CN103691421A - CeVO4 micro-sphere photocatalyst and preparation method thereof - Google Patents

CeVO4 micro-sphere photocatalyst and preparation method thereof Download PDF

Info

Publication number
CN103691421A
CN103691421A CN201310751520.1A CN201310751520A CN103691421A CN 103691421 A CN103691421 A CN 103691421A CN 201310751520 A CN201310751520 A CN 201310751520A CN 103691421 A CN103691421 A CN 103691421A
Authority
CN
China
Prior art keywords
cevo
preparation
solution
micron ball
deionized water
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.)
Granted
Application number
CN201310751520.1A
Other languages
Chinese (zh)
Other versions
CN103691421B (en
Inventor
李莉
鲍霞
潘路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huainan Normal University
Original Assignee
Huainan Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huainan Normal University filed Critical Huainan Normal University
Priority to CN201310751520.1A priority Critical patent/CN103691421B/en
Priority to CN201510657930.9A priority patent/CN105126814B/en
Publication of CN103691421A publication Critical patent/CN103691421A/en
Application granted granted Critical
Publication of CN103691421B publication Critical patent/CN103691421B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a CeVO4 micro-sphere photocatalyst and a preparation method thereof, and belongs to the field of nano-micron material preparation. The preparation method comprises the following steps: dissolving Ce(NO3)3.6H2O and NH4VO3 in deionized water according to a molar ratio of 1 to 1 to form a solution A; weighing EDTA (ethylene diamine tetraacetic acid) and dissolving in the deionized water to form a solution B, wherein the molar ratio of Ce(NO3)3.6H2O to EDTA is 1 to 1; pouring the solution B into the solution A, mixing and magnetically stirring; putting the stirred solution into a stainless steel reaction kettle, putting the reaction kettle into an oven, heating to 180 DEG C, and preserving heat for 6-24 hours; performing furnace cooling on a hydrothermal product, washing by the deionized water and ethanol in sequence, and drying. CeVO4 micro-spheres are square single crystals and have space groups 141/amd [141]; in addition, the CeVO4 micro-spheres are spherical and have the diameters of 2-4 microns and the spherical walls of 100 nm. The preparation method is simple and the particle size distribution is uniform.

Description

A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof
Technical field
The present invention relates to the preparation field of nano and micro materials, more particularly, relate to a kind of CeVO 4micron ball photochemical catalyst and preparation method thereof.
Background technology
Novel inorganic nonmetal nano material is owing to having the focus that unique physical character and chemical property are Recent study.Cerium vanadate (the CeVO of tetragonal phase 4, hereinafter to be referred as CVO) and as a kind of composite metal oxide, the optics of tool uniqueness, electricity, magnetics and redox property, be widely used in the fields such as photoelectricity, catalysis, biology.For example as traditional fluorescent material, be widely used in polarizer, el light emitting device and main laser material, catalytic oxidation of propane dehydrogenation is propylene, can be used as the element of formation of solid polycomplex anode of oxide fuel cell etc.Having in addition its energy gap of report is 2.7eV left and right, can be used as photochemical catalyst catalytic degradation dyestuff and organic matter under radiation of visible light.
The method of synthetic CVO nano material generally includes liquid phase synthetic technology, vapour deposition (CVD), microwave-assisted synthesis and traditional solid sintering technology etc.With respect to gas phase and solid phase method, the advantage such as liquid phase method has that method is simple, energy-conserving and environment-protective, temperature are lower, is widely used at present.Liquid phase preparation process comprises hydro-thermal solvent-thermal method, sol-gel process, low-temperature molten salt method, self-propagating combustion, coprecipitation, ultrasonic synthetic and polyalcohol method etc.
Document 1(Nuengruethai Ekthammathat, Titipun Thongtem, Anukorn Phuruangrat, and Somchai Thongtem, Journal of Nanomaterials, 2013,7,1-7) Ce (NO for Nuengruethai Ekthammathat etc. 3) 36H 2o and NH 4vO 3for raw material, by the different pH values of HCl and NaOH regulator solution, microwave reaction 180W, 120min makes flower-shaped and shaft-like CVO.
Document 2(Hong Deng, Chenmin Liu, Shihe Yang, Si Xiao, Zhang-Kai Zhou, and Qu-Quan Wang, Crystal Growth & Design, 2008,8,12,4432-4439) Ce (NO for Hong Deng etc. 3) 36H 2o, Na 3vO 4with EDTA be raw material, the different pH values with ammoniacal liquor regulator solution are heated to 180 ℃ in reactor, react 24h, according to the proportioning difference of reactant made CVO nano rod, nano wire and careless pencil, flower-shaped CVO is nanocrystalline.
Document 3(Cuicui Yu, Min Yu, Chunxia Li, Cuimiao Zhang, Piaoping Yang, and Jun Lin, Crystal Growth & Design, 2009,9,2,783-791) Ce (NO for Cuicui Yu etc. 3) 36H 2o, NH 4vO 3with rare HNO 3for raw material, by the different pH values of ammoniacal liquor regulator solution, ultrasonic reaction 1h, has made fusiform CVO nanocrystalline.
In document 1, adopt the different pH values of HCl and NaOH regulator solution, in document 2 and document 3, all adopt the different pH values of ammoniacal liquor regulator solution, make whole reaction system present alkalescent.Applicant tests discovery, pH is very large to the pattern effect of crystal growth, that document 1 obtains is flower-shaped and shaft-like CVO, document 2 obtains is that CVO nano rod, nano wire and careless pencil, flower-shaped CVO are nanocrystalline, what document 3 obtained is that fusiform CVO is nanocrystalline, all the three-dimensional spherulite of unsuccessful acquisition.In addition, in document 2, adopt Na 3vO 4do vanadium source, relative price is expensive, and does not obtain three-dimensional spherulite.
Document 4(Hong Deng, Shihe Yang, Si Xiao, Hong-Mei Gong, and Qu-Quan Wang, J.AM.CHEM.SOC.2008,130,2032-2040) Ce (NO for Hong Deng etc. 3) 36H 2o, Na 3vO 4, NaOH, octadecylene and oleic acid, oleyl amine be raw material, after processing early stage, heats 180 ℃ in reactor, reaction 24h, the CVO that has made box-shaped is nanocrystalline, its diameter is about 40nm.
Document 5(Thanh-Dinh Nguyen, Cao-Thang Dinh, and Trong-On Do, Langmuir, 2009,25 (18), 11142 – 11148) Ce (NO such as Thanh-Dinh Nguyen 3) 36H 2o, toluene, acetic acid, potassium oleate are raw material stirring reaction 1h at 70 ℃, make Ce (OA) 3compound, uses V 2o 5, NaOH, TOABr, toluene is that mixed raw material obtains VO 4(TOA) 3compound, then the two is mixed, adds oleyl amine, heat 180 ℃ in reactor, reaction 16h, and the CVO that to have made diameter be 15nm is nanocrystalline.
Document 1～document 5 has prepared CeVO by diverse ways respectively 4nano and micro materials, but problems and the deficiency such as these methods still exist complex process, environmental pollution, organic matter amount is large, particle is inhomogeneous.In sum, the CeVO that prepared by existing bibliographical information 4crystal mostly is common nanocrystalline and one-dimensional nano line or nano rod, few three-dimensional chondritic also want high-temperature calcination after Hydrothermal Synthesis, and synthetic particle size distribution is inhomogeneous, poor-performing.
Summary of the invention
1. the technical problem that invention will solve
The object of the invention is to overcome and in prior art, cannot by suitable method, prepare particle diameter and be evenly distributed, and be the CeVO of three-dimensional chondritic 4the problem of micron ball, provides a kind of CeVO 4micron ball photochemical catalyst and preparation method thereof, adopts technical scheme of the present invention, and technique is simple, be convenient to industrialization produces, and the product of preparation has, and specific area is large, particle diameter is evenly distributed, degree of crystallinity high.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of CeVO of the present invention 4micron ball photochemical catalyst, this CeVO 4micron ball photochemical catalyst has following character: (1), this CeVO 4micron ball is cubic monocrystalline, and space group is: 14 1/ amd[141]; (2), this CeVO 4micron ball is spherical, and its diameter is 2～4 μ m, and ball wall is 100nm.
A kind of CeVO of the present invention 4the preparation method of micron ball photochemical catalyst, its step is as follows:
Step 1, the Ce (NO that is 1:1 by mol ratio 3) 36H 2o and NH 4vO 3be dissolved in deionized water, be stirred to whole dissolvings, form solution A;
Step 2, take EDTA, wherein: Ce (NO 3) 36H 2the mol ratio of O and EDTA is 1:1, EDTA is dissolved in deionized water, and is stirred to whole dissolvings, forms solution B;
Step 3, the solution B that step 2 is obtained are poured in the solution A that step 1 obtains, and the two mixes, and carries out magnetic agitation;
Step 4, the solution after step 3 stirs is packed into and had in teflon-lined stainless steel cauldron, adding deionized water makes liquor capacity to 70%～80% of reactor volume, above-mentioned reactor is put into baking oven, be heated to 180 ℃, and insulation reaction 6～24 hours;
Step 5, the product after step 4 hydro-thermal is cooling with stove after, successively with deionized water and ethanol, clean, be then drying to obtain CeVO 4micron ball photochemical catalyst.
A kind of CeVO of the present invention 4the preparation method of micron ball photochemical catalyst, in step 3, the temperature of magnetic agitation is room temperature, mixing time is 0.5～1 hour.
A kind of CeVO of the present invention 4the preparation method of micron ball photochemical catalyst, in step 5, baking temperature is 60～80 ℃, be 5～6 hours drying time.
3. beneficial effect
Adopt technical scheme provided by the invention, compare with existing known technology, there is following remarkable result:
(1) a kind of CeVO of the present invention 4the preparation method of micron ball photochemical catalyst, its raw material adopts Ce (NO 3) 36H 2o, NH 4vO 3and EDTA, adopt simple gentleness, eco-friendly hydrothermal method, utilize EDTA for complexant and template direction agent, and and NH 4vO 3in NH 4 +the pH value of the whole reaction system of co-controlling is faintly acid, and the growth that gentle reaction system is nano and micro materials provides suitable environment, thereby is that diameter is the spherical CeVO of 2～4 μ m by controlling the addition control products therefrom pattern of EDTA 4micron ball, and particle diameter is evenly distributed.But, CeVO prepared by existing bibliographical information 4crystal mostly is common nanocrystalline and one-dimensional nano line or nano rod, few three-dimensional chondritic also to want after Hydrothermal Synthesis high-temperature calcination and its particle diameter to distribute also inhomogeneous, the present invention passes through control Ce (NO 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA be 1:1:1, successfully realized the spherical CeVO that obtains three-dimensional appearance under the condition of low temperature 4crystal, ball wall is thinner, and diameter is about 2～4 μ m, is the monocrystalline of complete crystallization, and this is in prior art, not yet to have bibliographical information.CeVO of the present invention 4micron ball photochemical catalyst, because its hollow ball-type structural material has the features such as specific area is large, density is low, good stability, and the photocatalytic activity of photochemical catalyst and the degree of crystallinity of catalyst, size, pattern etc. are because have substantial connection, photocatalysis performance test experiments proved invention CeVO 4micron ball and one-dimentional structure CeVO 4material is compared, and has good photocatalysis performance.Experiment confirms: synthetic CeVO 4the energy gap of micron ball is 2.73eV, has response in visible-range, and to dyestuff rhodamine B, at simulation radiation of visible light, the degradation rate after 4 hours can reach 96.15%.
(2) a kind of CeVO of the present invention 4the preparation method of micron ball photochemical catalyst, usings EDTA as complexant and template direction agent, and environmental protection is easy to control, and avoids using toxicity large, dangerous large organic solvent and complexant; Course of reaction is without adding surfactant or other any organic matters, and experimental technique route is simple, operation is convenient, environmental friendliness.
Accompanying drawing explanation
Fig. 1 is a kind of CeVO of the present invention 4the preparation method's of micron ball photochemical catalyst schematic flow sheet.
Fig. 2 is the CeVO of embodiment 1 preparation 4the XRD spectra of micron ball.
Fig. 3 is the CeVO of embodiment 1 preparation 4the SEM figure of micron ball.
Fig. 4 is the CeVO of embodiment 1 preparation 4the TEM figure of micron ball.
Fig. 5 is the CeVO of embodiment 1 preparation 4the HRTEM figure of micron ball.
The specific embodiment
For further understanding content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of CeVO of the present embodiment 4the preparation method of micron ball photochemical catalyst, its step is as follows:
Step 1, the Ce (NO that is 1:1 by mol ratio 3) 36H 2o and NH 4vO 3be dissolved in 20mL deionized water, Ce (NO in the present embodiment 3) 36H 2o and NH 4vO 3take each 5mmol, be stirred to whole dissolvings, form colourless solution A;
Step 2, take EDTA5mmol, EDTA is dissolved in 20mL deionized water, and is stirred to whole dissolvings, form colourless solution B, Ce (NO in the present embodiment 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA be 1:1:1;
Step 3, the solution B that step 2 is obtained are poured in the solution A that step 1 obtains, and the two mixes, and carries out magnetic agitation, the temperature of magnetic agitation is room temperature, mixing time be 0.5～1 hour all can, in the present embodiment, mixing time is 0.7 hour, and reactant is mixed;
Step 4, the solution after step 3 stirs is packed into and had in teflon-lined stainless steel cauldron, adding deionized water makes liquor capacity to 70%～80% of reactor volume, above-mentioned reactor is put into baking oven, be heated to 180 ℃, and insulation reaction 6～24 hours all can, in the present embodiment, insulation reaction is 12 hours;
Step 5, the product after step 4 hydro-thermal is cooling with stove after, successively with deionized water and ethanol, clean, remove organic solvent and foreign ion that product adheres to, be then drying to obtain the CeVO of rufous 4micron ball photochemical catalyst.In the present invention, baking temperature is 60～80 ℃, and be 5～6 hours drying time, and specifically baking temperature is 70 ℃ in the present embodiment, and be 5 hours drying time.
The CeVO that the method for employing the present embodiment prepares 4micron ball photochemical catalyst has following character: (1), this CeVO 4micron ball is cubic monocrystalline, and space group is: 14 1/ amd[141]; (2), this CeVO 4micron ball is spherical, and its diameter is 2～4 μ m, and ball wall is 100nm.Fig. 2 is the prepared CeVO of the present embodiment 4nanocrystalline XRD spectra, in figure, all diffraction maximums can index be Emission in Cubic CeVO 4standard powder diffraction data [referring to Joint Committee on Powder Diffraction Standards (JCPDS), File No.12-0757], do not find the diffraction maximum of any impurity.Fig. 3, Fig. 4, Fig. 5 are the prepared CeVO of the present embodiment 4the SEM figure of micron ball, TEM figure and HRTEM figure, can find the CeVO making 4micron crystalline substance is spherical, diameter 2～4 μ m.HRTEM figure gained interplanar distance is 0.260nm, corresponding to the index CeVO of institute 4(220) crystal face.
Comparative example 1
This comparative example be a kind of CeVO 4the preparation method of nano and micro materials, its step is with embodiment 1, and difference is: in this comparative example, in step 2, take the amount 0mmol of EDTA, find the CeVO finally obtaining through test 4the pattern of powder is the mixture of irregular bulk and stub.
Comparative example 2
This comparative example be a kind of CeVO 4the preparation method of nano and micro materials, its step is with embodiment 1, and difference is: in this comparative example, step 2 takes the amount 2.5mmol of EDTA, Ce (NO 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA be 1:1:0.5, through test, find the CeVO finally obtain 4the pattern of powder is irregular spherical, and diameter is 2～6 μ m, also has irregular block aggregate.
Comparative example 3
This comparative example be a kind of CeVO 4the preparation method of nano and micro materials, its step is with embodiment 1, and difference is: in this comparative example, step 2 takes the amount 7.5mmol of EDTA, Ce (NO 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA be 1:1:1.5, through test, find the CeVO finally obtain 4the pattern of powder is irregular spherical and spherical agglomerated thing.
Comparative example 4
This comparative example be a kind of CeVO 4the preparation method of nano and micro materials, its step is with embodiment 1, and difference is: in this comparative example, step 2 takes the amount 10mmol of EDTA, Ce (NO 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA be 1:1:2, through test, find the CeVO finally obtain 4the pattern of powder is for being irregular spherical, and diameter is about 1～2 μ m, and ball wall is thicker, reunites more serious.
Known according to comparative example 1～4 and embodiment 1, in order to obtain the uniform spherical CeVO of pattern 4micron is brilliant, and its key is exactly to select EDTA as complexant and template direction agent, and controls Ce (NO 3) 36H 2o, NH 4vO 3with the mol ratio of EDTA, this is the outstanding improvement of the present invention, although adopted EDTA as raw material in background technology Literature 1, adopts the pH value of ammoniacal liquor regulator solution to cause obtaining the CeVO of three-dimensional spherical structure in document 1 4powder.Except technical scheme of the present invention, all cannot obtain the uniform spherical CeVO of pattern 4micron is brilliant.

Claims (4)

1. a CeVO 4micron ball photochemical catalyst, is characterized in that, this CeVO 4micron ball photochemical catalyst has following character:
(1), this CeVO 4micron ball is cubic monocrystalline, and space group is: 14 1/ amd[141];
(2), this CeVO 4micron ball is spherical, and its diameter is 2～4 μ m, and ball wall is 100nm.
2. a CeVO 4the preparation method of micron ball photochemical catalyst, is characterized in that, its step is as follows:
Step 1, the Ce (NO that is 1:1 by mol ratio 3) 36H 2o and NH 4vO 3be dissolved in deionized water, be stirred to whole dissolvings, form solution A;
Step 2, take EDTA, wherein: Ce (NO 3) 36H 2the mol ratio of O and EDTA is 1:1, EDTA is dissolved in deionized water, and is stirred to whole dissolvings, forms solution B;
Step 3, the solution B that step 2 is obtained are poured in the solution A that step 1 obtains, and the two mixes, and carries out magnetic agitation;
Step 4, the solution after step 3 stirs is packed into and had in teflon-lined stainless steel cauldron, adding deionized water makes liquor capacity to 70%～80% of reactor volume, above-mentioned reactor is put into baking oven, be heated to 180 ℃, and insulation reaction 6～24 hours;
Step 5, the product after step 4 hydro-thermal is cooling with stove after, successively with deionized water and ethanol, clean, be then drying to obtain CeVO 4micron ball photochemical catalyst.
3. a kind of CeVO according to claim 2 4the preparation method of micron ball photochemical catalyst, is characterized in that: in step 3, the temperature of magnetic agitation is room temperature, and mixing time is 0.5～1 hour.
4. a kind of CeVO according to claim 2 4the preparation method of micron ball photochemical catalyst, is characterized in that: in step 5, baking temperature is 60～80 ℃, and be 5～6 hours drying time.
CN201310751520.1A 2013-12-31 2013-12-31 A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof Expired - Fee Related CN103691421B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310751520.1A CN103691421B (en) 2013-12-31 2013-12-31 A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof
CN201510657930.9A CN105126814B (en) 2013-12-31 2013-12-31 A kind of CeVO4The preparation method of micron ball photocatalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310751520.1A CN103691421B (en) 2013-12-31 2013-12-31 A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201510657930.9A Division CN105126814B (en) 2013-12-31 2013-12-31 A kind of CeVO4The preparation method of micron ball photocatalyst

Publications (2)

Publication Number Publication Date
CN103691421A true CN103691421A (en) 2014-04-02
CN103691421B CN103691421B (en) 2016-01-27

Family

ID=50353180

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201510657930.9A Expired - Fee Related CN105126814B (en) 2013-12-31 2013-12-31 A kind of CeVO4The preparation method of micron ball photocatalyst
CN201310751520.1A Expired - Fee Related CN103691421B (en) 2013-12-31 2013-12-31 A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201510657930.9A Expired - Fee Related CN105126814B (en) 2013-12-31 2013-12-31 A kind of CeVO4The preparation method of micron ball photocatalyst

Country Status (1)

Country Link
CN (2) CN105126814B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104445399A (en) * 2014-11-30 2015-03-25 湘潭大学 Preparation method of hexagonal cerium vanadate nanodisk and use thereof
CN105253916A (en) * 2015-08-25 2016-01-20 江西师范大学 Preparation method for monoclinic phase Eu2O2SO4 microsphere
CN105478153A (en) * 2015-11-30 2016-04-13 南京理工大学 CeVO4 / Ag / g-C3N4 composite photocatalyst and preparation method thereof
CN106179317A (en) * 2016-07-19 2016-12-07 辽宁石油化工大学 A kind of by nanoparticle molecular cerium vanadate micron ball catalyst and preparation method
CN108620109A (en) * 2018-06-12 2018-10-09 常州大学 The preparation method and applications of heterojunction photocatalyst are converted on a kind of cerium vanadate/modified attapulgite
CN109092334A (en) * 2018-08-23 2018-12-28 辽宁石油化工大学 A kind of visible light-responded BiOBr/CeVO4The preparation and its application of hetero-junctions
CN109174078A (en) * 2018-07-11 2019-01-11 辽宁石油化工大学 A kind of preparation and its application of visible light-responded blueweed headdress flower type vanadic acid cerium catalyst
CN115672305A (en) * 2022-09-14 2023-02-03 南京工业大学 CeVO 4 Preparation method and application of hollow cubic structure

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352582A (en) * 2017-08-25 2017-11-17 淮南师范学院 A kind of PrVO4Nanofiber photocatalyst and preparation method thereof
CN107954473B (en) * 2017-10-31 2020-06-19 华南理工大学 Sol-gel preparation method of cerium metavanadate anode material of lithium ion battery
CN108585040B (en) * 2018-01-25 2020-01-24 淮北师范大学 CeVO4Quick preparation method of functional material
CN113332972B (en) * 2021-06-01 2022-12-13 南通大学 CeVO 4 @BiVO 4 Composite nano material, preparation method and application

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11156191A (en) * 1997-11-27 1999-06-15 Babcock Hitachi Kk Cleaning catalyst and cleaning method for waste gas
CN102641732A (en) * 2012-04-17 2012-08-22 淮阴师范学院 Multi-morphology rare earth doped BiVO4 composite photocatalyst and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000226259A (en) * 1999-02-02 2000-08-15 Natl Inst For Res In Inorg Mater Electroconductive material consisting of cerium vanadium oxide compound
CN101786662B (en) * 2010-03-22 2011-11-09 北京化工大学 Cerium vanadate nano-rod assembly and preparation method thereof
CN102295311B (en) * 2011-07-22 2013-12-04 河北联合大学 Method for preparing bismuth vanadate nano-material by microwave radiation method
CN102502821B (en) * 2011-09-29 2013-07-24 北京工业大学 Mixed organic solvent-thermal method for preparing spherical or hollow spherical BiVO4
CN102504819B (en) * 2011-11-10 2013-12-18 山东大学 Preparation method for YVO4-based up-conversion luminescence microspheres

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11156191A (en) * 1997-11-27 1999-06-15 Babcock Hitachi Kk Cleaning catalyst and cleaning method for waste gas
CN102641732A (en) * 2012-04-17 2012-08-22 淮阴师范学院 Multi-morphology rare earth doped BiVO4 composite photocatalyst and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HONG DENG等: "Additive-Mediated Splitting of Lanthanide Orthovanadate Nanocrystals in Water: Morphological Evolution from Rods to Sheaves and to Spherulites", 《CRYSTAL GROWTH & DESIGN》 *
LING ZHU等: "Selective synthesis of mesoporous and nanorod CeVO4 without template", 《JOURNAL OF NANOPARTICLE RESEARCH》 *

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104445399A (en) * 2014-11-30 2015-03-25 湘潭大学 Preparation method of hexagonal cerium vanadate nanodisk and use thereof
CN105253916A (en) * 2015-08-25 2016-01-20 江西师范大学 Preparation method for monoclinic phase Eu2O2SO4 microsphere
CN105253916B (en) * 2015-08-25 2017-11-24 江西师范大学 One kind prepares monocline crystalline phase Eu2O2SO4The method of micron ball
CN105478153A (en) * 2015-11-30 2016-04-13 南京理工大学 CeVO4 / Ag / g-C3N4 composite photocatalyst and preparation method thereof
CN105478153B (en) * 2015-11-30 2018-01-02 南京理工大学 A kind of CeVO4/Ag/g‑C3N4Composite photo-catalyst and preparation method thereof
CN106179317B (en) * 2016-07-19 2018-10-26 辽宁石油化工大学 One kind is by the molecular cerium vanadate micron sphere catalyst of nanoparticle and preparation method
CN106179317A (en) * 2016-07-19 2016-12-07 辽宁石油化工大学 A kind of by nanoparticle molecular cerium vanadate micron ball catalyst and preparation method
CN108620109A (en) * 2018-06-12 2018-10-09 常州大学 The preparation method and applications of heterojunction photocatalyst are converted on a kind of cerium vanadate/modified attapulgite
CN109174078A (en) * 2018-07-11 2019-01-11 辽宁石油化工大学 A kind of preparation and its application of visible light-responded blueweed headdress flower type vanadic acid cerium catalyst
CN109174078B (en) * 2018-07-11 2021-12-07 辽宁石油化工大学 Preparation and application of visible-light-responsive cynara scolymus type cerium vanadate catalyst
CN109092334A (en) * 2018-08-23 2018-12-28 辽宁石油化工大学 A kind of visible light-responded BiOBr/CeVO4The preparation and its application of hetero-junctions
CN109092334B (en) * 2018-08-23 2021-02-12 辽宁石油化工大学 Visible light response BiOBr/CeVO4Preparation of heterojunction and application thereof
CN115672305A (en) * 2022-09-14 2023-02-03 南京工业大学 CeVO 4 Preparation method and application of hollow cubic structure
CN115672305B (en) * 2022-09-14 2023-12-19 南京工业大学 CeVO (CeVO) 4 Preparation method and application of hollow cube structure

Also Published As

Publication number Publication date
CN105126814A (en) 2015-12-09
CN103691421B (en) 2016-01-27
CN105126814B (en) 2017-09-15

Similar Documents

Publication Publication Date Title
CN103691421B (en) A kind of CeVO 4micron ball photochemical catalyst and preparation method thereof
CN101857237A (en) Method for preparing mesoporous silicon dioxide nano rod through regulation and control
CN100406117C (en) Magnetic photocatalyst and its preparing method
Wang et al. Preparation of lanthanum zirconate nano-powders by molten salts method
CN103539210A (en) Preparation method of cobalt molybdate microcrystals
CN103157461A (en) Nanometer photocatalyst bismuth tungstate and preparation method thereof
CN102659149A (en) Preparation method for monodisperse high-purity alpha-Al2O3 powder
CN103435096A (en) Method for preparing size controllable nano stannic oxide
CN1962458A (en) Method for preparing anatase-like titanium dioxide nanometer powder
CN102101697A (en) Rapid preparation method of high-dispersible TiO2 nano crystal sol
CN101234347B (en) Method for preparing niobate composition metal oxide nano particle
CN103553140A (en) Method for preparing lanthanum ferrite nanodisk
CN105032397A (en) Method for synthesizing bismuth vanadate photocatalyst through starch self-combustion
CN102070178A (en) Method for preparing yttrium oxide micro-nano-materials based on hydrothermal technology regulation and control
CN104402065A (en) Preparation method of spheroidic CoS2 nanometer powder
CN108609652A (en) A method of preparing Zirconium dioxide nano powder using fused salt
CN104973624A (en) Preparation method of meshy tetragonal phase zirconia nano powder
CN102502871A (en) Method for synthesizing three-dimensional porous ferric oxide nano rod cluster
CN106423259A (en) Method for preparing Ag-AgBr/Al-MCM-41 composite functional material from natural attapulgite
CN103408064B (en) Method for preparing indium oxide cubes through microwave-assisted hydrothermal method
CN102502859B (en) Preparation method for iron molybdate nanocone material with sheet-layer structure
CN102671577B (en) Hydro-thermal reaction device is used in inorganic nano-particle synthesis
CN102583570A (en) Method for synthesizing triclinic-phase FeVO4 powder with microwave-hydrothermal method
CN102120183A (en) Preparation method of cerium-based rare earth binary one-dimensional oxide solid solution
CN103922385A (en) Preparation method of cerium oxide hexagonal nanometer sheet structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160127

Termination date: 20191231

CF01 Termination of patent right due to non-payment of annual fee