CN106000423B - TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method - Google Patents

TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method Download PDF

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CN106000423B
CN106000423B CN201610385545.8A CN201610385545A CN106000423B CN 106000423 B CN106000423 B CN 106000423B CN 201610385545 A CN201610385545 A CN 201610385545A CN 106000423 B CN106000423 B CN 106000423B
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tio
mns
colloid
composite photocatalyst
manganese
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CN106000423A (en
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陈纳新
单兴刚
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ZHEJIANG HARMONY PHOTO-CATALYSIS TECHNOLOGY Co Ltd
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ZHEJIANG HARMONY PHOTO-CATALYSIS TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/20Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state

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Abstract

The invention discloses a kind of TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method, includes the following steps:1)Synthesize TiO2Colloidal sol 2)Synthesize Ga2O3Colloidal sol 3)Synthesize cotton-shaped MnS 4)TiO2/MnS/Ga2O3Composite photocatalyst colloid synthesizes:By step 1), step 2)Prepared TiO2Colloidal sol, Ga2O3Colloidal sol mixes, TiO2/MnS/Ga2O3TiO in solid after the drying of composite photocatalyst colloid290.0~97.0 wt% of content, MnS contents 2.9~8.0 wt%, Ga2O30.1~2.0 wt% of content;Sun light utilization efficiency of the present invention is high and catalysis oxidation ability is strong.

Description

TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method
Technical field
The invention belongs to catalysis material technical fields, and in particular to a kind of TiO2/MnS/Ga2O3Composite photocatalyst colloid Preparation method.
Background technology
With the improvement of living standards, people increasingly pay attention to environmental problem, but the often means or medicine of environmental improvement Object brings new pollution, such as chemosterilant or decontaminant again in itself.In recent years, at a kind of environment using photocatalysis principle Reason is gradually popular with protection technique, and maximum advantage is not generate secondary pollution, directly by gas phase or liquid phase organic pollution It resolves into environmentally friendly inorganic mineral and achievees the purpose that automatically cleaning, purification air and antibacterial.Wherein TiO2Photochemical catalyst because Its excellent physicochemical property be used to prepare the coating with above-mentioned environment-friendly function in recent years.But due to pure TiO2Photo-quantum efficiency It is low, therefore pure TiO2The use of light catalyzed coating is restricted.
In order to improve the activity of light catalyzed coating, from the angle of composition, the TiO of commercialization at present2Base optic catalytic coating can It is roughly divided into three classes:1. with metal(Such as Au, Ag, Pt, Cu, Fe, Sn and Zn)It is or nonmetallic(C, N, S and P etc.)Doping;2. one Kind or a variety of semiconductors(Such as ZnO, ZnS, SnO, Fe2O3、MnO、CeO2With CuO etc.)With TiO2It is compound;③TiO2With inertia oxygen Compound(Such as SiO2、ZrO、Al2O3And diatomite and various clays etc.)It is compound.From literature search situation analysis, above-mentioned three kinds of structures The photochemical catalyst of type is applied to prepare the light catalyzed coating with automatically cleaning, decomposing organic matter and anti-microbial property.And from system Preparation Method angle, due to the limitation of coating characteristic, preparation method but only has a limited number of type:
First, photochemical catalyst is added to as filler in coating so that the coating has photocatalytic activity.This respect has Representative patent includes the TiO that application number includes 201480027369.X2With copper compound composite coating, 201510630656.6 invention content adulterates TiO for Fe2, 201410781164.2 be TiO2Nanotube is scattered in inorganic coating In, 201410104099.X as Cu-La adulterate TiO2It is scattered in coating, 201410228021.9 adulterate TiO for Fe-N2 It is scattered in coating, 201410123139.5 be single TiO2It is scattered in paint, 200510011793.8 adulterate TiO for N2
Second is that the technology that photochemical catalyst is used directly as coating, the representative patent of this respect includes: 201410839055.1 it is by TiO2With inert diatomaceous earth it is compound, 201310169053.1 be by TiO2The direct roller coating of colloidal sol, 201110196966.3 it is by the TiO containing silver-copper-quaternary ammonium hydroxide2Mixture, 201110105280.9 are nanoparticles containing Au Sub- TiO2Colloidal sol, 200710065676.9 are containing various metals(Silver, platinum, gold, palladium, scandium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, Zinc, scandium, yttrium, lanthanum, cerium, praseodymium, neodymium), it is nonmetallic(Nitrogen, carbon, sulphur, fluorine, boron)And oxide(Silica, aluminium oxide, tin oxide, Iron oxide, tungsten oxide, zirconium oxide, zinc oxide, vanadium oxide, manganese oxide, oxidation tweezer, copper oxide, indium oxide, cerium oxide, bismuth oxide, Lanthana, neodymia)TiO2Colloidal sol.
Third, photochemical catalyst solid, which is dispersed in adhesive, becomes coating, the representative patent of this respect includes: 201510425462.2 by TiO2It is dispersed in organic bond, additional inorganic mineral extenders(Calcium carbonate, kaolin, silica, Talcum, quartz and barite), 201420827950.7 pass through Ca (OH)2Bond TiO2
However the sun light utilization efficiency and catalysis oxidation ability of above-mentioned existing photochemical catalyst be not high.
Invention content
The technical problems to be solved by the invention are the shortcomings that overcoming the more than prior art:A kind of sunlight is provided to utilize Rate is high and catalysis oxidation ability is strong is mainly used for photocatalytic self-cleaning, degradable organic pollutant and antibacterial and goes out virus TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method.
The technical solution of the present invention is as follows:A kind of TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method, including Following steps:
1)Synthesize TiO2Colloidal sol:Titanium salt is dissolved in absolute ethyl alcohol first, then by be configured to deionized water 1~ The salpeter solution of 5w% is heated to 10~90 DEG C, instills the above-mentioned absolute ethyl alcohol for having dissolved titanium salt under stiring, is persistently stirred after dripping off It mixes 4~24 hours, obtains light blue transparent TiO2Colloid, the TiO2TiO in colloid2Content is controlled in 1.0~7.0wt%;
2)Synthesize Ga2O3Colloidal sol:Gallium nitrate is dissolved in the salpeter solution of 4~8wt% first, stir evenly and is heated to 10~50 DEG C, ammonium hydroxide is instilled under stiring, is persistently stirred 10~48 hours again after dripping off ammonium hydroxide, is obtained the Ga of pale yellow transparent2O3 Colloid, the Ga2O3Ga in colloid2O3Content is controlled in 0.1~2.0wt%;
3)Synthesize cotton-shaped MnS:Manganese salt is dissolved in the solution that a concentration of 1~8wt% is configured in deionized water first, so TAA is instilled into above-mentioned solution afterwards, cotton-shaped MnS is obtained by filtration;
4)TiO2/MnS/Ga2O3Composite photocatalyst colloid synthesizes:By step 1), step 2)Prepared TiO2Colloidal sol, Ga2O3Colloidal sol mixes, and persistently stirs 1~6 hour;Then mixture is obtained into TiO by recycling dialysis to pH=2~62/Ga2O3 Composite colloid;Again by the TiO2/Ga2O3Composite colloid and step 3)Cotton-shaped MnS mixing;Finally obtained solid content for 2~ The TiO of 4wt%2/MnS/Ga2O3Composite photocatalyst colloid, wherein, TiO2/MnS/Ga2O3After the drying of composite photocatalyst colloid TiO in solid290.0~97.0 wt% of content, MnS contents 2.9~8.0 wt%, Ga2O30.1~2.0 wt% of content.
The titanium salt is one or more of titanium ethanolate, isopropyl titanate, butanol titanium and titanyl sulfate.
The manganese salt is one kind in manganese acetate, ethyl alcohol manganese, isopropanol manganese, butanol manganese, manganese nitrate, manganese chloride and manganese sulfate It is or several.
The mass percentage concentration of ammonia is 20~28w% in the ammonium hydroxide.
The beneficial effects of the invention are as follows:The present invention is by TiO2、Ga2O3With MnS three it is compound form ternary photochemical catalyst, The present invention is not only to propose completely new component combination, and its mechanism of action is different from the above-mentioned photochemical catalyst reported. From functional perspective, single TiO had both been overcome2Photochemical catalyst cannot utilize sunlight middle-ultraviolet lamp(Compare visible light wave in sunlight The section higher wave band of energy density)The shortcomings that, and improve the catalysis oxidation ability of composite photo-catalyst.That is, and TiO2 It compares, composite photo-catalyst of the invention will absorb more broadband sunlight(From ultraviolet to visible ray)Energy has simultaneously Stronger redox ability.Ga2O3It is also a kind of semiconductor light-catalyst, although people are nothing like TiO to its research2、 ZnO and Fe2O3Etc. common photochemical catalyst, but one-component Ga2O3Photocatalysis performance be studied confirmation, such as the 14th is complete State youth is catalyzed academic meeting paper《Out-phase knot (TiO2、Ga2O3) effect in photocatalysis》(2013),《It is catalyzed journal》 The paper delivered《Perfluoro caprylic acid in nano whiskers gallium oxide photocatalytic degradation pure water and waste water》(2013,34(8), 1551- 1559), Qingdao Technological University master thesis《Gallium oxide photocatalytic degradation repefral(DMP)And power Learn research》(2013).Above-mentioned pure Ga2O3Photochemical catalyst result of study shows that although its oxidability is stronger, in sunlight Under photocatalytic activity it is relatively low, main cause is pure Ga2O3It is only capable of absorbing the ultraviolet light for being shorter than 254nm.By Ga2O3As compound One of component is the photochemical catalytic oxidation ability in order to improve compound, that is, improves coating decomposing pollutant, automatically cleaning and sterilizing Performance.MnS is also semiconductor, and corresponding visible ray, but its oxidability is weaker, separately as photochemical catalyst effect and pays no attention to Think.In previous paper and patent, also few trace in relation to its compound.But it absorbs the photoproduction current-carrying generated after visible ray Son will transfer to TiO in the appropriate band structure of compound2Valence band or conduction band on and play a role.Colloid is made in compound Form is the perfect condition of coating products, but prepares TiO2/MnS/Ga2O3The where the shoe pinches of composite colloid be containing Ti, Ms, The predecessor dispergation speed of Ga and S and condition require differ greatly, by hydrolysis, hydro-thermal or solvent heat for usually preparing colloid etc. into Gluing method is difficult to obtain desired compound, and preparation method provided by the invention solves the technical problem.The system of the present invention Preparation Method is related to the combination of sol-gel method, the precipitation method and dialysis three.TiO2, MnS and Ga2O3Predecessor type and its Hydrolysis rate difference is larger, if undergoing identical course under same environment as usually(Including temperature, pressure, time With medium etc.), three must successively be formed, therefore final product is difficult to be formed the compound of uniform, high degree of mixing.The present invention uses Substep plastic method, i.e., be respectively formed oxide first(TiO2And Ga2O3)Then colloidal sol prepares sulfide(MnS)Flocculent deposit, Above-mentioned colloidal sol and precipitation are finally mixed, and is processed into product under given conditions.
Specific embodiment
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact Apply example.
Embodiment 1
First, 100ml deionized waters are measured and pours beaker into, then measured 2ml concentrated nitric acids and carefully, slowly prolong wall inflow water In, it is stirred and heated to 45 DEG C.18ml isopropyl titanates are rapidly joined in 15ml absolute ethyl alcohols and stirred evenly in draught cupboard, The ethanol solution of isopropyl titanate is slowly dropped under vigorous stirring in above-mentioned salpeter solution.Continue strongly after adding isopropyl titanate Stirring 6 hours, obtained light blue transparent TiO2Colloid is spare.
Second, by 2.2g gallium nitrates(Purity 99%)It is dissolved in the aqueous solution of nitric acid of 100ml, 7w%, stirs evenly and adds Heat is slowly dropped into ammonium hydroxide to 45 DEG C under being stirred strongly in draught cupboard(Containing ammonia 28%), drip off after ammonium hydroxide that persistently stirring 24 is small again When, obtain pale yellow transparent Ga2O3Colloid is spare.
Third, 13g manganese acetates is taken to be dissolved in 100mL, 90 DEG C of deionized water, TAA is slowly added to after cooling while stirring (Thioacetamide), until the molar ratio of Mn and S is 1:2.The manganese sulfide of generation largely sinks to as rufous flocculent deposit Device bottom filters out red product and in order with ethyl alcohol, ether and purification water washing, obtains manganese sulfide floccule.
Fourth, by above-mentioned TiO2And Ga2O3Colloidal sol presses 50:1(Weight ratio)Ratio mixes, and persistently stirs 1 hour.Then will Mixture obtains TiO by recycling dialyzer dialysis to pH=42/Ga2O3Composite colloid.
Fifth, by above-mentioned TiO2/Ga2O3Composite colloid and manganese sulfide floccule press 15:1(Weight ratio)Ratio is mixed and is added Upper purified water 100ml, ultrasonic wave disperse after five minutes, strong stirring 24 hours.It can obtain TiO2/MnS/Ga2O3Complex light is urged Change spray liniment.
Sixth, respectively by the pure TiO of 100ml2、Ga2O3And TiO2/MnS/Ga2O3Roller coating exists in two times for composite spraying agent 0.64M2(0.8Í0.8M)Without glaze polishing ceramic floor brick on(Polish that face), each time by 120 DEG C of bakings of Ceramic Tiles after roller coating Dry 0.5hr, the three pieces of Ceramic Tiles that will obtain coating different coating in this way.
Seventh, the Ceramic Tiles of coated composite spraying agent are placed in 1M3It evaluates in case, it is molten to instill three drop formaldehyde using dropper Liquid in as evaluation case in, be heated on 80 DEG C of nickel evaporating dish in advance, and rapidly close evaluate chamber door.Treat that concentration of formaldehyde records Adsorption equilibrium is presented on instrument(Concentration is basically unchanged)Afterwards, ultraviolet lamp is opened(2 32W, 365nm ultraviolet lamps)And circulating fan, together When start recording concentration of formaldehyde change with time situation.The result shows that after removing Natural Attenuation, concentration of formaldehyde is in 40min 0.04ppm is dropped to from 1.6ppm, degradation rate is more than 97%.Should statistics indicate that, coated with TiO2/MnS/Ga2O3Composite photocatalyst sprays The building materials of paint have the function of fast decoupled pernicious gas.
Eighth, coated pure TiO2And Ga2O3Ceramic wafer also undergo same evaluation procedure respectively, the result is that:Pure TiO2 Ceramic wafer in 40min concentration of formaldehyde drop to 0.9ppm, degradation rate 40% from 1.5ppm.Pure Ga2O3Ceramic wafer in 40min Concentration of formaldehyde drops to 1.4ppm, degradation rate 12% from 1.6ppm.That is, the sum of the two degradation rate only has 52%, far below equal conditions Lower TiO2/MnS/Ga2O3The 97% of composite spraying agent.
Embodiment 2
One piece of the silvery white aluminium-plastic panel of 30cm × 30cm is taken, its surface is divided into equal two parts with blade(Every portion Divide 450cm2).The TiO produced using embodiment 12/MnS/Ga2O3Composite spraying agent 5ml, is sprayed on above-mentioned aluminium-plastic panel in three times A part therein, another part are covered as blank surface.By aluminium-plastic panel in 120 DEG C of drying after spraying each time It is cool to room temperature finally to take out nature by 0.5hr.Commercially available pink is utilized on its surface(Based on methyl red)Watercolor stroke is no less than three Road pink person's handwriting, per pass person's handwriting cross over two parts(Coat compound adhesive part and blank parts).Using a 8w, All person's handwritings of 365nm ultra violet lamps, ultraviolet lamp is apart from plastic-aluminum plate surface 2cm.After 5min, coating composite spraying agent part plastic-aluminum The pink person's handwriting of plate surface disappears(Methyl red is by photocatalytic degradation), and blank parts person's handwriting is still bright-coloured.The experiment shows Coated with TiO2/MnS/Ga2O3The building materials of composite spraying agent (i.e. composite photocatalyst colloid) have fast decoupled organic pollution work( Energy.
Embodiment 3
One piece of the canescence granite Side fascia of 80cm × 80cm is taken, its surface is divided into carbon marking pen equal Two parts(Per part 800cm2).The TiO produced using embodiment 12/MnS/Ga2O3Composite spraying agent 8ml is sprayed on above-mentioned flower A part for hilllock rock Side fascia, another part are covered as blank surface.More than 4hr is shone after spraying under sunlight.It utilizes Contact angle instrument is measured in the granite Side fascia in ultraviolet lamp(Power 4W, dominant wavelength 365nm)Irradiation(Fluorescent tube and granite exterior wall Plate distance 2cm)Front and rear contact angle situation of change.Contact-angle measurement major parameter is as follows:Medium is water, 0.5 μ l of droplet size, Five measuring points are taken at random, finally calculate 5 points of average value.The result is that:Coated with TiO2/MnS/Ga2O3That face light of composite spraying agent According to preceding 36 ° of average contact angle, illumination is averaged 2 ° after 0.5 hour.And blank surface illumination(Same version the other half, together Etc. conditions illumination)It is front and rear at 36 °.This result shows that, which has fabulous photic hydrophily.Photic hydrophily is dropped with light Solution organic matter ability is considered coating with two important elements of light self-cleaning property.
Embodiment 4
The TiO that will be obtained in embodiment 12/MnS/Ga2O3Composite spraying agent is packed into the dialysis bag of cutoff 20000, Continuous dialysis 48hr, during which changes a deionized water per 12hr, obtains dialysis TiO again2/MnS/Ga2O3Composite spraying agent.By 3ml The spray liniment disposable spray finishing tests photic hydrophily behind lacquer surface, naturally dry using the method that embodiment 3 provides. The result shows that in lacquer surface sunlight(Towards southern metope, at 10 points in the morning starts)Illumination 20 minutes, 8 ° of water contact angle.
It the above is only the feature implementation example of the present invention, the scope of the present invention be not limited in any way.It is all to use together The technical solution formed Deng exchange or equivalence replacement, all falls within rights protection scope of the present invention.

Claims (4)

1. a kind of TiO2/MnS/Ga2O3Composite photocatalyst colloid preparation method, it is characterised in that:Include the following steps:
1) TiO is synthesized2Colloidal sol:Titanium salt is dissolved in absolute ethyl alcohol first, it is dense then will to be configured to mass percent with deionized water It spends and is heated to 10~90 DEG C for the salpeter solution of 1~5wt%, instill the above-mentioned absolute ethyl alcohol for having dissolved titanium salt under stiring, drip It is persistently stirred after complete 4~24 hours, obtains light blue transparent TiO2Colloid, the TiO2TiO in colloid2Content is controlled in quality Percent concentration is 1.0~7.0wt%;
2) Ga is synthesized2O3Colloidal sol:Gallium nitrate is dissolved in the salpeter solution that mass percent concentration is 4~8wt%, stirred first It mixes uniformly and is heated to 10~50 DEG C, instill ammonium hydroxide under stiring, persistently stir 10~48 hours, obtain light again after dripping off ammonium hydroxide The Ga of yellow transparent2O3Colloid, the Ga2O3Ga in colloid2O3Content control is 0.1~2.0wt% in mass percent concentration;
3) cotton-shaped MnS is synthesized:It is 1~8wt%'s manganese salt to be dissolved in first, mass percent concentration is configured in deionized water Then solution instills thioacetamide into above-mentioned solution, cotton-shaped MnS is obtained by filtration;
4)TiO2/MnS/Ga2O3Composite photocatalyst colloid synthesizes:By the TiO prepared by step 1), step 2)2Colloidal sol, Ga2O3It is molten Glue mixes, and persistently stirs 1~6 hour;Then mixture is obtained into TiO by recycling dialysis to pH=2~62/Ga2O3It is compound Colloid;Again by the TiO2/Ga2O3Composite colloid and the cotton-shaped MnS of step 3) mixing;Finally obtained solid content is 2~4wt% TiO2/MnS/Ga2O3Composite photocatalyst colloid, wherein, TiO2/MnS/Ga2O3Solid after the drying of composite photocatalyst colloid Middle TiO2Content 90.0~97.0wt%, MnS content 2.9~8.0wt%, Ga2O30.1~2.0wt% of content.
2. TiO according to claim 12/MnS/Ga2O3Composite photocatalyst colloid preparation method, it is characterised in that:It is described Titanium salt is one or more of titanium ethanolate, isopropyl titanate, butanol titanium and titanyl sulfate.
3. TiO according to claim 12/MnS/Ga2O3Composite photocatalyst colloid preparation method, it is characterised in that:It is described Manganese salt is one or more of manganese acetate, manganese nitrate, manganese chloride and manganese sulfate.
4. TiO according to claim 12/MnS/Ga2O3Composite photocatalyst colloid preparation method, it is characterised in that:It is described The mass percent concentration of ammonia is 20~28wt% in ammonium hydroxide.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459893A (en) * 2017-08-03 2017-12-12 合肥隆延科技有限公司 Antibacterial aqueous woodwork coating
CN107670684B (en) * 2017-10-27 2020-06-02 张香丽 Embedded TiO2Hollow sphere/GaN/Ga2O3Heterojunction photocatalytic film and preparation method thereof
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527410A (en) * 2012-01-16 2012-07-04 河北科技大学 Preparation method of composite photocatalytic material with CdS/TiO2 load on carbon fiber felt
CN102626642A (en) * 2012-03-20 2012-08-08 浙江理工大学 Preparation method of cadmium sulfide-titanium oxide nanosheet composite photocatalyst
CN103316694A (en) * 2013-07-11 2013-09-25 吉林大学 Preparation method of composite material of Zn0.8Cd0.2S and graphene
CN105195176A (en) * 2015-09-23 2015-12-30 浙江和谐光催化科技有限公司 Preparation method of TiO2/MnS composite photocatalytic coating agent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080075939A1 (en) * 2006-09-25 2008-03-27 Samsung Electronics Co., Ltd. Method for preparing layered nanostructures and layered nanostructures prepared thereby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102527410A (en) * 2012-01-16 2012-07-04 河北科技大学 Preparation method of composite photocatalytic material with CdS/TiO2 load on carbon fiber felt
CN102626642A (en) * 2012-03-20 2012-08-08 浙江理工大学 Preparation method of cadmium sulfide-titanium oxide nanosheet composite photocatalyst
CN103316694A (en) * 2013-07-11 2013-09-25 吉林大学 Preparation method of composite material of Zn0.8Cd0.2S and graphene
CN105195176A (en) * 2015-09-23 2015-12-30 浙江和谐光催化科技有限公司 Preparation method of TiO2/MnS composite photocatalytic coating agent

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