CN102936004B - Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method - Google Patents
Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method Download PDFInfo
- Publication number
- CN102936004B CN102936004B CN201210410574.7A CN201210410574A CN102936004B CN 102936004 B CN102936004 B CN 102936004B CN 201210410574 A CN201210410574 A CN 201210410574A CN 102936004 B CN102936004 B CN 102936004B
- Authority
- CN
- China
- Prior art keywords
- quadrol
- flowers
- micro
- hydrothermal
- sodium selenite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention belongs to the field of inorganic-organic micro-nano composite material synthesis, and relates to a method for synthesizing three-dimensional micron-grade flowers with relatively homogeneous morphology through a hydrothermal method. The invention especially relates to a method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through the hydrothermal method. The method comprises the steps that: sodium selenite and cobalt chloride are subjected to hydrazine hydrate reduction through the hydrothermal method in an alkaline solution containing ethylenediamine, such that cobalt diselenide-ethylenediamine micron-grade flowers are prepared. The method provided by the invention has the advantages of simple process and good reproducibility. The adopted selenium and cobalt sources are inorganic compounds which have low prices and are easy to obtain. Therefore, the cost is low. Sodium selenite has good dissolubility, such that environment requirements are satisfied. The method provided by the invention does not require pretreatments such as high-temperature treatment and calcination, and preparation can be carried out under a relatively low temperature, such that energy consumption and reaction cost are reduced. Therefore, the method can be applied in industrialized batch productions.
Description
Technical field
The invention belongs to the synthetic field of inorganic-organic Micron-nano composites, relate to the synthetic method of utilizing hydrothermal method to prepare the three-dimensional micro-flowers of the relative homogeneous of pattern, particularly hydrothermal method is prepared the method for two cobaltous selenides-quadrol micro-flowers.
Background technology
Nanometer selenium compound is the important semiconductor material of a class, there are good optics, electric property and nonlinear optical response performance, have a wide range of applications in all many-sides such as luminescent material, solar cell material, optoelectron sensor, photoelectric conversion material, infrared electro detection, light detector, thermoelectric material, infrared window gate material, biomarker, laser apparatus.And in the last few years, affecting material property by appearance structure control becomes one of focus of nano materials research gradually.At present, the most researchs of people be the problem of coated between organic-inorganic and load, these results of study have embodied the characteristic that its inorganics and organism have concurrently.Along with expanding economy, people more and more receive people's concern for the research and development of new energy materials, reasonably for synthesizing inorganic-organically the research and development of intercalation configuration compound have day by day become the focus of people's research.
How the heat energy producing in daily life is reasonably used, realize reasonable application and the conversion of the energy, also being subject to people's attention gradually.In these materials, two cobaltous selenides itself are exactly a kind of important IV-VI family semi-conductor, have stronger absorption in near-infrared region; As a kind of rich content, environmental friendliness and chemically stable semiconductor material, two cobaltous selenides are that novel thermoelectricity is at one of candidate material.The intercalation configuration compound of inorganic-organic is compared with pure inorganics; tend to show a lot of different chemical property; and the commaterial of different-shape also usually can show different character, the therefore synthetic concern that is day by day subject to people of the inorganic-organic material of its multidimensional structure.So the preparation method who finds technique polymorphic two cobaltous selenides-organism (quadrol etc.) simple, with low cost is very necessary, provides how potential scientific basis and technical support for it becomes following thermoelectric material.
Summary of the invention
The object of the present invention is to provide that a kind of technique is simple, prepare the preparation method of two cobaltous selenides-quadrol micro-flowers under lesser temps.
Hydrothermal method is prepared a method for two cobaltous selenides-quadrol micro-flowers, is by Sodium Selenite, and cobalt chloride, in the basic solution that contains quadrol, is utilized the reduction of hydrothermal method through hydrazine hydrate, is prepared into the micro-flowers of two cobaltous selenides-quadrol.
The method that hydrothermal method of the present invention is prepared two cobaltous selenides-quadrol micro-flowers is to carry out according to following step:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 1～2mmol:1mmol:7～24mL:1～18mL also stirs, and obtains finely dispersed precursor liquid;
Step B, in described precursor liquid, add the hydrazine hydrate of 5.0mL, stir it is uniformly dispersed;
Step C, the reaction system of step B gained is transferred in teflon-lined reactor, constant temperature 12～24h at 140～180 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by the hydrothermal product centrifugation of step C gained, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 60～80 ℃ of vacuum-drying 12～24h.
Sodium Selenite, cobalt chloride, quadrol that the present invention participates in reaction are analytical pure, and described hydrazine hydrate weight percent is 85wt%.
In another preference of the present invention, in steps A, reactant is according to Sodium Selenite: cobalt chloride: quadrol: the ratio of deionized water is 2mmol:1mmol:22mL:3mL; And the temperature of reacting in step C is 180 ℃, constant temperature time 24h.
According to the micro-flowers of the two cobaltous selenides-quadrol of the prepared one-tenth of method disclosed by the invention, be by approximately 40 ~ 60nm of thickness, the nanometer sheet self-assembly of length 1.5 ~ 2 μ m forms.
According to the micro-flowers of the two cobaltous selenides-quadrol of the prepared one-tenth of method disclosed by the invention, the diameter of micro-flowers is 5 ~ 6 μ m.
What the present invention adopted is that Liquid preparation methods goes out on pattern two cobaltous selenides-quadrol micro-flowers of homogeneous relatively at a lower temperature.
Two cobaltous selenides-quadrol (CoSe in the present invention
2-EN) structure determined by x-ray diffractometer, and X-ray diffracting spectrum shows, and the product of the preparation that combined with self-assembling technique by liquid phase reaction is pure two cobaltous selenides-quadrol (CoSe
2-EN), in collection of illustrative plates, there is other peak to occur (using ◆ mark), this has also just in time determined the intercalation configuration of successfully synthetic two cobaltous selenides-quadrol.
Field emission scanning electron microscope test shows, two cobaltous selenides-quadrol (CoSe of the preparation that combined with self-assembling technique by liquid phase reaction
2-EN) be to be about 40 ~ 60nm by thickness, the micro-flowers of 5 ~ 6 μ m that the nanometer sheet of length approximately 1.5 ~ 2 μ m is self-assembled into.
Two cobaltous selenides-quadrol (CoSe in the present invention
2-EN) the surperficial On Analysis of Chemical Species of Elements of micro-flowers adopts X-ray photoelectron spectroscopic analysis (XPS), at room temperature test.
Two cobaltous selenides-quadrol (CoSe of the relative homogeneous of pattern of being prepared with self-assembling technique combined technology by liquid phase method in the present invention
2-EN) micro-flowers, the valence state of the element of contriver to its product surface is analyzed, 798.98 eV, these two strong peaks of 781.62 eV corresponding CoSe respectively
2co 2p1/2 in-EN and Co 2p3/2; 56.18 eV are corresponding to CoSe
2se 3d3/2 in-EN, these and block CoSe
2numerical value be close; 399.24 eV is corresponding to CoSe
2n 1s in-EN.Near the not appearance of other small peak main peak in XPS collection of illustrative plates, so show that there is not oxidized phenomenon on the surface of product.But by analysis,, contriver finds owing to there is organic micromolecular intercalation, has caused the absorption of its correlation energy to occur certain skew.Two cobaltous selenides-quadrol (the CoSe preparing by the present invention
2-EN) micro-flowers, performance is more stable, provides how potential scientific basis and technical support for it becomes following novel thermoelectric material.
beneficial effect
The present invention adopt simple liquid phase reaction combine with self-assembling technique preparation two cobaltous selenides-quadrol (CoSe
2-EN), pattern is three-dimensional micro-flowers, this material has the advantages such as chemical stability is better.Technique of the present invention is simple, favorable reproducibility, and selenium source used, cobalt source are mineral compound, and cheap and easy to get, cost is low, the solubleness of Sodium Selenite is pretty good, meet environmental requirement, due to this technique do not need high temperature, calcining and so on pre-treatment, can prepare at a lower temperature, thereby reduce energy consumption and reaction cost, be convenient to batch production.
Accompanying drawing explanation
Accompanying drawing 1 two cobaltous selenides-quadrol (CoSe
2-EN) x-ray diffraction pattern (XRD).
Accompanying drawing 2 two cobaltous selenides-quadrol (CoSe
2-EN) scanning electron microscope (SEM) photograph (SEM): (a) low power (amplifying 2000 times); (b) high power (amplifying 10000 times).
Accompanying drawing 3 two cobaltous selenides-quadrol (CoSe
2-EN) X-ray photoelectron spectroscopic analysis collection of illustrative plates (XPS) at room temperature: (a) Co; (b) Se; (c) N.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail, so that those skilled in the art understand the present invention better, but the present invention is not limited to following examples.
embodiment 1
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:3mL:22mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 180 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 80 ℃ of vacuum-drying 12h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
Two cobaltous selenides-quadrol (CoSe in the present invention
2-EN) the surperficial On Analysis of Chemical Species of Elements of micro-flowers adopts X-ray photoelectron spectroscopic analysis (XPS), at room temperature test.
In accompanying drawing 1 position of each diffraction peak and relative intensity all with JCPDS(JCPDS) card (09-0234) matches, and shows that product is CoSe
2, in XRD figure spectrum, there is other diffraction peak to occur (using ◆ mark), illustrate in product and had organic molecule intercalation configuration, what the present invention's proposition was described can prepare two cobaltous selenides-quadrol product by liquid phase-self-assembly method.
Can find out two cobaltous selenides-quadrol (CoSe of the preparation that combined with self-assembling technique by liquid phase reaction from accompanying drawing 2
2-EN) be to be about 40～60nm by thickness, the micro-flowers of 5 ~ 6 μ m that the nanometer sheet of length approximately 1.5 ~ 2 μ m is self-assembled into.
Can find out at 798.98 eV these two strong peaks of 781.62 eV corresponding CoSe respectively from accompanying drawing 3
2co 2p1/2 in-EN and Co 2p3/2; 56.18 eV are corresponding to CoSe
2se 3d3/2 in-EN, these and block CoSe
2numerical value be close; 399.24 eV is corresponding to CoSe
2n 1s in-EN.Near the not appearance of other small peak main peak in XPS collection of illustrative plates, so show that there is not oxidized phenomenon on the surface of product.But by analysis, contriver finds that it,, owing to there is organic micromolecular intercalation, has caused the absorption of its correlation energy to occur certain skew.Two cobaltous selenides-quadrol (the CoSe preparing by the present invention
2-EN) micro-flowers, more stable, for becoming following novel thermoelectric material, it provides how potential scientific basis and technical support.
embodiment 2
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 1mmol:1mmol:7mL:18mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 12h at 140 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 60 ℃ of vacuum-drying 12h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
embodiment 3
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:7mL:18mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 140 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 80 ℃ of vacuum-drying 24h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
embodiment 4
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:7mL:18mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 180 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 80 ℃ of vacuum-drying 24h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
embodiment 5
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, Sodium Selenite, cobalt chloride, quadrol and deionized water are according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:24mL:1mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 140 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 80 ℃ of vacuum-drying 24h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
embodiment 6
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:24mL:1mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 180 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 80 ℃ of vacuum-drying 24h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
embodiment 7
The preparation of two cobaltous selenides-quadrol micro-flowers:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 2mmol:1mmol:18mL:7mL also stirs, and obtains finely dispersed precursor liquid;
Step B, add again the hydrazine hydrate (85wt%) of 5.0mL, stir it is uniformly dispersed;
Step C, reaction system is transferred in teflon-lined reactor, constant temperature 24h at 160 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by above-mentioned hydrothermal product centrifugation, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 70 ℃ of vacuum-drying 18h, can obtain the three-dimensional micro-flowers of two cobaltous selenides-quadrol.
Claims (7)
1. a hydrothermal method is prepared the method for two cobaltous selenides-quadrol micro-flowers, by Sodium Selenite, cobalt chloride is in the basic solution that contains quadrol, utilize the reduction of hydrothermal method through hydrazine hydrate, be prepared into the micro-flowers of two cobaltous selenides-quadrol, it is characterized in that described method is to carry out according to following step:
Steps A, by Sodium Selenite, cobalt chloride, quadrol and deionized water according to Sodium Selenite: cobalt chloride: quadrol: the ratio short mix that the ratio of deionized water is 1～2mmol:1mmol:7～24mL:1～18mL also stirs, and obtains finely dispersed precursor liquid;
Step B, in described precursor liquid, add the hydrazine hydrate of 5.0mL, stir it is uniformly dispersed;
Step C, the reaction system of step B gained is transferred in teflon-lined reactor, constant temperature 12～24h at 140～180 ℃ of temperature, naturally cooling, obtains hydrothermal product;
Step D, by the hydrothermal product centrifugation of step C gained, wash respectively three times with dehydrated alcohol and deionized water;
Step e, by the product after centrifugation at 60～80 ℃ of vacuum-drying 12～24h.
2. hydrothermal method according to claim 1 is prepared the method for two cobaltous selenides-quadrol micro-flowers, it is characterized in that, described Sodium Selenite, cobalt chloride, quadrol are analytical pure, and described hydrazine hydrate weight percent is 85wt%.
3. hydrothermal method according to claim 1 is prepared the method for two cobaltous selenides-quadrol micro-flowers, it is characterized in that, in steps A, reactant is according to Sodium Selenite: cobalt chloride: quadrol: the ratio of deionized water is 2mmol:1mmol:22mL:3mL.
4. hydrothermal method according to claim 1 is prepared the method for two cobaltous selenides-quadrol micro-flowers, it is characterized in that, the temperature of reacting in step C is 180 ℃, constant temperature time 24h.
5. the micro-flowers of the two cobaltous selenides-quadrol being prepared into according to the arbitrary described method of claim 1 ~ 4.
6. the micro-flowers of two cobaltous selenides-quadrol according to claim 5, is characterized in that micro-flowers is by thickness 40 ~ 60nm, and the nanometer sheet self-assembly of length 1.5 ~ 2 μ m forms.
7. the micro-flowers of two cobaltous selenides-quadrol according to claim 5, the diameter that it is characterized in that micro-flowers is 5 ~ 6 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410574.7A CN102936004B (en) | 2012-10-25 | 2012-10-25 | Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410574.7A CN102936004B (en) | 2012-10-25 | 2012-10-25 | Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102936004A CN102936004A (en) | 2013-02-20 |
| CN102936004B true CN102936004B (en) | 2014-05-28 |
Family
ID=47694940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210410574.7A Active CN102936004B (en) | 2012-10-25 | 2012-10-25 | Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102936004B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495760B (en) * | 2014-12-02 | 2016-09-28 | 复旦大学 | Two cobaltous selenide micro-/ nano three-dimensional multistage structural materials and its preparation method and application |
| CN108821247B (en) * | 2018-05-24 | 2020-02-18 | 北京科技大学 | Three-dimensional skeleton-shaped CoSe for negative electrode material of potassium ion battery2Method for preparing electrode |
| CN113593918B (en) * | 2021-07-27 | 2022-09-30 | 陕西君普新航科技有限公司 | Self-assembly preparation method of lamellar cobalt selenide nanosheet array electrode |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7341976B2 (en) * | 2002-10-16 | 2008-03-11 | Conocophillips Company | Stabilized boehmite-derived catalyst supports, catalysts, methods of making and using |
| CN1194886C (en) * | 2003-04-17 | 2005-03-30 | 上海交通大学 | Preparation method of nano tricopper diselenide |
| CN100569899C (en) * | 2008-01-24 | 2009-12-16 | 上海交通大学 | The hydrothermal preparing process of water-soluble ZnCdSe quantum dot |
| CN101486450B (en) * | 2008-10-21 | 2011-05-25 | 同济大学 | Preparation of lead telluride base block thermoelectric material |
| CN101619034B (en) * | 2009-07-28 | 2012-07-25 | 辽宁大学 | Diselenide compound synthesis method |
-
2012
- 2012-10-25 CN CN201210410574.7A patent/CN102936004B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102936004A (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102897724B (en) | Tin selenide nano-flowers and preparation method thereof | |
| CN107376971B (en) | Synthetic method of graphite-like carbon nitride/molybdenum disulfide nano composite material | |
| CN102874773B (en) | Preparation method of porous nickel selenide hollow nanospheres | |
| Siddiqui et al. | Valuation of copper oxide (CuO) nanoflakes for its suitability as an absorbing material in solar cells fabrication | |
| CN102254985A (en) | Hydro-thermal synthesis method for copper-zinc-tin-sulfur photoelectric material | |
| CN105879884A (en) | One-dimensional ZnS (zinc sulfide)/CdS-C nanocomposite material and preparation method thereof | |
| CN102936004B (en) | Preparation method for preparing cobalt diselenide-ethylenediamine micron-grade flowers through hydrothermal method | |
| CN103030169A (en) | Shape-controlled preparation method of nanometer copper oxide | |
| CN106379871B (en) | A kind of method for preparing two selenizing rhenium nanometer sheets | |
| CN103101967A (en) | Preparation method three-dimensional multistage SnO2 nanoflowers | |
| Zhang et al. | Fabrication of oxygen-vacancy-rich black-BiOBr/BiOBr heterojunction with enhanced photocatalytic activity | |
| CN107814408B (en) | SnS rich in S vacancy2Preparation method of ultrathin nanosheet | |
| CN102951686A (en) | Preparation method for granular manganese tungstate nanocrystals | |
| Lin et al. | Novel g-C3N4/TiO2 nanorods with enhanced photocatalytic activity for water treatment and H2 production | |
| Qin et al. | Flower-like pyrite FeSe2 nanoparticles with enhanced optical properties by hot-injection | |
| Chumha et al. | Cyclic microwave radiation synthesis, photoconductivity, and optical properties of CuInS2 hollow sub-microspheres | |
| Fang et al. | Fabrication of BiOCl@ CdS/Ag 2 CO 3 heterojunctions with enhanced photocatalytic activity under visible-light irradiation | |
| Ali et al. | Investigating the thermoelectric power generation performance of ZnCuO: A p-type mixed-metal oxide system | |
| Xie et al. | Graphite oxide-assisted sonochemical preparation of α-Bi 2 O 3 nanosheets and their high-efficiency visible light photocatalytic activity | |
| Dang Phu et al. | Study of photocatalytic activities of Bi 2 WO 6/BiVO 4 nanocomposites | |
| Agafonov et al. | Controlling micro-and nanostructure and activity of the NaAlO 2 biodiesel transesterification catalyst by its dissolution in a mesoporous γ-Al 2 O 3-matrix | |
| CN102849780A (en) | Method for synthesizing ZnO nano-structure by using organic weak base | |
| Li et al. | Growth and characterization of ZnO nanoflakes by hydrothermal method: effect of hexamine concentration | |
| Feng et al. | Synthesis of AgI/2D-La 2 Ti 2 O 7 hybrids as a visible light photocatalyst for degradation of rhodamine B | |
| CN103408064B (en) | Method for preparing indium oxide cubes through microwave-assisted hydrothermal method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200601 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |