CN101406834A - Method for preparing silver and titanic oxide nano compound material at low temperature - Google Patents
Method for preparing silver and titanic oxide nano compound material at low temperature Download PDFInfo
- Publication number
- CN101406834A CN101406834A CNA2008101222244A CN200810122224A CN101406834A CN 101406834 A CN101406834 A CN 101406834A CN A2008101222244 A CNA2008101222244 A CN A2008101222244A CN 200810122224 A CN200810122224 A CN 200810122224A CN 101406834 A CN101406834 A CN 101406834A
- Authority
- CN
- China
- Prior art keywords
- silver
- compound
- liquid
- oxide nano
- low temperature
- 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.)
- Granted
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 32
- 239000004332 silver Substances 0.000 title claims abstract description 32
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- 150000001875 compounds Chemical class 0.000 title claims description 31
- 239000000463 material Substances 0.000 title claims description 22
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 30
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical group [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 12
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 8
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical group [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 6
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 6
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 5
- 229940043237 diethanolamine Drugs 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 7
- 238000007146 photocatalysis Methods 0.000 abstract description 5
- 230000001699 photocatalysis Effects 0.000 abstract description 5
- 239000002114 nanocomposite Substances 0.000 abstract 3
- 229910001923 silver oxide Inorganic materials 0.000 abstract 3
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Substances [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 abstract 3
- 238000004332 deodorization Methods 0.000 abstract 1
- 229940100890 silver compound Drugs 0.000 abstract 1
- 150000003379 silver compounds Chemical class 0.000 abstract 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 9
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a method for preparing a silver and titanium dioxide nano-composite at low temperature. The method comprises the following steps: (1) a titanium compound is dissolved in an organic solvent, so as to obtain an A solution; (2) the A solution is dripped into water gradually and stirred to form stable sol, so as to obtain a B solution; (3) a silver compound and diethanolameine are dissolved in the organic solvent, so as to obtain a C solution; and (4) the C solution and the B solution are mixed, aged and dried. The method has the advantages that the method is simple, needs no special device or high temperature condition, and can obtain the silver and titanium dioxide nano-composite at low temperature. In the prepared silver and titanium dioxide nano-composite, the size of silver particles is between 5 and 40 nanometers, and the size of titanium dioxide particles is between 4 and 6 nanometers. The composite has excellent properties in photocatalysis, deodorization and sterilization.
Description
Technical field
The present invention relates to the method that a kind of low temperature prepares silver and titanic oxide nano compound material.
Background technology
Metal-oxide semiconductor (MOS) titanium dioxide (TiO
2) be semiconductor material with wide forbidden band, energy gap is about 3.2～3.41eV, and is transparent in 0.35～12 mum wavelength interval, the refractive index height, and have characteristic of mechanical property height, stable chemical performance or the like.TiO at the ultraviolet light wave band
2Has photocatalysis characteristic, at numerous photochemical catalyst (TiO
2, ZnO, Fe
2O
3, CdS etc.) in, TiO
2Nontoxic with it, catalytic activity is high, good stability, characteristics such as cheap and easy to get are subject to people's attention.Metal energy and TiO
2Constitute composite photo-catalyst, metal is at metal/TiO
2Effect in the composite is the ultra-voltage that separates and reduce reduction reaction (reduction of proton, the reduction of dissolved oxygen) that helps light induced electron and hole, improves the activity of photochemical catalyst greatly, precious metals ag doped Ti O
2Be current TiO
2A focus in the study on the modification.There are some researches show, at TiO
2An amount of Ag of middle adding forms nanometer Ag/TiO
2Composite can significantly improve its photo-catalysis capability.
But obtain the Ag/TiO of crystalline state
2Composite in the preparation process of material, must pass through the heat treatment that is not less than 350 ℃.High-temperature heat treatment has limited Ag/TiO
2The application of composite on environment that can not experience high-temperature heat treatment and matrix.So, if can under low temperature even normal temperature, prepare Ag/TiO
2Composite all has important meaning for photocatalysis performance or other performance of the titanium dioxide of the compound silver of research.
Summary of the invention
The purpose of this invention is to provide the method that a kind of low temperature prepares silver and titanic oxide nano compound material.This
The low temperature of invention prepares the method for silver and titanic oxide nano compound material, and step is as follows:
1) titanium compound is dissolved in the organic solvent, gets A liquid, the mol ratio of organic solvent and titanium compound is greater than 2;
2) A liquid is dropwise splashed in the water, the mol ratio of water and titanium compound is greater than 20, and the pH value of regulator solution stirs up to forming stable sols to less than 7, gets B liquid;
3) compound and the diethanol amine with silver is 1 in molar ratio: 1-10 is dissolved in the organic solvent, gets C liquid, and the mol ratio of the compound of organic solvent and silver is greater than 6, and the compound of silver and the mol ratio of titanium compound are 0.001-0.3;
4) C liquid is mixed with B liquid, 50-200 ℃ of drying, obtain silver and titanic oxide nano compound material after the ageing.
The compound of above-mentioned titanium can be butyl titanate, titanium chloride or isopropyl titanate.Said organic solvent can be one or more in ethanol, propyl alcohol, ethylene glycol, propane diols, oxolane, acetone and the butanols.The compound of said silver can be silver nitrate or silver chlorate.
Beneficial effect of the present invention is:
Preparation method of the present invention is simple, need not special device and hot conditions, can obtain silver and titanic oxide nano compound material under cryogenic conditions.In the silver and titanic oxide nano compound material that makes, silver-colored particle size 5-40 nanometer, the titanium dioxide granule size is about the 4-6 nanometer.This composite has excellent photocatalysis, deodorizing, bactericidal property.
Description of drawings
Fig. 1 is the X ray diffracting spectrum of silver and titanic oxide nano compound material.
Fig. 2 is the transmission electron microscope photo of silver and titanic oxide nano compound material.
The specific embodiment
Further specify the present invention below in conjunction with instantiation.
Embodiment 1
1) butyl titanate is dissolved in the ethanol, the mol ratio of butyl titanate and ethanol is 1: 6, obtains A liquid;
2) A liquid is dropwise splashed in the water, the mol ratio of water and butyl titanate is 40, with the pH value to 3 of nitric acid regulator solution, stirs up to forming stable sols, gets B liquid;
3) diethanol amine with silver nitrate and equivalent is dissolved in the ethanol, gets C liquid, and the mol ratio of ethanol and silver nitrate is 12, and the mol ratio of silver nitrate and butyl titanate is 0.1;
4) C liquid is mixed with B liquid, 50 ℃ of dryings, obtain silver and titanic oxide nano compound material after the ageing.
The silver that makes and the X ray diffracting spectrum of titanic oxide nano compound material as shown in Figure 1, titanium dioxide is made up of anatase and brockite, silver exists with the zeroth order silver of face-centred cubic structure.The silver and the transmission electron microscope photo of titanic oxide nano compound material as shown in Figure 2, the particle size of titanium dioxide is about 5 nanometers, the size 10-20 nanometer of silver-colored particle.
Embodiment 2
1) isopropyl titanate is dissolved in the ethylene glycol, the mol ratio of isopropyl titanate and ethylene glycol is 1: 5, obtains A liquid;
2) A liquid is dropwise splashed in the water, the mol ratio of water and isopropyl titanate is 100, with the pH value to 2 of nitric acid regulator solution, stirs up to forming stable sols, gets B liquid;
3) be to be dissolved in ethylene glycol at 1: 4 in molar ratio with silver nitrate and diethanol amine, C liquid, the mol ratio of ethylene glycol and silver nitrate is 10, the mol ratio of silver nitrate and isopropyl titanate is 0.001;
4) C liquid is mixed with B liquid, 100 ℃ of dryings, obtain silver and titanic oxide nano compound material after the ageing.
The size of prepared titanium dioxide crystal is about 6 nanometers, the size 4-10 nanometer of silver-colored particle.
Embodiment 3
1) titanium chloride is dissolved in the propyl alcohol, the mol ratio of titanium chloride and propyl alcohol is 1: 10, obtains A liquid;
2) A liquid is dropwise splashed in the water, the mol ratio of water and titanium chloride is 200, with the pH value to 4 of hydrochloric acid conditioning solution, stirs up to forming stable sols, gets B liquid;
3) be to be dissolved in propyl alcohol at 1: 8 in molar ratio with silver chlorate and diethanol amine, C liquid, the mol ratio of propyl alcohol and silver chlorate is 20, the mol ratio of silver chlorate and titanium chloride is 0.3;
4) C liquid is mixed with B liquid, 150 ℃ of dryings, obtain silver and titanic oxide nano compound material after the ageing.
The size of prepared titanium dioxide crystal is about 4 nanometers, the size 15-40 nanometer of silver-colored particle.
Claims (4)
1. a low temperature prepares the method for silver and titanic oxide nano compound material, it is characterized in that may further comprise the steps:
1) titanium compound is dissolved in the organic solvent, gets A liquid, the mol ratio of organic solvent and titanium compound is greater than 2;
2) A liquid is dropwise splashed in the water, the mol ratio of water and titanium compound is greater than 20, and the pH value of regulator solution stirs up to forming stable sols to less than 7, gets B liquid;
3) compound and the diethanol amine with silver is 1 in molar ratio: 1-10 is dissolved in the organic solvent, gets C liquid, and the mol ratio of the compound of organic solvent and silver is greater than 6, and the compound of silver and the mol ratio of titanium compound are 0.001-0.3;
4) C liquid is mixed with B liquid, 50-200 ℃ of drying, obtain silver and titanic oxide nano compound material after the ageing.
2. low temperature according to claim 1 prepares the method for silver and titanic oxide nano compound material, and the compound that it is characterized in that said titanium is butyl titanate, titanium chloride or isopropyl titanate.
3. low temperature according to claim 1 prepares the method for silver and titanic oxide nano compound material, it is characterized in that said organic solvent is one or more in ethanol, propyl alcohol, ethylene glycol, propane diols, oxolane, acetone and the butanols.
4. low temperature according to claim 1 prepares the method for silver and titanic oxide nano compound material, and the compound that it is characterized in that said silver is silver nitrate or silver chlorate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101222244A CN101406834B (en) | 2008-11-04 | 2008-11-04 | Method for preparing silver and titanic oxide nano compound material at low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101222244A CN101406834B (en) | 2008-11-04 | 2008-11-04 | Method for preparing silver and titanic oxide nano compound material at low temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101406834A true CN101406834A (en) | 2009-04-15 |
| CN101406834B CN101406834B (en) | 2010-07-07 |
Family
ID=40570155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101222244A Expired - Fee Related CN101406834B (en) | 2008-11-04 | 2008-11-04 | Method for preparing silver and titanic oxide nano compound material at low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101406834B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613556B (en) * | 2009-07-16 | 2011-09-14 | 浙江大学 | Preparation method of titanium silver-based antimildew and antibacterial emulsion paint interior wall paint |
| CN102513103A (en) * | 2011-11-14 | 2012-06-27 | 浙江大学 | Preparation method of surfactant for photo-reduction method of Ag/TiO2 nano heterogenous junction by virtue of induction |
| CN103240084A (en) * | 2013-05-10 | 2013-08-14 | 天津大学 | Titanium dioxide-silver nano-composite material and synthetic method thereof |
| CN104722296A (en) * | 2015-04-02 | 2015-06-24 | 东北林业大学 | Method for preparing Ag-TiO2 compound photocatalyst at low temperature |
| CN106679307A (en) * | 2016-12-28 | 2017-05-17 | 青岛海尔股份有限公司 | Panel, refrigerator with sterilization inner container and manufacturing method for sterilization inner container |
| CN107774286A (en) * | 2017-09-29 | 2018-03-09 | 郑州爱可安环保技术有限公司 | A kind of method of low temperature preparation composite photo-catalyst |
| WO2018121509A1 (en) * | 2016-12-30 | 2018-07-05 | 苏州律点信息科技有限公司 | Formaldehyde adsorbing building coating |
| CN113786831A (en) * | 2021-09-10 | 2021-12-14 | 上海电力大学 | Amorphous TiO2Ag/composite nano-particle and preparation method and application thereof |
| CN113970582A (en) * | 2021-10-18 | 2022-01-25 | 嘉兴学院 | Whole-course mild preparation method of flexible ammonia gas sensor and ammonia gas sensor |
| CN116036130A (en) * | 2023-01-10 | 2023-05-02 | 长沙绿湘环保科技有限公司 | Antibacterial composite material combining Chinese and western medicine and preparation method and application thereof |
-
2008
- 2008-11-04 CN CN2008101222244A patent/CN101406834B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613556B (en) * | 2009-07-16 | 2011-09-14 | 浙江大学 | Preparation method of titanium silver-based antimildew and antibacterial emulsion paint interior wall paint |
| CN102513103A (en) * | 2011-11-14 | 2012-06-27 | 浙江大学 | Preparation method of surfactant for photo-reduction method of Ag/TiO2 nano heterogenous junction by virtue of induction |
| CN102513103B (en) * | 2011-11-14 | 2013-11-13 | 浙江大学 | Preparation method of surfactant for photo-reduction method of Ag/TiO2 nano heterogenous junction by virtue of induction |
| CN103240084A (en) * | 2013-05-10 | 2013-08-14 | 天津大学 | Titanium dioxide-silver nano-composite material and synthetic method thereof |
| CN104722296A (en) * | 2015-04-02 | 2015-06-24 | 东北林业大学 | Method for preparing Ag-TiO2 compound photocatalyst at low temperature |
| CN106679307B (en) * | 2016-12-28 | 2019-05-31 | 青岛海尔股份有限公司 | A kind of plate, the refrigerator with sterilization liner and the production method for sterilizing liner |
| CN106679307A (en) * | 2016-12-28 | 2017-05-17 | 青岛海尔股份有限公司 | Panel, refrigerator with sterilization inner container and manufacturing method for sterilization inner container |
| WO2018121509A1 (en) * | 2016-12-30 | 2018-07-05 | 苏州律点信息科技有限公司 | Formaldehyde adsorbing building coating |
| CN107774286A (en) * | 2017-09-29 | 2018-03-09 | 郑州爱可安环保技术有限公司 | A kind of method of low temperature preparation composite photo-catalyst |
| CN113786831A (en) * | 2021-09-10 | 2021-12-14 | 上海电力大学 | Amorphous TiO2Ag/composite nano-particle and preparation method and application thereof |
| CN113970582A (en) * | 2021-10-18 | 2022-01-25 | 嘉兴学院 | Whole-course mild preparation method of flexible ammonia gas sensor and ammonia gas sensor |
| CN113970582B (en) * | 2021-10-18 | 2023-07-21 | 嘉兴学院 | Whole-course mild preparation method of flexible ammonia sensor and ammonia sensor |
| CN116036130A (en) * | 2023-01-10 | 2023-05-02 | 长沙绿湘环保科技有限公司 | Antibacterial composite material combining Chinese and western medicine and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101406834B (en) | 2010-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101406834B (en) | Method for preparing silver and titanic oxide nano compound material at low temperature | |
| Periyat et al. | Improved high-temperature stability and sun-light-driven photocatalytic activity of sulfur-doped anatase TiO2 | |
| CN100998937B (en) | Fluorine doped-anatase type TiO2 collosol photo catalyst preparation method | |
| Hirano et al. | Direct formation of anatase (TiO2)/silica (SiO2) composite nanoparticles with high phase stability of 1300° C from acidic solution by hydrolysis under hydrothermal condition | |
| Yin et al. | Synthesis and photocatalytic properties of fibrous titania prepared from protonic layered tetratitanate precursor in supercritical alcohols | |
| Usai et al. | Monoclinic–tetragonal heterostructured BiVO4 by yttrium doping with improved photocatalytic activity | |
| Abazović et al. | Photoluminescence of anatase and rutile TiO2 particles | |
| Periyat et al. | One-pot synthesis of anionic (nitrogen) and cationic (sulfur) codoped high-temperature stable, visible light active, anatase photocatalysts | |
| Kang et al. | Mesoporous SiO2-modified nanocrystalline TiO2 with high anatase thermal stability and large surface area as efficient photocatalyst | |
| He et al. | Photocatalytic degradation of methyl orange over nitrogen–fluorine codoped TiO2 nanobelts prepared by solvothermal synthesis | |
| Choi et al. | Effects of single metal-ion doping on the visible-light photoreactivity of TiO2 | |
| Shi et al. | Photocatalytic activity enhancement for Bi2WO6 by fluorine substitution | |
| Yang et al. | Silver and indium oxide codoped TiO 2 nanocomposites with enhanced photocatalytic activity | |
| CN106914236B (en) | The amorphous state plasma hetero-junctions nano-TiO of efficient visible light response2Colloidal sol | |
| Wang et al. | Preparation and photocatalytic properties of Zr4+-doped TiO2 nanocrystals | |
| Parida et al. | Gold promoted S, N− doped TiO2: an efficient catalyst for CO adsorption and oxidation | |
| Chouke et al. | Biosynthesized δ-Bi2O3 nanoparticles from Crinum viviparum flower extract for photocatalytic dye degradation and molecular docking | |
| Di Paola et al. | Coupled semiconductor systems for photocatalysis. Preparation and characterization of polycrystalline mixed WO3/WS2 powders | |
| JP2003137549A (en) | Method for manufacturing tubular titanium oxide grain and tubular titanium oxide | |
| CN101474556B (en) | Preparation method of fluorine and lanthanum co-doped nano titanic oxide visible light photocatalyst | |
| CN110605134A (en) | Hollow core-shell structure nitrogen-doped TiO2Method for preparing microspheres | |
| JP5212353B2 (en) | Visible light responsive titanium oxide fine particle dispersion and method for producing the same | |
| CN1775349B (en) | Wolfram oxide modified visible light activity nano titanium oxide photocatalyst and its method | |
| CN106975497A (en) | Titanium dioxide nanoplate and copper-zinc-tin-sulfur nano particle hetero-junctions preparation method and application | |
| JP2003168495A (en) | Photoelectric cell and photocatalyst |
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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090415 Assignee: Weihai Blue Star Glass Group Co., Ltd. Assignor: Zhejiang University Contract record no.: 2013330000090 Denomination of invention: Method for preparing silver and titanic oxide nano compound material at low temperature Granted publication date: 20100707 License type: Common License Record date: 20130422 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20191104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |