CN107899591A - A kind of photo-catalytic sterilizing and air-cleaning agent and preparation method thereof - Google Patents
A kind of photo-catalytic sterilizing and air-cleaning agent and preparation method thereof Download PDFInfo
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- CN107899591A CN107899591A CN201710983849.9A CN201710983849A CN107899591A CN 107899591 A CN107899591 A CN 107899591A CN 201710983849 A CN201710983849 A CN 201710983849A CN 107899591 A CN107899591 A CN 107899591A
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 25
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 20
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical class CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 28
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002105 nanoparticle Substances 0.000 claims abstract description 13
- 239000005457 ice water Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000002604 ultrasonography Methods 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 239000006228 supernatant Substances 0.000 claims abstract description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 12
- 235000019441 ethanol Nutrition 0.000 claims description 10
- 229910010062 TiCl3 Inorganic materials 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 12
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 238000004299 exfoliation Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000013742 energy transducer activity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/391—Physical properties of the active metal ingredient
- B01J35/393—Metal or metal oxide crystallite size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
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Abstract
The present invention provides a kind of photo-catalytic sterilizing and air-cleaning agent, including SnS2Nanometer sheet and TiO2Nano particle;TiO2Nano-particles reinforcement is in SnS2The surface of nanometer sheet;TiO2Nano particle is in SnS2The surface of nanometer sheet is in point-like dense distribution.Present invention also offers the preparation method of above-mentioned photo-catalytic sterilizing and air-cleaning agent, weighs SnS2Powder, is placed in N, and in N solvent dimethylformamides, after stirring, ultrasound is peeled off in ice-water bath, obtained solution then is carried out centrifugal treating, it is individual layer SnS to take supernatant liquor2Nanometer sheet solution;To individual layer SnS2TiCl is added in nanometer sheet solution3, ethanol is then added, which is moved into autoclave and is heated, finally centrifuges, obtains photo-catalytic sterilizing and air-cleaning agent.The photo-catalytic sterilizing and air-cleaning agent pattern that method using the present invention obtains is good, with easy to operate, yield height, the advantages such as manufacturing cost is low.
Description
Technical field
The invention belongs to chemical field, is related to a kind of catalyst, specifically a kind of photo-catalytic sterilizing and air-cleaning agent
And preparation method thereof.
Background technology
TiO2There is catalytic activity, excellent chemical and photochemical stability, but TiO to many photochemical reactions2It is a kind of
Broad-band gap (~3.2eV) semiconductor, can only be low to the utilization rate of solar energy by the ultraviolet excitation of λ≤387.5nm, with
e-And h+Recombination velocity is fast, the shortcoming such as quantum efficiency is low.In order to make full use of solar energy, in recent years researchers
(including metal and nonmetal doping, precious metal surface precipitation, semiconductor be multiple and dye sensitization etc.) makees in terms of modification
Extensive work, to improve TiO2The stability and photocatalytic activity of nano-photocatalyst, also achieve many progress.
SnS2It is that a kind of n-type semiconductor, energy gap are about 2.1eV, there is preferable heat endurance and inoxidizability
And also there is good stability in acid and neutral solution, therefore it will have good potential practicality as photochemical catalyst
Value.SnS2As a kind of narrow gap semiconductor, composite material can be compounded to form with wider band gap, when relatively low using energy
Light irradiation when, the semiconductor of narrow bandgap is excited first produces electronics, and under the action of electric field, light induced electron easily migrates
To conduction band on, the separation in light induced electron and hole is realized, so as to improve photocatalysis efficiency.
Semiconductors coupling is that have matched band structure with narrow with gap semiconductors based on wide band gap semiconducter, the two is with suitable
The separation of photogenerated charge can be effectively improved after ratio is compound, extends the spectral response range of wide band gap semiconducter, photocatalysis
Activity, which is usually better than basic reason of the single semiconductors coupling semiconductor with higher photocatalytic activity, partly to be led compound
Two kinds of semiconductor components have put forward the separative efficiency in light induced electron and hole by electric charge transfer between interface in body.Therefore, as light
The passage of raw electric charge transfer, the light that the interfacial structure in composite semiconductor between two kinds of different components drastically influence semiconductor are urged
Change performance.
Based on this, it is intended that by adjusting the photon capture ability of composite material, optoelectronic transformation efficiency and novel structure come
Improve its catalytic performance in visible region, and prepare the SnS of lifting photocatalysis performance2Composite nano materials.
The content of the invention
For above-mentioned technical problem of the prior art, the present invention provides a kind of photo-catalytic sterilizing and air-cleaning agent and its
Preparation method, this photo-catalytic sterilizing and air-cleaning agent and preparation method thereof is mainly used in TiO2Photocatalytic applications in
Air disinfection cleans.
The present invention provides a kind of photo-catalytic sterilizing and air-cleaning agent, including SnS2Nanometer sheet and TiO2Nano particle;It is described
TiO2Nano-particles reinforcement is in the SnS2The surface of nanometer sheet;The TiO2Nano particle is in the SnS2The surface of nanometer sheet
In point-like dense distribution.
Present invention also offers a kind of above-mentioned preparation method of photo-catalytic sterilizing and air-cleaning agent, include the following steps:
1) one prepares individual layer SnS2The step of nanometer sheet solution, weigh SnS2Powder, it is molten to be placed in n,N-Dimethylformamide
In agent, after magnetic agitation, ultrasound is peeled off in ice-water bath, and obtained solution then is carried out centrifugal treating, takes supernatant liquor i.e.
For individual layer SnS2Nanometer sheet solution;
2) one in individual layer SnS2TiO is loaded in nanometer sheet2The step of, to individual layer SnS2Added in nanometer sheet solution
TiCl3, then add ethanol, individual layer SnS2Nanometer sheet solution and TiCl3Material ratio with ethanol is 1-10mL:10-20mmol:
50mL, which is moved into autoclave and is heated, and the temperature in pyroreaction kettle is 150 DEG C~180 DEG C, finally centrifugation point
From, obtain load TiO2Individual layer SnS2Nanometer sheet solution, i.e. photo-catalytic sterilizing and air-cleaning agent.
Further, ultrasonic temperature control is at 5-10 DEG C in ice-water bath in step 1), splitting time 3-6h.
Further, load TiO in step 2)2Individual layer SnS2Nanometer sheet solution, which is scattered in absolute ethyl alcohol, to be preserved, load
TiO2Individual layer SnS2The volume ratio of nanometer sheet solution and absolute ethyl alcohol is 1~10mL:100mL.
Further, in step 1), SnS2Powder and the mass volume ratio of n,N-Dimethylformamide are 0.5g:100~
300mL。
The present invention makes SnS using the hot method of hydro-thermal2Homoepitaxial goes out point-like TiO in nanometer sheet2Nano particle.One kind is obtained
Individual layer SnS2Nanometer sheet loads TiO2Nano-particles reinforcement photo-catalytic sterilizing and air-cleaning agent, the TiO2Nano particle uniformly and
Largely it is distributed in the individual layer SnS2The surface of nanometer sheet, has good compound in nanometer sheet, obtains good compound pattern
Material.
The present invention is compared with prior art, its technological progress is significant.The present invention provides a kind of individual layer SnS2Nanometer
Piece loads TiO2Composite photo catalyst sterilizing and air-cleaning agent, the present invention have process conditions are simple, yield is high, and manufacturing cost is low etc.
Advantage.Obtain the TiO of individual layer load2Nano particle is uniform in size, the advantages that being easy to be stabilized.The technology can extensive use
In fields such as photocatalysis, air cleaner, nanometer technologies.
Brief description of the drawings
Fig. 1 is the individual layer SnS that the present invention is prepared using hydro-thermal method2Nanometer sheet loads TiO2Optical photograph.
Fig. 2 is individual layer SnS in the present invention2Nanometer sheet loads TiO2Raman light collection of illustrative plates.
Embodiment
Embodiment 1:
1)SnS2The stripping of nanometer sheet:Weigh the SnS of 0.5g2Powder is placed in the n,N-Dimethylformamide solvent of 200mL
In, after magnetic agitation, the ultrasound 3h in ice-water bath, 3 DEG C of exfoliation temperature, then carries out centrifugal treating by obtained solution, takes
Layer clear liquid is individual layer SnS2Nanometer sheet solution.
2) individual layer SnS2TiO in nanometer sheet2Load:To 10mL individual layers SnS220mmol is added in nanometer sheet solution
TiCl3, then add 50mL ethanol, will the solution move into autoclave in heat 150 DEG C, finally centrifuge remember
Load TiO2Individual layer SnS2Nanometer sheet solution, by it using volume ratio as 1:10 are scattered in absolute ethyl alcohol.As can be seen from Figure 1
Individual layer SnS2Nanometer sheet is rendered as sheet, strip;The TiO of surface attachment2Particle, size uniformity, dispersiveness is preferably.By Raman
Peak understands SnS2In 300cm-1Left and right peak intensity is weaker, this and individual layer SnS2The Raman of nanometer sheet matches.
Embodiment 2:
1)SnS2The stripping of nanometer sheet:Weigh the SnS of 0.5g2Powder is placed in the n,N-Dimethylformamide solvent of 200mL
In, after magnetic agitation, the ultrasound 6h in ice-water bath, 10 DEG C of exfoliation temperature, then carries out centrifugal treating by obtained solution, takes
Layer clear liquid is individual layer SnS2Nanometer sheet solution.
2) individual layer SnS2TiO in nanometer sheet2Load:To 1mL individual layers SnS210mmol is added in nanometer sheet solution
TiCl3, then add 50mL ethanol, will the solution move into autoclave in heat 180 DEG C, finally centrifuge remember
Load TiO2Individual layer SnS2Nanometer sheet solution, by it using volume ratio as 1:100 are scattered in absolute ethyl alcohol.
Embodiment 3:
1)SnS2The stripping of nanometer sheet:Weigh the SnS of 0.5g2Powder is placed in the n,N-Dimethylformamide solvent of 200mL
In, after magnetic agitation, the ultrasound 3h in ice-water bath, 5 DEG C of exfoliation temperature, then carries out centrifugal treating by obtained solution, takes
Layer clear liquid is individual layer SnS2Nanometer sheet solution.
2) individual layer SnS2TiO in nanometer sheet2Load:To 5mL individual layers SnS215mmol is added in nanometer sheet solution
TiCl3, then add 50mL ethanol, will the solution move into autoclave in heat 170 DEG C, finally centrifuge remember
Load TiO2Individual layer SnS2Nanometer sheet solution, by it using volume ratio as 5:100 are scattered in absolute ethyl alcohol.
Embodiment 4:
1)SnS2The stripping of nanometer sheet:Weigh the SnS of 0.5g2Powder is placed in the n,N-Dimethylformamide solvent of 200mL
In, after magnetic agitation, the ultrasound 3h in ice-water bath, 10 DEG C of exfoliation temperature, then carries out centrifugal treating by obtained solution, takes
Layer clear liquid is individual layer SnS2Nanometer sheet solution.
2) individual layer SnS2TiO in nanometer sheet2Load:To 1mL individual layers SnS210mmol is added in nanometer sheet solution
TiCl3, then add 50mL ethanol, will the solution move into autoclave in heat 180 DEG C, finally centrifuge remember
Load TiO2Individual layer SnS2Nanometer sheet solution, by it using volume ratio as 10:100 are scattered in absolute ethyl alcohol.
Embodiment 5:
1)SnS2The stripping of nanometer sheet:Weigh the SnS of 0.5g2Powder is placed in the n,N-Dimethylformamide solvent of 200mL
In, after magnetic agitation, the ultrasound 6h in ice-water bath, 5 DEG C of exfoliation temperature, then carries out centrifugal treating by obtained solution, takes
Layer clear liquid is individual layer SnS2Nanometer sheet solution.
2) individual layer SnS2TiO in nanometer sheet2Load:To 1mL individual layers SnS210mmol is added in nanometer sheet solution
TiCl3, then add 50mL ethanol, will the solution move into autoclave in heat 180 DEG C, finally centrifuge remember
Load TiO2Individual layer SnS2Nanometer sheet solution, by it using volume ratio as 8:100 are scattered in absolute ethyl alcohol.
Claims (5)
- A kind of 1. photo-catalytic sterilizing and air-cleaning agent, it is characterised in that:Including SnS2Nanometer sheet and TiO2Nano particle;It is described TiO2Nano-particles reinforcement is in the SnS2The surface of nanometer sheet;The TiO2Nano particle is in the SnS2The surface of nanometer sheet In point-like dense distribution.
- 2. the preparation method of a kind of photo-catalytic sterilizing and air-cleaning agent described in claim 1, it is characterised in that including following step Suddenly:1)One prepares individual layer SnS2The step of nanometer sheet solution, weigh SnS2Powder, is placed in n,N-Dimethylformamide solvent In, after magnetic agitation, ultrasound is peeled off in ice-water bath, and obtained solution then is carried out centrifugal treating, takes the supernatant liquor to be Individual layer SnS2Nanometer sheet solution;2)One in individual layer SnS2TiO is loaded in nanometer sheet2The step of, to individual layer SnS2TiCl is added in nanometer sheet solution3, then Add ethanol, individual layer SnS2Nanometer sheet solution and TiCl3Material ratio with ethanol is 1-10mL:10-20mmol:50mL, this is molten Liquid is moved into autoclave and heated, and the temperature in pyroreaction kettle is 150 DEG C~180 DEG C, finally centrifuges, is loaded TiO2The individual layer SnS of particle2Nanometer sheet solution, i.e. photo-catalytic sterilizing and air-cleaning agent.
- A kind of 3. photo-catalytic sterilizing and air-cleaning agent according to claim 1, it is characterised in that:Step 1)In middle ice-water bath Ultrasonic temperature control is at 5-10 DEG C, splitting time 3-6h.
- A kind of 4. photo-catalytic sterilizing and air-cleaning agent according to claim 1, it is characterised in that:Step 2)Middle load TiO2 Individual layer SnS2Nanometer sheet solution, which is scattered in absolute ethyl alcohol, to be preserved, and loads TiO2Individual layer SnS2Nanometer sheet solution and anhydrous second The volume ratio of alcohol is 1~10mL:100mL.
- A kind of 5. photo-catalytic sterilizing and air-cleaning agent according to claim 1, it is characterised in that:Step 1)In, SnS2Powder Mass volume ratio with n,N-Dimethylformamide is 0.5 g:100~300 mL.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109569568A (en) * | 2018-11-14 | 2019-04-05 | 中国矿业大学 | A kind of core-shell structure BiO2-x@TiO2Heterojunction photocatalysis material and the preparation method and application thereof |
CN110028098A (en) * | 2019-05-31 | 2019-07-19 | 南京倍格电子科技有限公司 | A kind of liquid phase stripping method preparation high concentration SnS2 nanometer sheet |
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CN1788794A (en) * | 2004-12-13 | 2006-06-21 | 谢家忠 | Nanometer photo-catalytic sterilizing and air-cleaning agent |
US20140083323A1 (en) * | 2012-09-25 | 2014-03-27 | Empire Technology Development Llc | Oxidizing agents on pigments |
CN104888753A (en) * | 2015-05-28 | 2015-09-09 | 陕西科技大学 | Tin disulfide/titanium dioxide compound photocatalyst and preparation method thereof |
CN106000422A (en) * | 2016-06-01 | 2016-10-12 | 中国科学院上海硅酸盐研究所 | Titanium dioxide/tin sulfide composite material, preparation method and application thereof |
CN107175097A (en) * | 2017-06-22 | 2017-09-19 | 陕西科技大学 | A kind of stannic disulfide parcel titanium dioxide composite photocatalyst and preparation method thereof |
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2017
- 2017-10-20 CN CN201710983849.9A patent/CN107899591A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1788794A (en) * | 2004-12-13 | 2006-06-21 | 谢家忠 | Nanometer photo-catalytic sterilizing and air-cleaning agent |
US20140083323A1 (en) * | 2012-09-25 | 2014-03-27 | Empire Technology Development Llc | Oxidizing agents on pigments |
CN104888753A (en) * | 2015-05-28 | 2015-09-09 | 陕西科技大学 | Tin disulfide/titanium dioxide compound photocatalyst and preparation method thereof |
CN106000422A (en) * | 2016-06-01 | 2016-10-12 | 中国科学院上海硅酸盐研究所 | Titanium dioxide/tin sulfide composite material, preparation method and application thereof |
CN107175097A (en) * | 2017-06-22 | 2017-09-19 | 陕西科技大学 | A kind of stannic disulfide parcel titanium dioxide composite photocatalyst and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109569568A (en) * | 2018-11-14 | 2019-04-05 | 中国矿业大学 | A kind of core-shell structure BiO2-x@TiO2Heterojunction photocatalysis material and the preparation method and application thereof |
CN110028098A (en) * | 2019-05-31 | 2019-07-19 | 南京倍格电子科技有限公司 | A kind of liquid phase stripping method preparation high concentration SnS2 nanometer sheet |
CN110028098B (en) * | 2019-05-31 | 2020-04-07 | 南京倍格电子科技有限公司 | High-concentration SnS prepared by liquid-phase stripping method2Nano-sheet |
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