CN103861578A - Rare earth doped nanometer TiO2 photocatalyst emulsion - Google Patents
Rare earth doped nanometer TiO2 photocatalyst emulsion Download PDFInfo
- Publication number
- CN103861578A CN103861578A CN201210547855.7A CN201210547855A CN103861578A CN 103861578 A CN103861578 A CN 103861578A CN 201210547855 A CN201210547855 A CN 201210547855A CN 103861578 A CN103861578 A CN 103861578A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- rare
- photo
- nano tio
- emulsion
- 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.)
- Pending
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 40
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 27
- 239000000839 emulsion Substances 0.000 title claims abstract description 23
- 239000011941 photocatalyst Substances 0.000 title abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 8
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 23
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- -1 rare-earth salts Chemical class 0.000 claims description 11
- 150000004679 hydroxides Chemical class 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 150000003608 titanium Chemical class 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 3
- OBOSXEWFRARQPU-UHFFFAOYSA-N 2-n,2-n-dimethylpyridine-2,5-diamine Chemical compound CN(C)C1=CC=C(N)C=N1 OBOSXEWFRARQPU-UHFFFAOYSA-N 0.000 claims description 2
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 claims description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 2
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 2
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 claims description 2
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 claims description 2
- BHXBZLPMVFUQBQ-UHFFFAOYSA-K samarium(iii) chloride Chemical compound Cl[Sm](Cl)Cl BHXBZLPMVFUQBQ-UHFFFAOYSA-K 0.000 claims description 2
- 230000001699 photocatalysis Effects 0.000 abstract description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000007146 photocatalysis Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- YXEUGTSPQFTXTR-UHFFFAOYSA-K lanthanum(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[La+3] YXEUGTSPQFTXTR-UHFFFAOYSA-K 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000000280 vitalizing effect Effects 0.000 description 1
- DEXZEPDUSNRVTN-UHFFFAOYSA-K yttrium(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[Y+3] DEXZEPDUSNRVTN-UHFFFAOYSA-K 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
The invention relates to a rare earth doped nanometer TiO2 photocatalyst emulsion, and belongs to the technical field of photocatalyst materials. Firstly, a rear earth salt and a titanate are dissolved, and are reacted with ammonia water for forming a hydroxide precipitation, through calcining, a rare earth doped nanometer TiO2 powder is prepared, then a film forming agent and an emulsifier are added, so that the rare earth doped nanometer TiO2 photocatalyst emulsion is prepared. After the photocatalyst emulsion is doped with rear earth, the photocatalyst is capable of widening the spectrum response region, sunshine can be directly utilized for realizing degradation of organic pollutants such as formaldehyde, benzene, bacteria and the like, and the photocatalysis efficiency is improved. Also, the preparation technology of the photocatalyst emulsion is simple and convenient for industrialized production.
Description
Technical field
The invention belongs to catalysis material technical field, be specifically related to a kind of rare earth mixing with nano TiO
2photo-catalytic emulsion.
Background technology
Nano photo-catalytic is a kind of with nano-TiO
2for the nano level metal oxide materials of representative, under the effect of light, nano photo-catalytic can produce strong catalytic degradation function, and the airborne pernicious gas of effectively degrading, can effectively kill various bacteria, also possesses the function such as deodorizing, anti-soil simultaneously.But nano-TiO
2there are problems, limited the application of its reality, due to TiO
2it is wide bandgap semiconductor compound, only have the shorter solar energy of wavelength (λ < 387nm) just can be absorbed, and this part ultraviolet ray (300~400nm) only accounts for and reach 4%~6% of solar energy on ground, solar energy utilization ratio is very low; On the other hand, be subject to hole and electronics that optical excitation forms to be easy to compoundly, reduced photo-quantum efficiency.Therefore, shorten energy gap and make nano-TiO
2having visible light activity becomes study hotspot, the normal method that adopts doping.
At TiO
2the rare earth element that middle doping is suitable, can be at TiO
2between the valence band of band structure and conduction band, form a defect energy state, defect energy state may be near valence band, and also possibility is near conduction band.Defect energy state, for light induced electron provides a springboard, can utilize the excited by visible light electronics that energy is lower, be transferred in two steps conduction band, thereby the optical absorption edge of vitalizing semiconductor moves by valence band to visible ray.Rare earth metal has unique 4f subgrade electronic structure, almost can react with all elements, forms the compound of multivalence state, polygamy figure place, has the characteristic such as optical, electrical, magnetic of many excellences.
Rare-earth cerium doped photocatalyst is had to certain research both at home and abroad.Application number is that the patent of invention of 200710061876.7200810079599.7 has been announced a kind of metallic ion doped nano TiO
2transparent photo-catalytic emulsion and preparation method thereof, the patent of invention that application number is 200810079599.7 has been announced a kind of composite metal ion doped nano-TiO
2photocatalyst transparency emulsion and preparation method, all adopt cerium to nano-TiO
2photocatalyst has been prepared in doping.But at present to other rare earth ion doped nano-TiOs
2photocatalyst research is less.
Given this, the present invention proposes a kind of rare earth mixing with nano TiO
2photo-catalytic emulsion, adopts multiple rare earth element to nano-TiO
2carry out doping vario-property, prepare photo-catalytic emulsion.
Summary of the invention
The object of the present invention is to provide a kind of rare earth mixing with nano TiO
2photo-catalytic emulsion.Through multiple rare earth doped after, photocatalyst can be widened spectral response interval, improves photocatalysis effect under solar radiation.
In order to realize above-mentioned object, the technical solution used in the present invention is:
A kind of rare earth mixing with nano TiO provided by the invention
2photo-catalytic emulsion, preparation process comprises:
(1) titanium salt and rare-earth salts are successively added in deionized water and dissolved, cross and filter to remove impurity;
(2) in the solution of step (1), drip alkali lye, form the muddy colloidal solution of titanium hydroxide and rare-earth hydroxide;
(3) the muddy colloidal solution of step (2) is filtered, obtain mixed hydroxides, deionized water cyclic washing, filters, and dries, and obtains mixed hydroxides powder;
(4) the mixed hydroxides powder of step (3) is moved in Muffle furnace, calcining, obtains rare earth mixing with nano TiO
2powder.
(5) rare earth mixing with nano TiO step (4) being made
2powder adds in deionized water, then to add appropriate film forming agent and emulsifying agent, temperature be 50~100 DEG C, and strong agitation is fully disperseed, and makes rare earth mixing with nano TiO
2photo-catalytic emulsion.
Preferably, described titanium salt is the one of titanyl sulfate, titanium tetrachloride.
Preferably, described rare-earth salts is one or more mixture of cerous nitrate, lanthanum nitrate, yttrium nitrate, neodymium nitrate, samaric nitrate, cerium chloride, lanthanum chloride, yttrium chloride, neodymium chloride, samarium trichloride.
Preferably, 0.5~5% (molar percentage) that the addition of described rare-earth salts is titanium salt.
Preferably, described alkali lye is ammoniacal liquor.
Preferably, described strong oxidizer is hydrogen peroxide.
The beneficial effect that the present invention has:
The present invention relates to a kind of rare earth mixing with nano TiO
2photo-catalytic emulsion.After rear-earth-doped, photocatalyst can be widened spectral response interval, can directly utilize sunshine or fluorescent lamp, realizes the degraded of the organic pollutions such as PARA FORMALDEHYDE PRILLS(91,95), benzene, bacterium, has improved photocatalysis efficiency.Photo-catalytic emulsion preparation technology is simple, is convenient to suitability for industrialized production.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but do not limit protection scope of the present invention.
Embodiment 1
Titanium tetrachloride and rare earth lanthanum nitrate are added in deionized water and dissolved, cross and filter to remove impurity, in solution, drip ammoniacal liquor, form the muddy colloidal solution of titanium hydroxide and lanthanum hydroxide, filter, deionized water cyclic washing, dry, obtain mixed hydroxides powder, powder is moved in Muffle furnace, calcining, obtains rear earth lanthanum doping nano-TiO
2powder.By the rear earth lanthanum doping nano-TiO making
2powder adds in deionized water, then adds appropriate film forming agent and emulsifying agent, makes rare earth mixing with nano TiO
2photo-catalytic emulsion.
Embodiment 2
Titanyl sulfate and rare earth yttrium nitrate are added in deionized water and dissolved, cross and filter to remove impurity, in solution, drip ammoniacal liquor, form the muddy colloidal solution of titanium hydroxide and yttrium hydroxide, filter, deionized water cyclic washing, dry, obtain mixed hydroxides powder, powder is moved in Muffle furnace, calcining, obtains rare earth Yt doped nano-TiO
2powder.By the rare earth Yt doped nano-TiO making
2powder adds in deionized water, then adds appropriate film forming agent and emulsifying agent, makes rare earth mixing with nano TiO
2photo-catalytic emulsion.
The above is only preferred embodiment of the present invention.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical scheme of the present invention.
Claims (4)
1. a rare earth mixing with nano TiO
2photo-catalytic emulsion, is characterized in that preparation process comprises:
(1) titanium salt and rare-earth salts are successively added in deionized water and dissolved, cross and filter to remove impurity;
(2) in the solution of step (1), drip ammoniacal liquor, form the muddy colloidal solution of titanium hydroxide and rare-earth hydroxide;
(3) the muddy colloidal solution of step (2) is filtered, obtain mixed hydroxides, deionized water cyclic washing, filters, and dries, and obtains mixed hydroxides powder;
(4) the mixed hydroxides powder of step (3) is moved in Muffle furnace, calcining, obtains rare earth mixing with nano TiO
2powder.
(5) rare earth mixing with nano TiO step (4) being made
2powder adds in deionized water, then to add appropriate film forming agent and emulsifying agent, temperature be 50~100 DEG C, and strong agitation is fully disperseed, and makes rare earth mixing with nano TiO
2photo-catalytic emulsion.
2. rare earth mixing with nano TiO according to claim 1
2photo-catalytic emulsion, is characterized in that described titanium salt is the one of titanyl sulfate, titanium tetrachloride.
3. rare earth mixing with nano TiO according to claim 1
2photo-catalytic emulsion, is characterized in that described rare-earth salts is one or more mixture of cerous nitrate, lanthanum nitrate, yttrium nitrate, neodymium nitrate, samaric nitrate, cerium chloride, lanthanum chloride, yttrium chloride, neodymium chloride, samarium trichloride.
4. according to the rare earth mixing with nano TiO described in claim 1 and 3
2photo-catalytic emulsion, 0.5~5% (molar percentage) that the addition that it is characterized in that described rare-earth salts is titanium salt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210547855.7A CN103861578A (en) | 2012-12-17 | 2012-12-17 | Rare earth doped nanometer TiO2 photocatalyst emulsion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210547855.7A CN103861578A (en) | 2012-12-17 | 2012-12-17 | Rare earth doped nanometer TiO2 photocatalyst emulsion |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103861578A true CN103861578A (en) | 2014-06-18 |
Family
ID=50900946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210547855.7A Pending CN103861578A (en) | 2012-12-17 | 2012-12-17 | Rare earth doped nanometer TiO2 photocatalyst emulsion |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103861578A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105597726A (en) * | 2014-11-18 | 2016-05-25 | 天津发洋环保科技有限公司 | Composite photocatalyst hydrosol |
CN105797705A (en) * | 2014-12-28 | 2016-07-27 | 天津发洋环保科技有限公司 | Preparation method of lightweight efficient load-type photocatalyst for air purifier |
CN107488370A (en) * | 2017-09-25 | 2017-12-19 | 深圳飞阳环保科技有限公司 | The preparation method and metal ion Cleaning luminaire of a kind of new type purification material |
CN108906026A (en) * | 2018-08-07 | 2018-11-30 | 吉林大学 | Lanthanum cerium codoping titanium oxide material and preparation method based on mischmetal carbonate |
CN109865511A (en) * | 2017-12-04 | 2019-06-11 | 天津发洋环保科技有限公司 | A kind of preparation method of doped nano photo-catalytic emulsion |
CN109876805A (en) * | 2017-12-06 | 2019-06-14 | 天津发洋环保科技有限公司 | A kind of Ag doping TiO2The preparation method of nano photo-catalytic |
CN111214951A (en) * | 2020-02-28 | 2020-06-02 | 山东锦程地毯有限公司 | Floor mat with toxic gas removal function and preparation method thereof |
CN115352148A (en) * | 2022-10-17 | 2022-11-18 | 宁波时代铝箔科技股份有限公司 | Separable packaging material, preparation method thereof and packaging container |
CN115475611A (en) * | 2021-05-31 | 2022-12-16 | 立邦涂料(中国)有限公司 | Rare earth coated nano photocatalyst, anti-disease bacterium composition, preparation method and application thereof |
-
2012
- 2012-12-17 CN CN201210547855.7A patent/CN103861578A/en active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105597726A (en) * | 2014-11-18 | 2016-05-25 | 天津发洋环保科技有限公司 | Composite photocatalyst hydrosol |
CN105797705A (en) * | 2014-12-28 | 2016-07-27 | 天津发洋环保科技有限公司 | Preparation method of lightweight efficient load-type photocatalyst for air purifier |
CN107488370A (en) * | 2017-09-25 | 2017-12-19 | 深圳飞阳环保科技有限公司 | The preparation method and metal ion Cleaning luminaire of a kind of new type purification material |
CN109865511A (en) * | 2017-12-04 | 2019-06-11 | 天津发洋环保科技有限公司 | A kind of preparation method of doped nano photo-catalytic emulsion |
CN109876805A (en) * | 2017-12-06 | 2019-06-14 | 天津发洋环保科技有限公司 | A kind of Ag doping TiO2The preparation method of nano photo-catalytic |
CN108906026A (en) * | 2018-08-07 | 2018-11-30 | 吉林大学 | Lanthanum cerium codoping titanium oxide material and preparation method based on mischmetal carbonate |
CN108906026B (en) * | 2018-08-07 | 2021-04-16 | 吉林大学 | Lanthanum-cerium co-doped titanium oxide material based on mixed rare earth carbonate and preparation method thereof |
CN111214951A (en) * | 2020-02-28 | 2020-06-02 | 山东锦程地毯有限公司 | Floor mat with toxic gas removal function and preparation method thereof |
CN115475611A (en) * | 2021-05-31 | 2022-12-16 | 立邦涂料(中国)有限公司 | Rare earth coated nano photocatalyst, anti-disease bacterium composition, preparation method and application thereof |
CN115475611B (en) * | 2021-05-31 | 2023-09-15 | 立邦涂料(中国)有限公司 | Antibacterial composition and preparation method and application thereof |
CN115352148A (en) * | 2022-10-17 | 2022-11-18 | 宁波时代铝箔科技股份有限公司 | Separable packaging material, preparation method thereof and packaging container |
CN115352148B (en) * | 2022-10-17 | 2023-03-24 | 宁波时代铝箔科技股份有限公司 | Separable packaging material, preparation method thereof and packaging container |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103861578A (en) | Rare earth doped nanometer TiO2 photocatalyst emulsion | |
Mehtab et al. | Rare earth doped metal oxide nanoparticles for photocatalysis: a perspective | |
Liang et al. | Fabrication and characterization of BiOBr: Yb3+, Er3+/g-C3N4 pn junction photocatalysts with enhanced visible-NIR-light-driven photoactivities | |
Dash et al. | Microwave synthesis, photoluminescence, and photocatalytic activity of PVA-functionalized Eu3+-doped BiOX (X= Cl, Br, I) nanoflakes | |
Zhang et al. | Self-assembled 3-D architectures of BiOBr as a visible light-driven photocatalyst | |
Tian et al. | Mixed-calcination synthesis of CdWO4/g-C3N4 heterojunction with enhanced visible-light-driven photocatalytic activity | |
Zaleska | Doped-TiO2: a review | |
CN101116808B (en) | Photocatalysis powder having a negative ion releasing function and method for preparing the same | |
CN101792117B (en) | Method for preparing tungsten-doped anatase type nano titanium dioxide composite powder | |
CN104888819A (en) | Preparation and photocatalytic application of Na4Ni3P4O15 photocatalyst | |
CN102824921A (en) | Preparation method of Ag2S/Ag3PO4 composite photocatalyst | |
CN102380366B (en) | Bismuth and silicon doped nano titanium dioxide photocatalyst, preparation and application thereof | |
Li et al. | Synthesis of Yb3+/Ho3+ co-doped Bi2WO6 upconversion photocatalyst with highly improved visible light photocatalytic activity | |
CN101502795B (en) | Photocatalysis nano material with energy conversion and preparation method thereof | |
Hojamberdiev et al. | Er3+-doping induced formation of orthorhombic/monoclinic Bi5O7I heterostructure with enhanced visible-light photocatalytic activity for removal of contaminants | |
CN103894177A (en) | Method for synthesizing rare earth doped potassium titanate powder with photocatalytic activity | |
CN103721700B (en) | A kind of high activity SnO 2-TiO 2the preparation method of composite photo-catalyst | |
CN104226340B (en) | Visible light nano composite photo-catalyst AgCl-SnO 2preparation method | |
Ding et al. | Structural phase-transition in CeVO4 nanobelts by P-doping enables better levofloxacin photocatalysis | |
CN105056956A (en) | Visible light responsive NaFeTi3O8 photocatalytic material, preparation method and application thereof | |
CN104801308A (en) | NiFe2O4/TiO2/sepiolite composite photocatalyst and preparation method thereof | |
CN104226320B (en) | The preparation method of vanadium boron codope titanium dioxide and nickel oxide composite photo-catalyst | |
CN105289577A (en) | Vanadium tantalum/niobate photocatalyst and preparation method and application of vanadium tantalum/niobate photocatalyst | |
CN102989485B (en) | S-doped BiVO4 visible light catalytic material and preparation method thereof | |
CN103127885A (en) | Sonochemistry preparing method of nitrogen and rare earth element codope nanometer titania crystal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |