CN1201769A - Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof - Google Patents
Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof Download PDFInfo
- Publication number
- CN1201769A CN1201769A CN 98111246 CN98111246A CN1201769A CN 1201769 A CN1201769 A CN 1201769A CN 98111246 CN98111246 CN 98111246 CN 98111246 A CN98111246 A CN 98111246A CN 1201769 A CN1201769 A CN 1201769A
- Authority
- CN
- China
- Prior art keywords
- zinc ferrite
- titanium dioxide
- nino
- sized
- sol
- 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
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
Abstract
A nm-class compound zinc ferrite-titanium dioxide material has a chemical formula Ti ZnxFe2xO2x+2, where x=0.01-10 and a granularity of 5-100 nm. It can be prepared by any of three processes: ultrasonic-ball grinding compounding, sol-gel compounding and organic gel compounding. The obtained material used as the precursor of nm-class compound materials with different properties features low glanularity, high uniformity and photocatalytic activity, better photoelectric conversion performance in visual light range and excellent wide-band light absorption. It can be used in photocatalytic procedure, utilization of solar energy and photoelectric conversion.
Description
The present invention relates to Zinc ferrite-titanium dioxide nino-sized composite material and preparation method thereof.
Titanium dioxide is a kind of important semiconductor material, because it has the photocatalytic activity height, chemical property is stable, characteristics such as fast light chemical corrosion, thereby in photochemical catalysis, opto-electronic conversion, there is very big potential using value in fields such as solar hydrogen making, but insufficient be that its energy gap is bigger, only can absorb the ultraviolet portion of solar spectrum, so that make solar energy utilization ratio less, photoetch does not take place because of to the visible light sensitivity in the zinc ferrite with spinel structure, thereby is considered to a kind of conductor photocatalysis material with wide application prospect, but its weak point is that the valence band current potential is lower, can not the direct sunshine catalyze and degrade organic pollutants.Learn through our deep research,, utilize the coupling between their nanoparticles, can obtain a kind of high solar utilization ratio that has, high-quantum efficiency, the advanced composite material of highlight catalytic active if titanium dioxide and zinc ferrite is compound with suitable form.But up to now, preparation about this matrix material, there is no both at home and abroad and report for work, and we successfully prepare the zinc ferrite-composite titania material of serial nano level on the basis of existing zinc ferrite and the single nano material of titanium dioxide and preparation method thereof.
The purpose of this invention is to provide a kind of Zinc ferrite-titanium dioxide nino-sized composite material and preparation method thereof.
The composition of Zinc ferrite-titanium dioxide nino-sized composite material of the present invention is: TiZnxFe
2xO
2x+2Wherein: x=0.01-10; Particle size range 5～100nm.
The preparation of material of the present invention can be passed through: ultrasonic ball milling composite algorithm, sol-gel composite algorithm; These three kinds of methods of compound organic sol method make
1. ultrasonic-the ball milling composite algorithm: at first prepare with co-precipitation and sol-gel method single-zinc ferrite and nano TiO 2 powder, successively through ultrasonic ball milling and thermal treatment, prepare Zinc ferrite-titanium dioxide nino-sized composite material again.
2. sol-gel composite algorithm: at first prepare tiny zinc ferrite nanoparticle with coprecipitation method, it is dispersed in the TiO 2 sol, making titanium dioxide and zinc ferrite reach nano level with sol-gel method again mixes, obtains Zinc ferrite-titanium dioxide nino-sized composite material through Overheating Treatment again.
3. compound organic sol method: at first prepare zinc ferrite and titanium oxide nanoparticles respectively with coprecipitation method and sol-gel method, with tensio-active agent they are carried out surface coating modification again, obtain compound organosol with the organic solvent peptization again, as presoma, prepare Zinc ferrite-titanium dioxide nino-sized composite material with this.
The present invention is described in detail in detail below:
1. ultrasonic ball milling composite algorithm:
In PH=7～13, temperature is that be Zn: Fe=1 in molar ratio: 2 mixed obtains the nanometer zinc ferrite powder by coprecipitation method under 60～100 ℃ the condition with the aqueous solution of zinc and molysite; Be Ti: H in molar ratio with acid esters, water, ethanol and acid again
2O: C
2H
5OH: H
+=1: 2～4: 10～15: 0.3 mixed, utilize colloidal sol---gel method obtains nano TiO 2 powder; With the zinc ferrite that obtains and titanic oxide nano earlier in spilling essence behind the ultra-sonic dispersion, mix by ball milling, obtain Zinc ferrite-titanium dioxide nino-sized composite granule, again through the thermal treatment of 1000 ℃ of following differing tempss, can obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter, if in thermal treatment more than 1000 ℃, can get corresponding micron-sized matrix material.
2. sol-gel composite algorithm:
Be Ti: H in molar ratio with metatitanic acid fat, water, ethanol and acid earlier
2O: C
2H
5OH: H
+=1: 2～4: 10～15: 0.3 mixed, prepare transparent colloidal sol; Prepare zinc ferrite nanoparticle (preparing the zinc ferrite nanoparticle) with coprecipitation method then, and use the ethanol ultra-sonic dispersion with ultrasonic-ball milling composite algorithm; To continue to stir until complete gelation through the zinc ferrite nanoparticle of ethanol ultra-sonic dispersion in molar ratio for the ratio of Ti: Zn=1: 0.01-10 under agitation joins in the vitreosol of having prepared then; Pass through the gel of preparation dry successively, roasting and ball milling promptly obtain the initial powder of nanometer zinc ferrite-titanium dioxide, again through the thermal treatment of 1000 ℃ of following differing tempss, obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter, if in thermal treatment more than 1000 ℃, can get corresponding micron order matrix material.
3. compound organic sol method:
At first prepare the nanometer zinc ferrite particulate with coprecipitation method, (preparation method is with ultrasonic-ball milling composite algorithm), then this nanoparticle is under agitation added in the aqueous solution of tensio-active agent, fully stirring makes tensio-active agent carry out surface coating modification to the zinc ferrite nanoparticle, forming microemulsion, is Ti: H with titanic acid ester and your ratio of hydromassage again
2O=1: 2～20 ratio is hybrid reaction under the condition of PH≤3, make the flocculation liquid or the water-sol of titanium dioxide, and then add the aqueous solution of tensio-active agent, fully stir and form microemulsion, in this microemulsion, titanium oxide nanoparticles is coated modification by tensio-active agent; Two kinds of microemulsions that made are mixed between PH=1～5, after fully stirring, use extractions such as organic solvent such as benzene, cyclohexane, toluene, dimethylbenzene again, obtain Zinc ferrite-titanium dioxide nino-sized compound organosol; If will prepare Zinc ferrite-titanium dioxide nino-sized composite material, organic solvent is wherein removed in the Zinc ferrite-titanium dioxide nino-sized compound organosol underpressure distillation that then will make, obtain the Zinc ferrite-titanium dioxide nino-sized composite granule that the surface is coated with tensio-active agent, be heated to more than 400 ℃, the burning-off surface coating layer, obtain the Zinc ferrite-titanium dioxide nino-sized composite granule of surface exposure, continuation can obtain the Zinc ferrite-titanium dioxide nino-sized composite material of varying particle size 1000 ℃ of following heat treatments at different; If at sintering more than 1000 ℃, then can obtain micron order zinc ferrite-composite titania material; If will prepare nanometer zinc ferrite-nano titania composite membrane, then be that the Zinc ferrite-titanium dioxide nino-sized compound organosol that will prepare is transferred to (as: glass, conductive glass etc.) on the substrate by filming, through thermal treatment below 700 ℃, can obtain Zinc ferrite-titanium dioxide nino-sized composite membrane again.
Used zinc salt and molysite in the inventive method can be nitrate, acetate, vitriol and muriate etc., and corresponding concentration of salt solution is at 0.01～0.1moll
-1Between; Used titanic acid ester can be titanium propanolate, isopropyl titanate, tetrabutyl titanate etc.; Used tensio-active agent can be Witco 1298 Soft Acid and sodium salt thereof, dodecyl sodium sulfonate and sodium salt thereof, stearic acid, sodium stearate, aluminum stearate etc.
The present invention has following advantage:
1. adopt ultrasonic-ball milling composite algorithm to prepare Zinc ferrite-titanium dioxide nino-sized composite material, preparation technology is simple, and is with low cost, and its composition is adjustable on a large scale;
2. the Zinc ferrite-titanium dioxide nino-sized composite material that adopts the sol-gel composite algorithm to prepare, its powder granule is evenly distributed, and particle is tiny, the photocatalytic activity height;
3. adopt the Zinc ferrite-titanium dioxide nino-sized composite material of compound organic sol method preparation, even particle distribution, being difficult for during thermal treatment reunites grows up; The surface coated matrix material of Huo Deing in this way because of its surface coating modification, thereby can be dispersed in water with being stabilized and neutralizes in some organic solvents, and this is specially adapted to the liquid phase light-catalyzed reaction; Nano composite membrane with present method preparation presents good light transfer characteristic in visible-range, also have excellent wideband optical absorption characteristics simultaneously.
The Zinc ferrite-titanium dioxide nino-sized composite material that the inventive method is prepared at one or more aspect of performances such as photoabsorption, photochemical catalysis, opto-electronic conversion and magnetic, is better than single nanometer zinc ferrite and titanic oxide material greatly.This nano composite material also can be used for various photocatalytic process, as can be used as catalyzer of photocatalysis degradation organic contaminant and photochemistry hydrogen manufacturing etc.Zinc ferrite-titanium dioxide nino-sized composite membrane can be used as solar absorptive material, photoelectric conversion material and solar cell material or the like.In a word, material of the present invention can effectively be used in fields such as sun power utilization, opto-electronic conversion, photocatalytic degradation organic poison and magneticsubstances, is a kind of type material with broad prospect of application.
Embodiment:
1. take by weighing 14.85 gram Zn (NO
3)
2.6H
2O and 40.4 gram Fe (NO
3)
3.9H
2O places large beaker, add water and be mixed with 0.5 liter of solution, under agitation use the PH ≈ 13 of 20% sodium hydroxide solution regulator solution, this moment, solution was muddy because of co-precipitation, this turbid solution is heated to boiling, and kept 1～2 hour, extremely neutral through suction filtration, washed product again, drying gets the initial powder of nanometer zinc ferrite, diameter of particle～5nm again; The tetrabutyl titanate of measuring 68ml under agitation adds 200ml ethanol successively in beaker, the dense HNO of 4ml
3And 15mlH
2O obtains transparent colloidal sol, continues to stir 0.5 hour, obtains translucent gel, and the vacuum-drying gel grinds, and in～400 ℃ of thermal treatments 2 hours, obtains titanic oxide nano, the particle diameter 10～15nm of this powder again; Zinc ferrite and titanic oxide nano ultra-sonic dispersion mixing in ethanol earlier with preparation, and then ball milling, can obtain Zinc ferrite-titanium dioxide nino-sized composite powder, behind compressing tablet, in heat-treated different below 1000 ℃, can obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter; If carry out sintering in the temperature that is higher than more than 1000 ℃, then can obtain micron-sized matrix material.
2. earlier prepare the nanometer zinc ferrite powder, with standby behind the ethanol ultra-sonic dispersion by the method for embodiment 1; Measure the 68ml tetrabutyl titanate in large beaker, use the 200ml dissolve with ethanol, under agitation add, add the dense HNO of 4ml more successively through ethanol dispersive zinc ferrite
3And 15mlH
2O forms colloidal sol, continues to stir after forming colloidal sol, until complete gelation; Vacuum-drying obtains xerogel, gets Zinc ferrite-titanium dioxide nino-sized composite granule through ball milling and～400 ℃ of thermal treatments again, with powder thermal treatment under the differing temps below 1000 ℃, can make the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter; If in thermal treatment more than 1000 ℃, can obtain micron-sized matrix material.
3. earlier produce the nanometer zinc ferrite powder by the method for embodiment 1, with powder by water-dispersion after, add concentration and be 15% Sodium dodecylbenzene sulfonate solution, fully stir and make it form microemulsion; The positive ethyl ester of metatitanic acid of measuring 68ml adds the dense HNO of 10ml earlier in large beaker
3Make catalyzer, the water of addings～100ml under slowly stirring continues to stir until forming the transparent water-sol again, then 15% Sodium dodecylbenzene sulfonate solution is joined in this water-sol, fully stirs and makes its formation microemulsion; The microemulsion that top secondary is made merges, and adjusts PH=3, after fully mixing, divide with the toluene of 600ml again three times mixed microemulsion to be extracted, after the extraction, washing extraction product 3～5 times, dewater～100 ℃ of backflows again, obtain the compound organosol of zinc ferrite-titanium dioxide; Toluene is removed in compound organosol underpressure distillation, obtain the Zinc ferrite-titanium dioxide nino-sized composite granule of surface coating modification, add the heat extraction surface coating layer through～400 ℃ again, obtain the nano level ferrous acid zinc-titanium dioxide nano composite powder body of surface exposure, through the differing temps sintering below 1000 ℃, obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter again; If sintering temperature is more than 1000 ℃ then can obtain micron-sized matrix material; As preparing nano level Zinc ferrite-titanium dioxide nino-sized composite membrane, the compound organic gel that then will prepare lifts or spin-coating is transferred on the substrate, through thermal treatment in～500 ℃ and nitrogen atmosphere 1～2 hour, can get nano level zinc ferrite-titanium dioxide composite film again.
Description of drawings:
Fig. 1 be with sol-gel method preparation and through the transmission electron microscope photo of the Zinc ferrite-titanium dioxide nino-sized composite powder after 500 ℃ of thermal treatments;
Fig. 2 is the Zinc ferrite-titanium dioxide nino-sized composite powder of the complex sol method preparation transmission electron microscope photo after through 600 ℃ of thermal treatments.
Claims (4)
1. a Zinc ferrite-titanium dioxide nino-sized composite material is characterized in that being made up of following chemical formula: TiZnxFe
2xO
2x+2Wherein: x=0.01-10; Particle size range 5～100nm:
2. the preparation method of a matrix material as claimed in claim 1 is characterized in that:
A. ultrasonic--ball milling composite algorithm: at first prepare single zinc ferrite and nano TiO 2 powder, successively through ultrasonic ball milling and thermal treatment, prepare Zinc ferrite-titanium dioxide nino-sized composite material again with co-precipitation and sol-gel method;
B. sol-gel composite algorithm: at first prepare tiny zinc ferrite nanoparticle with coprecipitation method, it is dispersed in the TiO 2 sol, making titanium dioxide and zinc ferrite reach nano level with sol-gel method again mixes, obtains Zinc ferrite-titanium dioxide nino-sized composite material through Overheating Treatment again;
C. compound organic sol method: at first prepare zinc ferrite and titanium oxide nanoparticles respectively with coprecipitation method and sol-gel method, with tensio-active agent they are carried out surface coating modification again, obtain compound organosol with the organic solvent peptization again, as presoma, prepare Zinc ferrite-titanium dioxide nino-sized composite material with this.
3. method as claimed in claim 2 is characterized in that:
A. ultrasonic ball milling composite algorithm:
In PH=7～13, temperature is that be Zn: Fe=1 in molar ratio: 2 mixed obtains the nanometer zinc ferrite powder by coprecipitation method under 60～100 ℃ the condition with the aqueous solution of zinc and molysite; Be Ti: H in molar ratio with titanic acid ester, water, ethanol and acid again
2O: C
2H
5OH: H
+=1: 2～4: 10～15: 0.3 mixed, utilize sol-gel process to obtain nano TiO 2 powder; With the zinc ferrite that obtains and titanic oxide nano earlier in alcohol behind the ultra-sonic dispersion, mix by ball milling, obtain Zinc ferrite-titanium dioxide nino-sized composite granule, again through the thermal treatment of 1000 ℃ of following differing tempss, can obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter, if in thermal treatment more than 1000 ℃, can get corresponding micron-sized matrix material.
B. sol-gel composite algorithm:
Be Ti: H in molar ratio with titanic acid ester, water, ethanol and acid earlier
2O: C
2H
5OH: H
+=1: 2～4: 10～15: 0.3 mixed, prepare transparent colloidal sol; Prepare zinc ferrite nanoparticle (preparing the zinc ferrite nanoparticle) with coprecipitation method then with ultrasonic-ball milling composite algorithm, and use the ethanol ultra-sonic dispersion, to continue to stir until complete gelation through the zinc ferrite nanoparticle of ethanol ultra-sonic dispersion in molar ratio for the ratio of Ti: Zn=1: 0.01-10 under agitation joins in the vitreosol of having prepared then; Pass through the gel of preparation dry successively, roasting and ball milling promptly obtain the initial powder of nanometer zinc ferrite-titanium dioxide, again through the thermal treatment of 1000 ℃ of following differing tempss, obtain the Zinc ferrite-titanium dioxide nino-sized composite material of different-grain diameter, if in thermal treatment more than 1000 ℃, can get corresponding micron order matrix material.
C. compound organic sol method:
At first prepare the nanometer zinc ferrite particulate with coprecipitation method, (preparation method is with ultrasonic-ball milling composite algorithm), then this nanoparticle is under agitation added in the aqueous solution of tensio-active agent, fully stirring makes tensio-active agent carry out surface coating modification to the zinc ferrite nanoparticle, forming microemulsion, is Ti: H with titanic acid ester and your ratio of hydromassage again
2O=1: 2～20 ratio is hybrid reaction under the condition of PH≤3, make the flocculation liquid or the water-sol of titanium dioxide, and then add the aqueous solution of tensio-active agent, fully stir and form microemulsion, in this microemulsion, titanium oxide nanoparticles is coated modification by tensio-active agent; Two kinds of microemulsions that made are mixed between PH=1～5, after fully stirring, use extractions such as organic solvent such as benzene, cyclohexane, toluene, dimethylbenzene again, obtain Zinc ferrite-titanium dioxide nino-sized compound organosol; If will prepare Zinc ferrite-titanium dioxide nino-sized composite material, organic solvent is wherein removed in the Zinc ferrite-titanium dioxide nino-sized compound organosol underpressure distillation that then will make, obtain the Zinc ferrite-titanium dioxide nino-sized composite granule that the surface is coated with tensio-active agent, be heated to more than 400 ℃, the burning-off surface coating layer, obtain the Zinc ferrite-titanium dioxide nino-sized composite granule of surface exposure, continuation can obtain the Zinc ferrite-titanium dioxide nino-sized composite material of varying particle size 1000 ℃ of following heat treatments at different; If at sintering more than 1000 ℃, then can obtain micron order zinc ferrite-composite titania material; If will prepare nanometer zinc ferrite-nano titania composite membrane, then be that the Zinc ferrite-titanium dioxide nino-sized compound organosol that will prepare is transferred on the substrate by filming, again through thermal treatment below 700 ℃, the Zinc ferrite-titanium dioxide nino-sized composite membrane that can obtain.
4. method as claimed in claim 2 is characterized in that, used zinc salt and molysite can be nitrate, acetate, vitriol and muriate etc., and corresponding concentration of salt solution is at 0.01～0.1moll
-1Between; Used titanic acid ester can be titanium propanolate, isopropyl titanate, tetrabutyl titanate etc.; Used tensio-active agent can be Witco 1298 Soft Acid and sodium salt thereof, dodecyl sodium sulfonate and sodium salt thereof, stearic acid, sodium stearate, aluminum stearate etc.; Used organic solvent can be benzene, cyclohexane, toluene, dimethylbenzene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111246 CN1201769A (en) | 1998-04-13 | 1998-04-13 | Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111246 CN1201769A (en) | 1998-04-13 | 1998-04-13 | Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1201769A true CN1201769A (en) | 1998-12-16 |
Family
ID=5221240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98111246 Pending CN1201769A (en) | 1998-04-13 | 1998-04-13 | Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1201769A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435946C (en) * | 2007-05-30 | 2008-11-26 | 北京科技大学 | Method for producing zinc ferrous acid light catalytic material by tin-iron mine |
| CN101054266B (en) * | 2007-05-30 | 2010-05-26 | 北京科技大学 | A method for preparing photoelectrocatalytic material zinc ferrite film from lead-zinc tailings |
| CN101653728B (en) * | 2009-09-04 | 2011-04-27 | 大连理工大学 | Preparation method and application of zinc ferrite/titanium dioxide nanocomposite visible light photocatalyst |
| CN101716501B (en) * | 2009-11-25 | 2012-04-18 | 广州远达环保科技有限公司 | Zinc titanate micro-nano photocatalysis material and preparation method thereof |
| US8333912B2 (en) | 2009-07-10 | 2012-12-18 | Corning Incorporated | Thermoelectric composite material and method of producing the same |
| CN102869604A (en) * | 2010-01-27 | 2013-01-09 | 伦斯勒理工学院 | Nanofilled polymeric nanocomposites with tunable index of refraction |
| CN104117373A (en) * | 2013-04-27 | 2014-10-29 | 上海碧科清洁能源技术有限公司 | Phosphorus modified mixed metal oxide catalyst as well as preparation method and application thereof |
| CN105895878A (en) * | 2016-05-20 | 2016-08-24 | 山东玉皇新能源科技有限公司 | Lithium titanate modified material and preparation method thereof |
| CN106362748A (en) * | 2016-08-08 | 2017-02-01 | 贵州民族大学 | A kind of preparation method of TiO2/ZnFe2O4 composite nano material |
| CN108160081A (en) * | 2017-12-29 | 2018-06-15 | 郝峻 | A kind of ZnFe2O4/TiO2Fruit and vegetable residual pesticide scavenger and preparation method thereof |
| CN112692276A (en) * | 2020-12-09 | 2021-04-23 | 武汉科技大学 | Iron-based antioxidant magnetic composite powder and preparation method thereof |
-
1998
- 1998-04-13 CN CN 98111246 patent/CN1201769A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435946C (en) * | 2007-05-30 | 2008-11-26 | 北京科技大学 | Method for producing zinc ferrous acid light catalytic material by tin-iron mine |
| CN101054266B (en) * | 2007-05-30 | 2010-05-26 | 北京科技大学 | A method for preparing photoelectrocatalytic material zinc ferrite film from lead-zinc tailings |
| US8333912B2 (en) | 2009-07-10 | 2012-12-18 | Corning Incorporated | Thermoelectric composite material and method of producing the same |
| CN101653728B (en) * | 2009-09-04 | 2011-04-27 | 大连理工大学 | Preparation method and application of zinc ferrite/titanium dioxide nanocomposite visible light photocatalyst |
| CN101716501B (en) * | 2009-11-25 | 2012-04-18 | 广州远达环保科技有限公司 | Zinc titanate micro-nano photocatalysis material and preparation method thereof |
| CN102869604A (en) * | 2010-01-27 | 2013-01-09 | 伦斯勒理工学院 | Nanofilled polymeric nanocomposites with tunable index of refraction |
| CN104117373A (en) * | 2013-04-27 | 2014-10-29 | 上海碧科清洁能源技术有限公司 | Phosphorus modified mixed metal oxide catalyst as well as preparation method and application thereof |
| CN104117373B (en) * | 2013-04-27 | 2016-06-01 | 上海碧科清洁能源技术有限公司 | Mixed metal oxide catalyst of P Modification and its preparation method and application |
| CN105895878A (en) * | 2016-05-20 | 2016-08-24 | 山东玉皇新能源科技有限公司 | Lithium titanate modified material and preparation method thereof |
| CN106362748A (en) * | 2016-08-08 | 2017-02-01 | 贵州民族大学 | A kind of preparation method of TiO2/ZnFe2O4 composite nano material |
| CN108160081A (en) * | 2017-12-29 | 2018-06-15 | 郝峻 | A kind of ZnFe2O4/TiO2Fruit and vegetable residual pesticide scavenger and preparation method thereof |
| CN112692276A (en) * | 2020-12-09 | 2021-04-23 | 武汉科技大学 | Iron-based antioxidant magnetic composite powder and preparation method thereof |
| CN112692276B (en) * | 2020-12-09 | 2024-03-08 | 武汉科技大学 | Iron-based antioxidant magnetic composite powder and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Improved hydrogen production from glycerol photoreforming over sol-gel derived TiO2 coupled with metal oxides | |
| Nah et al. | Doped TiO2 and TiO2 nanotubes: synthesis and applications | |
| Yang et al. | TiO2 thin-films on polymer substrates and their photocatalytic activity | |
| Filippo et al. | Enhanced photocatalytic activity of pure anatase TiO 2 and Pt-TiO 2 nanoparticles synthesized by green microwave assisted route | |
| Sayılkan | Improved photocatalytic activity of Sn4+-doped and undoped TiO2 thin film coated stainless steel under UV-and VIS-irradiation | |
| Xie et al. | Characterization and photocatalysis of Eu3+–TiO2 sol in the hydrosol reaction system | |
| Huang et al. | Core− shell microspherical Ti1-x Zr x O2 solid solution photocatalysts directly from ultrasonic spray pyrolysis | |
| Verduzco et al. | Degradation efficiency of methyl orange dye by La0. 5Sr0. 5CoO3 perovskite oxide under dark and UV irradiated conditions | |
| CN112371105B (en) | A kind of niobium pentoxide/titanium dioxide composite photocatalyst and its preparation method and application | |
| Tiejun et al. | Photocatalytic performance of TiO2 catalysts modified by H3PW12O40, ZrO2 and CeO2 | |
| CN108940332B (en) | A kind of preparation method of high activity MoS2/g-C3N4/Bi24O31Cl10 composite photocatalyst | |
| CN1201769A (en) | Zinc ferrite-titanium dioxide nino-sized composite material and manufacture thereof | |
| Kavitha et al. | Synthesis of Cu loaded TiO2 nanoparticles for the improved photocatalytic degradation of rhodamine B | |
| Cui et al. | Heterogeneous semiconductor shells sequentially coated on upconversion nanoplates for NIR-light enhanced photocatalysis | |
| CN109225283A (en) | Graphene/titanium dioxide/bismuth oxyiodide ternary complex and its preparation method and application | |
| Ma et al. | Polydopamine-induced fabrication of Ag-TiO2 hollow nanospheres and their application in visible-light photocatalysis | |
| CN113731430A (en) | Double Z type CuO/CuBi2O4/Bi2O3Composite photocatalyst and preparation method and application thereof | |
| Abdalamir et al. | Preparation and characterization of structural properties for TiO2 and CuO nanostructures by sol-gel technique | |
| Wang et al. | A weak-light-responsive TiO 2/gC 3 N 4 composite film: photocatalytic activity under low-intensity light irradiation | |
| Kao et al. | Characterization, photoelectrochemical properties, and surface wettabilities of transparent porous TiO2 thin films | |
| CN113101980A (en) | TiO with visible light catalytic activity2Preparation method and application of/UiO-66 composite material | |
| CN113493221B (en) | A kind of molybdenum dioxide/titanium dioxide nanocomposite material and its preparation method and application | |
| Zhou et al. | Deep eutectic solvent-assisted synthesis of defective TiO2 capable of absorbing near-infrared light | |
| Li et al. | Synthesis of a bicontinuous structured SrTiO 3 porous film with significant photocatalytic activity by controlling phase separation process | |
| Li et al. | Degradation of 2, 4, 6-trichlorphenol by producing hydrogen using ultrasonic mist generated from photocatalysts suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |