduce the cost of reaction, simultaneously also environmentally friendly, obtain good technique effect.This method has advantages of reaction conditions gentleness, simple to operate, preparation cost is low, product structure controllability is strong, is conducive to large-scale promotion application, is of great practical significance.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the controllable method for preparing of the cupric oxide three-dimensional manometer self-assembly of the embodiment of the present invention;
Fig. 2 is X-ray diffraction (XRD) figure of the spherical cupric oxide three-dimensional manometer self-assembly that obtains of the embodiment of the present invention one;
Fig. 3 is scanning electronic microscope (SEM) figure of the spherical cupric oxide three-dimensional manometer self-assembly that obtains of the embodiment of the present invention one;
Fig. 4 is scanning electronic microscope (SEM) figure of the fan-shaped cupric oxide three-dimensional manometer self-assembly that obtains of the embodiment of the present invention two;
Fig. 5 is scanning electronic microscope (SEM) figure of the chrysanthemum shape cupric oxide three-dimensional manometer self-assembly that obtains of the embodiment of the present invention three;
Fig. 6 is scanning electronic microscope (SEM) figure of the mixed oxidization copper three-dimensional manometer self-assembly by fan-shaped cupric oxide nano self-assembly and chrysanthemum shape cupric oxide nano self-assembly that obtains of the embodiment of the present invention seven;
Fig. 7 is scanning electronic microscope (SEM) figure of the mixed oxidization copper three-dimensional manometer self-assembly by chrysanthemum shape cupric oxide nano self-assembly and spherical cupric oxide nano self-assembly that obtains of the embodiment of the present invention eight.
Embodiment
For make object of the present invention, technical scheme and advantage more clear bright from, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
On the contrary, the present invention contain any defined by claim in marrow of the present invention and scope, make substitute, modification, equivalent method and scheme.Further, for the public is had a better understanding to the present invention, in below details of the present invention being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the present invention completely yet.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Referring to Fig. 1, be depicted as the flow chart of steps of the controllable method for preparing of the cupric oxide three-dimensional manometer self-assembly of the embodiment of the present invention, it comprises the following steps:
S101, the aqueous solution of preparation sodium hydroxide: utilize deionization water as solvent preparation aqueous sodium hydroxide solution, the concentration that makes sodium hydroxide is 2.0～10.0mol/L;
S102, take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the copper chloride solution of 0.01～0.15mol/L;
S103, dropwise adds prepared copper chloride solution in the aqueous solution of prepared sodium hydroxide, fully stirs, and the volume ratio of wherein said copper chloride solution and aqueous sodium hydroxide solution is 1: 1;
S104, is transferred to obtained mixing solutions in reactor, sealing, and the baking oven that is placed in 100～150 ℃ reacts 4～8h;
S105, reaction finishes rear centrifugal collection product, and product is cleaned respectively repeatedly with deionized water and dehydrated alcohol, and then dry 3～5h at 50～70 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
Prepare semiconductor oxide copper nano material by easy hydrothermal synthesis method above, by controlling the processing condition such as initial reaction substrate concentration, temperature of reaction and reaction times, a step just can optionally be prepared the cupric oxide three-dimensional manometer self-assembly of different-shape.Owing to not needing to add added pattern agent, do not need complicated equipment and aftertreatment, greatly reduce the cost of reaction, simultaneously also environmentally friendly, obtain good technique effect.This method has advantages of reaction conditions gentleness simultaneously, simple to operate, preparation cost is low, product structure controllability is strong, is conducive to large-scale promotion application, is of great practical significance.
Can be by controlling the concentration of aqueous sodium hydroxide solution and the Cu of copper chloride solution in concrete application example
2+concentration, can obtain the cupric oxide three-dimensional manometer self-assembly of the different three-dimensional appearances that are made up of two-dimensional nano sheet.As: cupric oxide three-dimensional manometer self-assembly is the spherical cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 8.0～10.0mol/L; Cupric oxide three-dimensional manometer self-assembly is the fan-shaped cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 2.0～4.0mol/L; Cupric oxide three-dimensional manometer self-assembly is the chrysanthemum shape cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 5.0～7.0mol/L.In the time that aqueous sodium hydroxide solution concentration is 4.0～5.0mol/L (not comprising endpoint value), the cupric oxide three-dimensional manometer self-assembly preparing is the mixed oxidization copper three-dimensional manometer self-assembly of the fan-shaped cupric oxide nano self-assembly being assembled by two-dimensional nano sheet and the chrysanthemum shape cupric oxide nano self-assembly that assembled by two-dimensional nano sheet.In the time that aqueous sodium hydroxide solution concentration is 7.0～8.0mol/L (not comprising endpoint value), the cupric oxide three-dimensional manometer self-assembly preparing is the mixed oxidization copper three-dimensional manometer self-assembly of the chrysanthemum shape cupric oxide nano self-assembly being assembled by two-dimensional nano sheet and the spherical cupric oxide nano self-assembly being assembled by two-dimensional nano sheet.
Further, in specifically should example, in order to realize the controlled preparation of better cupric oxide nano self-assembly, preferably selecting the aqueous sodium hydroxide solution of 1: 1 and the cubic capacity of the shared reactor of copper chloride solution total amount is 75～85%, certainly, in this area, people technician is understandable that, the cubic capacity of the aqueous sodium hydroxide solution of 1: 1 and the shared reactor of copper chloride solution total amount is for can be also other ratios arbitrarily.In the process of real reaction, the cubic capacity that can select reactor is 30ml, 50ml, 80ml, 100ml, the conventional volume reactor of 200ml or 250ml.
Below will implementation process of the present invention be described further combined with concrete Application Example.
Embodiment mono-
A controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 11.25mL sodium hydroxide: utilize deionization water as solvent preparation aqueous sodium hydroxide solution, the concentration that makes sodium hydroxide is 8.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 11.25mL of 0.01mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 30mL reactor, makes the total volume of reaction soln account for 75% of reactor volume, sealing, and the baking oven that is placed in 120 ℃ reacts 6h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 5h at 50 ℃, obtains black product.Referring to Fig. 2, bright this product of XRD figure stave has monoclinic phase, and purity very high (spacer C2/c); Referring to Fig. 3, SEM observation shows that products therefrom is the spherical cupric oxide nano self-assembly that two dimensional oxidation copper nanometer sheet forms, the diameter of this CuO microballoon is 15～20 microns, there is secondary structure, each CuO microballoon forms by countless two-dimensional nano sheet self-assemblies, this nanometer length of a film 100～220nm, wide 50～80nm, thickness is 20-30nm.
Embodiment bis-
A controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 106.25mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 4.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 106.25mL of 0.10mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 250mL reactor, makes the total volume of reaction soln account for 85% of reactor volume, sealing, and the baking oven that is placed in 150 ℃ reacts 8h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 3h at 70 ℃, obtains black product.Referring to Fig. 4, SEM observation shows that the fan-shaped CuO of gained is formed by two-dimensional nano sheet CuO self-assembly.
Embodiment tri-
A controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 20mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 5.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 20mL of 0.07mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 50mL reactor, makes the total volume of reaction soln account for 80% of reactor volume, sealing, and the baking oven that is placed in 100 ℃ reacts 4h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 4h at 60 ℃, obtains black product.Referring to Fig. 5, SEM observation shows that the chrysanthemum shape cupric oxide of gained is to be formed by two-dimensional nano sheet CuO self-assembly.
Embodiment tetra-
A controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 41mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 10.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 41mL of 0.06mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 100mL reactor, makes the total volume of reaction soln account for 82% of reactor volume, sealing, and the baking oven that is placed in 120 ℃ reacts 6h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 5h at 50 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
The product that the present embodiment obtains is similar to the product of embodiment mono-gained, and product is spherical cupric oxide nano self-assembly, and this globosity is by assembling for two-dimensional nano sheet.
Embodiment five
The present embodiment is a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 78mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 2.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the copper chloride solution 78mL of 0.15mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 200mL reactor, makes the total volume of reaction soln account for 78% of reactor volume, sealing, and the baking oven that is placed in 100 ℃ reacts 8h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 5h at 50 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
The product that the present embodiment obtains is similar to the product of example two gained, and product is fan-shaped cupric oxide three-dimensional manometer self-assembly, and this fan-like structure is assembled by two-dimensional nano sheet.
Embodiment six
The present embodiment is a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 15mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 7.0mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 15mL of 0.09mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 50mL reactor, makes the total volume of reaction soln account for 60% of reactor volume, sealing, and the baking oven that is placed in 120 ℃ reacts 6h;
Step 5: reaction finishes rear centrifugal collection product, cleans product respectively repeatedly with deionized water and dehydrated alcohol, and then dry 3h at 70 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
The present embodiment obtains similar to the product of example three gained, and product is chrysanthemum shape cupric oxide three-dimensional manometer self-assembly, and this chrysanthemum flower-like structure is to be assembled by two-dimensional nano sheet.
Embodiment seven
The present embodiment is a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 90mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 4.5mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 90mL of 0.12mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 200mL reactor, makes the total volume of reaction soln account for 90% of reactor volume, sealing, and the baking oven that is placed in 160 ℃ reacts 6h;
Step 5: reaction finishes rear centrifugal collection product, product is cleaned respectively repeatedly with deionized water and dehydrated alcohol, then dry 5h at 60 ℃, the mixed oxidization copper three-dimensional manometer self-assembly of the chrysanthemum shape cupric oxide nano self-assembly that obtains the fan-shaped cupric oxide nano self-assembly being assembled by two-dimensional nano sheet and assembled by two-dimensional nano sheet, its scanning electronic microscope (SEM) figure is for as shown in Figure 6.
Embodiment eight
The present embodiment is a kind of controllable method for preparing of cupric oxide three-dimensional manometer self-assembly, comprises the steps:
Step 1: the aqueous solution of preparation 20mL sodium hydroxide: utilize the aqueous solution of deionization water as solvent preparation sodium hydroxide, the concentration that makes sodium hydroxide is 7.5mol/L;
Step 2: take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the solution 20mL of 0.2mol/L;
Step 3: copper chloride solution is dropwise added in aqueous sodium hydroxide solution, fully stir;
Step 4: the solution that step 3 is obtained is transferred in 50mL reactor, sealing, the baking oven that is placed in 120 ℃ reacts 6h;
Step 5: reaction finishes rear centrifugal collection product, product is cleaned respectively repeatedly with deionized water and dehydrated alcohol, then dry 4h at 60 ℃, obtain the mixed oxidization copper three-dimensional manometer self-assembly of the chrysanthemum shape cupric oxide nano self-assembly being assembled by two-dimensional nano sheet and the spherical cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, its scanning electronic microscope (SEM) figure is for as shown in Figure 7.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a controllable method for preparing for cupric oxide three-dimensional manometer self-assembly, is characterized in that, comprises the following steps:
Step 1, the aqueous solution of preparation sodium hydroxide: utilize deionization water as solvent preparation aqueous sodium hydroxide solution, the concentration that makes sodium hydroxide is 2.0～10.0mol/L;
Step 2, take anhydrous cupric chloride as copper source, deionized water is as solvent, preparation obtains Cu
2+concentration is the copper chloride solution of 0.01～0.15mol/L;
Step 3, the copper chloride solution that step 2 is prepared dropwise adds in the aqueous sodium hydroxide solution that step 1 prepares, and fully stirs, and the volume ratio of wherein said copper chloride solution and aqueous sodium hydroxide solution is 1: 1;
Step 4, the mixing solutions that step 3 is obtained is transferred in reactor, sealing, the baking oven that is placed in 100～150 ℃ reacts 4～8h;
Step 5, reaction finishes rear centrifugal collection product, and product is cleaned respectively repeatedly with deionized water and dehydrated alcohol, and then dry 3～5h at 50～70 ℃, obtains cupric oxide three-dimensional manometer self-assembly.
2. the controllable method for preparing of cupric oxide three-dimensional manometer self-assembly according to claim 1, it is characterized in that, described cupric oxide three-dimensional manometer self-assembly is the spherical cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 8.0～10.0mol/L.
3. the controllable method for preparing of cupric oxide three-dimensional manometer self-assembly according to claim 1, be characterised in that, described cupric oxide three-dimensional manometer self-assembly is the fan-shaped cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 2.0～4.0mol/L.
4. the controllable method for preparing of cupric oxide three-dimensional manometer self-assembly according to claim 1, be characterised in that, described cupric oxide three-dimensional manometer self-assembly is the chrysanthemum shape cupric oxide nano self-assembly being assembled by two-dimensional nano sheet, and wherein in preparation process, the concentration of aqueous sodium hydroxide solution is 5.0～7.0mol/L.
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| CN108091732B (en) * | 2018-01-31 | 2019-05-03 | 扬州大学 | The preparation method of the visible photodetector of self assembly CuO nanometer sheet on a kind of FTO substrate |
| CN109110797A (en) * | 2018-09-20 | 2019-01-01 | 西安凯立新材料股份有限公司 | A kind of preparation method of sector multi-layer cupric oxide powder |
| CN109110797B (en) * | 2018-09-20 | 2020-09-01 | 西安凯立新材料股份有限公司 | Preparation method of sector multi-layer copper oxide powder |
| CN112473667A (en) * | 2020-11-24 | 2021-03-12 | 西安理工大学 | Cu of different morphology and surface+Preparation method of CuO catalyst |
| CN112520780A (en) * | 2021-01-18 | 2021-03-19 | 太原理工大学 | Preparation method of folded rodlike self-assembled walnut-like copper oxide |
| CN115196665A (en) * | 2022-06-29 | 2022-10-18 | 湖南大学 | Copper oxide nanosheet and preparation method thereof, and method for preparing ammonia by electrocatalysis of nitrate radical |
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