CN1712130A - Manufacture of Ag+-Fe+ dosed TiO2 weakly exciting catalytic luminating film - Google Patents
Manufacture of Ag+-Fe+ dosed TiO2 weakly exciting catalytic luminating film Download PDFInfo
- Publication number
- CN1712130A CN1712130A CN200510018656.7A CN200510018656A CN1712130A CN 1712130 A CN1712130 A CN 1712130A CN 200510018656 A CN200510018656 A CN 200510018656A CN 1712130 A CN1712130 A CN 1712130A
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- CN
- China
- Prior art keywords
- composite mixed
- exciting light
- mixed tio
- light catalytic
- film
- Prior art date
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Links
- 230000003197 catalytic effect Effects 0.000 title claims description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 5
- 238000003980 solgel method Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 32
- 239000002131 composite material Substances 0.000 claims description 31
- 238000009413 insulation Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 229940043237 diethanolamine Drugs 0.000 claims description 8
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 6
- 239000002019 doping agent Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003618 dip coating Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000007598 dipping method Methods 0.000 abstract 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 abstract 1
- 239000011941 photocatalyst Substances 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 13
- 241000894006 Bacteria Species 0.000 description 9
- 238000007146 photocatalysis Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 239000005357 flat glass Substances 0.000 description 5
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 3
- 229940012189 methyl orange Drugs 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006916 nutrient agar Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
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- Catalysts (AREA)
Abstract
An Ag-Fe doped photocatalyst film excited by weak light is prepared through preparing the Ag-Fe doped TiO2 sol from butyl titanate, absolute alcohol, water, diethanolamine, silver nitrate and iron nitrate by sol-gel method, cleaning substrate, coating said sol on the substrate by dipping and pulling up, and heat treating by electric oven.
Description
Technical field
The present invention relates to a kind of photocatalysis TiO
2The preparation method of film.
Background technology
So-called photocatalysis film is meant that redox reaction can take place on its surface when this film during by the ultra violet lamp of power necessarily.Coated glass can be placed in the sulculus that methyl orange is housed, use this sulculus a period of time of ultra violet lamp of certain power then, find that the methyl orange color shoals, survey its transmittance and increase.Declaratives methyl orange is decomposed.This photocatalysis film can be used for disposing of sewage, degrading poisonous and harmful organic gas, sterilization, deodorizing etc.
Photocatalysis TiO
2Film is generally and is mixed with single transition metal ions (as Fe
3+, Cu
2+Deng) or silver is ion (Ag
+Deng) single composite mixed film, all can improve TiO to a certain extent
2Photocatalytic.Have now in the doping with Fe
3+Best results, but its excitaton source is the uviol lamp more than 18 watts, and its wavelength is 254nm, bigger to the consumption of the energy, and bigger to the human injury, thereby its range of application is very restricted.
Summary of the invention
At the deficiency of above-mentioned existing photochemical catalyst, the purpose of this invention is to provide a kind of low-power, long wave ultraviolet excitation or day optical excitation, Ag that photocatalysis performance is good
+-Fe
3-Composite mixed TiO
2The preparation method of weak exciting light catalytic film.
The object of the present invention is achieved like this: a kind of Ag
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film is characterized in that comprising the steps:
1). press butyl titanate: absolute ethyl alcohol: water: the mol ratio of diethanol amine=1: 26.5: 1: 1, the mole proportioning of amounts of dopant ions and butyl titanate is respectively: Ag
-: butyl titanate=0.00043: 1, Fe
3+: butyl titanate=0.0001: 1, choose butyl titanate, absolute ethyl alcohol, water, diethanol amine, silver nitrate, ferric nitrate; Prepare Ag with sol-gel process
+, Fe
3+Composite mixed TiO
2Colloidal sol;
2). substrate cleans;
3). adopt dip-coating method on substrate, to apply Ag
+, Fe
3+Composite mixed TiO
2Colloidal sol, pull rate is 5mm/s, at Ag
+, Fe
3+Composite mixed TiO
2Dip time is 35-45 second in the colloidal sol;
4). heat-treat with resistance furnace, 100 ℃ of insulation 1h, 200 ℃ of insulation 1h, 300 ℃ of insulation 1h, 500 ℃ of insulation 2h, heating rate is controlled at about 1 ℃/s; Employing is closed fire door and is cooled off naturally, obtains Ag at substrate
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film.
Described substrate is glass or pottery.
Described substrate cleans: clean 15min in the KQ-250DB numerical control supersonic washer, watery hydrochloric acid soaks 30min, and soaked in absolute ethyl alcohol 30min boils 30min, dries stand-by.
Described pull rate is accurate to ± 1mm/s, and dip time is accurate to ± 1s, can not cause liquid level obviously to vibrate when lifting.
Described on-chip Ag
+-Fe
3+Composite mixed TiO
2The thickness of weak exciting light catalytic film is 30～50nm.
The 1st) proportioning of butyl titanate, absolute ethyl alcohol, water, diethanol amine can influence the stability and the photocatalysis TiO of colloidal sol in the step
2The photocatalytic activity of film, the proportioning of amounts of dopant ions and butyl titanate (mole) will influence TiO greatly
2The photocatalytic activity of film, therefore, the proportioning of amounts of dopant ions and butyl titanate must strict control.The 2nd) substrate material must clean up in the step, otherwise can influence the adhesive force of film and substrate and influence the purity of film, finally influences TiO
2The photocatalytic activity of film.The 3rd) coating film thickness is 30-50nm in the step, the thickness of film mainly by pull rate and substrate the dip time in colloidal sol control, pull rate must be strict controlled in 5mm/s, and dip time is 35-45 second (the best is 40 seconds), and precision prescribed is respectively ± 1mm/s, ± 1s; Can not cause the obvious vibration of liquid level when lifting, the vibration of liquid level will influence the uniformity of film forming and then influence quality of forming film.The 4th) heating rate is controlled at about 1 ℃/s in the step, adopts during cooling to close fire door and cool off naturally, cools off and may have influence on TiO because of opening fire door
2Crystal formation change and quality of forming film, and then have influence on its photocatalytic activity.
The present invention compared with prior art has following characteristics:
1, the high efficiency of performance can [natural daylight or low wattage uviol lamp (3W)] produce performance efficiently under weak shooting condition.Ag
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film surface has more electron-hole pair and low electronics-hole-recombination rate, and this compares with present most of photocatalysis films of reporting, has improved the photosensitivity and the light-catalyzed reaction speed of film.
2, the broad-spectrum degradability under weak shooting condition, the most of harmful organic substance gases in the car of can degrading, and killing bacteria are particularly suitable for the degrading polycyclic aromatic hydrocarbons class, the polychlorinated biphenyl material.
3, the property of can be recycled, Ag
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film is subjected to ambient light to intensify the strong active light induced electron of generation, easily invade in the structure of organic matter or microorganism, photohole is then captured the free electron of organic matter or microorganism, destroy organic matter or microorganism structure by redox reaction, realize the answer of self energy level simultaneously, and accept light once more and excite, produce light induced electron and photohole again, the entire reaction continual renovation that goes round and begins again.
Adopt the Ag of the inventive method preparation
+-Fe
3+Composite mixed TiO
2The photocatalytic of weak exciting light catalytic film obviously improves, and use be low-power uviol lamp (3W), wavelength is 376nm, perhaps use daylight under the sunny weather as excitation source, can reach effective utilization, save the energy, enlarge range of application daylight.
The specific embodiment
A kind of Ag
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film comprises the steps:
1). press butyl titanate: absolute ethyl alcohol: water: the mol ratio of diethanol amine=1: 26.5: 1: 1, the mole proportioning of amounts of dopant ions and butyl titanate is respectively: Ag
+: butyl titanate [(C
4H
9O)
4Ti]=0.00043: 1, Fe
3+: butyl titanate [(C
4H
9O)
4Ti]=0.0001: 1, butyl titanate, absolute ethyl alcohol, water, diethanol amine, silver nitrate, ferric nitrate chosen; Prepare Ag with sol-gel process
+, Fe
3+Composite mixed TiO
2Colloidal sol; It is pure that described butyl titanate, absolute ethyl alcohol, diethanol amine, silver nitrate, ferric nitrate are analysis, and water is redistilled water.
2). substrate cleans: substrate is glass or pottery, cleans 15min in the KQ-250DB numerical control supersonic washer, and watery hydrochloric acid soaks 30min, and soaked in absolute ethyl alcohol 30min boils 30min, dries stand-by.
3). adopt dip-coating method on substrate, to apply Ag
+, Fe
3+Composite mixed TiO
2Colloidal sol, pull rate is 5mm/s, at Ag
+, Fe
3+Composite mixed TiO
2Dip time is 35-45 second (the best is 40 seconds) in the colloidal sol; Pull rate is accurate to ± 1mm/s, and dip time is accurate to ± 1s, can not cause liquid level obviously to vibrate when lifting.
4). heat-treat with resistance furnace (box high temperature resistance furnace), 100 ℃ of insulation 1h, 200 ℃ of insulation 1h, 300 ℃ of insulation 1h, 500 ℃ of insulation 2h, heating rate is controlled at about 1 ℃/s; Employing is closed fire door and is cooled off naturally, obtains the Ag that thickness is 30～50nm at substrate
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film.
Detect Ag
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film under low-power ultraviolet excitation condition to methyl orange solution photocatalytic degradation rate.Testing used methyl orange solution concentration is 10mg/L.The sheet glass of film forming of the present invention (the plated film area is that 5.3cm * 2.5cm) the placement specification is in 17cm * 7cm * 2.5cm clear glass sulculus, and to the methyl orange solution that wherein adds 20ml.Below test the excitation source that is adopted and be Z-F-20C camera bellows formula uv analyzer (the Shanghai Golconda turns round and look at village electric light instrument plant and makes), power is 3 watts, and the ultraviolet wavelength of selection is 365nm.Sheet glass is apart from light source 10cm.Reaction temperature is a room temperature, and the reaction time is the transmittance of a methyl orange solution of survey in per 20 minutes, surveys 4 times.Checkout gear is a 721W microcomputer type visible spectrophotometer (Shanghai Optical Instruments Factory).Its after 20 minutes transmittance be that 144.4,80 minutes transmittances are 179.3.
Between fine 12 noon to 14, test Ag
+-Fe
3+Composite mixed TiO
2The photocatalytic of weak exciting light catalytic film, its after 20 minutes transmittance be that 128.1,80 minutes transmittances are 145.4.
Employing is to colibacillary killing rate test Ag
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film, configuration 10
9Original bacterium liquid of (individual)/ml concentration Escherichia coli and 800ml nutrient agar are diluted to 10 with original bacterium liquid
6(individual)/ml concentration (A) is standby as experiment test.To scribble Ag respectively
+-Fe
3+Composite mixed TiO
2Year sheet glass (experimental group) of weak exciting light catalytic film and the blank sheet glass (control group) that carries are put into sterile petri dish, 0.5ml bacterium liquid A is added drop-wise to respectively carries on the sheet glass tiling again.Experimental group and control group are put under the ultraviolet light (3W) behind the irradiation certain hour, in culture dish, add the dilution of 10ml physiological saline, mix.Take out dilution back bacterium liquid test tube stepwise dilution to 10
4, 10
3, 10
2, 10
1Concentration is got 10 of control group and experimental group respectively
2, 10
1Concentration bacterium liquid 1ml is in sterile petri dish, toward filling 10
2, 10
1Add culture medium in the culture dish of concentration bacterium, put into constant incubator after the cooling and cultivate 48h.Bacterium liquid after cultivating is done count of bacteria, contrast experiment's group and control group clump count, colibacillary killing rate reaches 70% in 2 minutes.
Claims (5)
1. Ag
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film is characterized in that comprising the steps:
1). press butyl titanate: absolute ethyl alcohol: water: the mol ratio of diethanol amine=1: 26.5: 1: 1, the mole proportioning of amounts of dopant ions and butyl titanate is respectively: Ag
-: butyl titanate=0.00043: 1, Fe
3+: butyl titanate=0.0001: 1, choose butyl titanate, absolute ethyl alcohol, water, diethanol amine, silver nitrate, ferric nitrate; Prepare Ag with sol-gel process
+, Fe
3+Composite mixed TiO
2Colloidal sol;
2). substrate cleans;
3). adopt dip-coating method on substrate, to apply Ag
+, Fe
3+Composite mixed TiO
2Colloidal sol, pull rate is 5mm/s, at Ag
+, Fe
3+Composite mixed TiO
2Dip time is 35-45 second in the colloidal sol;
4). heat-treat with resistance furnace, 100 ℃ of insulation 1h, 200 ℃ of insulation 1h, 300 ℃ of insulation 1h, 500 ℃ of insulation 2h, heating rate is controlled at about 1 ℃/s; Employing is closed fire door and is cooled off naturally, obtains Ag at substrate
+-Fe
3+Composite mixed TiO
2Weak exciting light catalytic film.
2. a kind of Ag according to claim 1
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film is characterized in that described substrate is glass or pottery.
3. a kind of Ag according to claim 1
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film, it is characterized in that described substrate cleaning is: clean 15min in the KQ-250DB numerical control supersonic washer, watery hydrochloric acid soaks 30min, and soaked in absolute ethyl alcohol 30min boils 30min, dries stand-by.
4. a kind of Ag according to claim 1
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film is characterized in that described pull rate is accurate to ± 1mm/s, and dip time is accurate to ± 1s, can not cause liquid level obviously to vibrate when lifting.
5. a kind of Ag according to claim 1
+-Fe
3+Composite mixed TiO
2The preparation method of weak exciting light catalytic film is characterized in that described on-chip Ag
+-Fe
3-Composite mixed TiO
2The thickness of weak exciting light catalytic film is 30～50nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100186567A CN1323752C (en) | 2005-04-30 | 2005-04-30 | Manufacture of Ag+-Fe+ dosed TiO2 weakly exciting catalytic luminating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100186567A CN1323752C (en) | 2005-04-30 | 2005-04-30 | Manufacture of Ag+-Fe+ dosed TiO2 weakly exciting catalytic luminating film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1712130A true CN1712130A (en) | 2005-12-28 |
| CN1323752C CN1323752C (en) | 2007-07-04 |
Family
ID=35718032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100186567A Expired - Fee Related CN1323752C (en) | 2005-04-30 | 2005-04-30 | Manufacture of Ag+-Fe+ dosed TiO2 weakly exciting catalytic luminating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323752C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328025B (en) * | 2008-07-17 | 2011-01-05 | 浙江大学 | Preparation of multielement codoped nanaotitania film |
| CN101473065B (en) * | 2006-06-21 | 2012-02-01 | 齐鲁斯专利I投资有限及两合公司 | Process for producing a sol-gel-based absorber coating for solar heating |
| CN106555178A (en) * | 2016-11-17 | 2017-04-05 | 榆林学院 | One kind mixes ferrum titanium oxide hydrophobic film and preparation method thereof |
| CN113060801A (en) * | 2021-03-29 | 2021-07-02 | 山东理工大学 | Electrochemical device for treating cyanide-containing wastewater and preparation method and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240051842A1 (en) * | 2021-04-16 | 2024-02-15 | Sri Lanka Institute Of Information Technology | A method of making silver-iron titanate nanoparticles and uses thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08283022A (en) * | 1995-04-11 | 1996-10-29 | Ykk Kk | Titanium dioxide based composite superfine particle and its production |
| JP3844823B2 (en) * | 1996-01-22 | 2006-11-15 | 財団法人石油産業活性化センター | Photocatalyst, photocatalyst production method and photocatalytic reaction method |
| US7096692B2 (en) * | 1997-03-14 | 2006-08-29 | Ppg Industries Ohio, Inc. | Visible-light-responsive photoactive coating, coated article, and method of making same |
| CN1256868A (en) * | 1998-12-16 | 2000-06-21 | 王志群 | Compound silver series inorganic germifuge |
| DE19911738A1 (en) * | 1999-03-16 | 2000-09-28 | Fraunhofer Ges Forschung | Titanium dioxide photocatalyst doped with Fe · 3 ·· + · ions |
| CN1112238C (en) * | 2000-09-21 | 2003-06-25 | 上海交通大学 | Composite nanometer titanium dioxide/iron powder catalyst and its preparation |
| CN1275686C (en) * | 2002-11-26 | 2006-09-20 | 中国科学院广州能源研究所 | TiO2 photocatalyst film with inhomogeneously-doped metal ions on base body and preparation process thereof |
-
2005
- 2005-04-30 CN CNB2005100186567A patent/CN1323752C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473065B (en) * | 2006-06-21 | 2012-02-01 | 齐鲁斯专利I投资有限及两合公司 | Process for producing a sol-gel-based absorber coating for solar heating |
| CN101328025B (en) * | 2008-07-17 | 2011-01-05 | 浙江大学 | Preparation of multielement codoped nanaotitania film |
| CN106555178A (en) * | 2016-11-17 | 2017-04-05 | 榆林学院 | One kind mixes ferrum titanium oxide hydrophobic film and preparation method thereof |
| CN106555178B (en) * | 2016-11-17 | 2019-03-08 | 榆林学院 | One kind mixing iron titanium oxide hydrophobic film and preparation method thereof |
| CN113060801A (en) * | 2021-03-29 | 2021-07-02 | 山东理工大学 | Electrochemical device for treating cyanide-containing wastewater and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1323752C (en) | 2007-07-04 |
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