CN102671685A - Photocatalytic basic lanthanum carbonate and preparation method and application thereof - Google Patents
Photocatalytic basic lanthanum carbonate and preparation method and application thereof Download PDFInfo
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- CN102671685A CN102671685A CN2012101838182A CN201210183818A CN102671685A CN 102671685 A CN102671685 A CN 102671685A CN 2012101838182 A CN2012101838182 A CN 2012101838182A CN 201210183818 A CN201210183818 A CN 201210183818A CN 102671685 A CN102671685 A CN 102671685A
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- lanthanum
- photocatalyst
- carbonate
- preparation
- lanthanum carbonate
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- NZPIUJUFIFZSPW-UHFFFAOYSA-H lanthanum carbonate Chemical compound [La+3].[La+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O NZPIUJUFIFZSPW-UHFFFAOYSA-H 0.000 title claims abstract description 24
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229910017569 La2(CO3)3 Inorganic materials 0.000 title claims abstract 14
- 229960001633 lanthanum carbonate Drugs 0.000 title claims abstract 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims abstract description 6
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 229910052746 lanthanum Inorganic materials 0.000 claims description 17
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 17
- 239000011941 photocatalyst Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 239000004202 carbamide Substances 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- JLRJWBUSTKIQQH-UHFFFAOYSA-K lanthanum(3+);triacetate Chemical compound [La+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JLRJWBUSTKIQQH-UHFFFAOYSA-K 0.000 claims description 3
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 6
- NKCVNYJQLIWBHK-UHFFFAOYSA-N carbonodiperoxoic acid Chemical compound OOC(=O)OO NKCVNYJQLIWBHK-UHFFFAOYSA-N 0.000 claims 3
- 239000002904 solvent Substances 0.000 claims 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 238000003760 magnetic stirring Methods 0.000 claims 1
- 239000011259 mixed solution Substances 0.000 claims 1
- 238000001308 synthesis method Methods 0.000 claims 1
- 238000007146 photocatalysis Methods 0.000 abstract description 11
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 10
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 8
- 229940012189 methyl orange Drugs 0.000 description 8
- 239000012046 mixed solvent Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- GJKFIJKSBFYMQK-UHFFFAOYSA-N lanthanum(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GJKFIJKSBFYMQK-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000006303 photolysis reaction Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 230000015843 photosynthesis, light reaction Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The invention discloses a photocatalytic basic lanthanum carbonate (LaCO3OH) and a preparation method and application thereof. The photocatalytic basic lanthanum carbonate (LaCO3OH) prepared by the hydrothermal method is applied in photocatalytic water splitting for oxygen production and the photocatalytic degradation of organic pollutants in the environment. The basic lanthanum carbonate (LaCO3OH) is applied in the field of photocatalysis for the first time. The preparation method is simple, complex and expensive equipment is not needed, synthesis conditions are mild, and thereby the invention is easy to popularize on a large scale.
Description
Technical field
The invention belongs to the technical field of new material preparation and photocatalysis environmental pollution improvement and photocatalytic hydrogen production by water decomposition, be specifically related to photochemical catalyst basic carbonate lanthanum (LaCO
3OH).
Technical background
Serious day by day along with energy crisis and problem of environmental pollution, the sustainable development of human society faces huge challenge, how to effectively utilize solar energy and administers and pollute and tap a new source of energy that oneself causes the extensive concern of countries in the world.In recent years, conductor photocatalysis is technological because of the important application prospect in hydrogen energy source exploitation and environmental pollution improvement, and receives various fields scientific worker's extensive concern, but because traditional T iO
2Based photocatalyst exists quantum efficiency to hang down and shortcomings such as solar energy utilization ratio is low; Restricted the practical application of photocatalysis technology, thereby the successful development and Design of new and effective photochemical catalyst is to utilize solar energy to curb environmental pollution and develop one of key technology of hydrogen energy source.
Summary of the invention
The object of the present invention is to provide photochemical catalyst basic carbonate lanthanum (LaCO
3OH) and its production and application, its preparation method is simple, does not need cost and complex equipment, synthesis condition gentleness, helps large-scale promotion.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
Photochemical catalyst of the present invention is basic carbonate lanthanum (LaCO
3OH), be applied to photocatalysis degradation organic contaminant and photocatalytic hydrogen production by water decomposition.
The preparation method of this photochemical catalyst is a hydrothermal synthesis method, and concrete steps are following:
The preparation of basic carbonate lanthanum: will be as the urea (CO (NH of carbon source
2)
2) or the mixture (NaOH/Na of NaOH and sodium carbonate
2CO
3) be dissolved in one or both the mixed solvent in deionized water, ethylene glycol or the ethanol and make the carbon source solution that concentration is 0.1 ~ 1 mol/L; Will be as the compound solid in lanthanum source: a kind of in lanthana, lanthanum nitrate or the lanthanum acetate be dissolved in one or both the mixed solvent in deionized water, ethylene glycol or the ethanol and makes the lanthanum source solution that concentration is 0.01 ~ 0.1 mol/L; In the solution of lanthanum source, drip carbon source solution while stirring, continue to stir 30 ~ 180 minutes, move in the autoclave 90 ~ 180 ℃ of isothermal reactions 12 ~ 24 hours, naturally cool to room temperature, deposition respectively water and the centrifugal several of washing with alcohol (to ion concentration<10ppm), 40 ~ 120 ℃ of dryings were ground in 6 ~ 24 hours, obtained the basic carbonate lanthanum powder of white, and particle diameter is 20 ~ 90 nm; Described carbon source is 1: 1～10: 1 with the ratio of the amount of substance in lanthanum source; Described stirring is a magnetic agitation, and mixing speed is 400 ~ 1000 radmin.
Remarkable advantage of the present invention is:
(1) the present invention is applied to photocatalysis field with the basic carbonate lanthanum first, is a kind of novel photolysis water hydrogen and the photochemical catalyst of degradable organic pollutant, can carry out light-catalyzed reaction effectively.
(2) preparation method of the present invention is simple, helps large-scale popularization.
Description of drawings
Fig. 1 is LaCO of the present invention
3The X-ray diffraction of OH (XRD) figure.
Fig. 2 is LaCO of the present invention
3OH is as the situation of catalyst photolysis water hydrogen.
Fig. 3 is LaCO of the present invention
3OH is as the situation of methyl orange in the catalyst photocatalytic degradation water.
The specific embodiment
Photochemical catalyst of the present invention is the basic carbonate lanthanum, is applied to photolysis water hydrogen and photocatalysis degradation organic contaminant.
The preparation method of this photochemical catalyst is a hydro-thermal method:
Concrete steps are following: will be dissolved in as the mixture of the alkali solid urea of carbon source or NaOH and sodium carbonate in one or both the mixed solvent in deionized water, ethylene glycol or the ethanol and make the carbon source solution that concentration is 0.1 ~ 1 mol/L; To be dissolved in one or both the mixed solvent in deionized water, ethylene glycol or the ethanol as a kind of in compound solid lanthana, lanthanum nitrate or the lanthanum acetate in lanthanum source and make the lanthanum source solution that concentration is 0.01 ~ 0.1 mol/L; In the solution of lanthanum source, drip carbon source solution while stirring; Continue to stir 30 ~ 180 minutes; Move in the autoclave 90 ~ 180 ℃ of isothermal reactions 12 ~ 24 hours, naturally cool to room temperature, deposition respectively water and the centrifugal several of washing with alcohol (to ion concentration 10ppm); 40 ~ 120 ℃ of dryings obtained the basic carbonate lanthanum powder of white in 6 ~ 24 hours, and particle diameter is 20 ~ 90 nm; Described carbon source is 1: 1～10: 1 with the ratio of the amount of substance in lanthanum source; Described stirring is a magnetic agitation, and mixing speed is 400 ~ 1000 rad/min.
Embodiment 1, LaCO
3The OH Preparation of catalysts
Take by weighing 0.006 mol CO (NH
2)
2Solid is dissolved in 40 mL water-pure mixed solvent (V
Water: V
Ethanol=make urea liquid in 35:5); Take by weighing 0.001 mol La (NO
3)
36H
2The O solid is dissolved in the 35 mL deionized waters and makes lanthanum nitrate hexahydrate; In lanthanum nitrate hexahydrate, drip the urea liquid for preparing while stirring, continue to stir 30 minutes, mixed liquor is moved in the autoclave; 90 ℃ of following constant temperature 24 hours; Naturally be cooled to room temperature, with gained precipitate centrifugal, washing, 40 ℃ of constant pressure and dries ground in 24 hours, white LaCO
3The OH powder.
Embodiment 2, LaCO
3The OH Preparation of catalysts
Take by weighing 0.006 mol CO (NH
2)
2Solid is dissolved in 55 mL water-pure mixed solvent (V
Water: V
Ethanol=make urea liquid in 35:20); Take by weighing 0.001 mol La (NO
3)
36H
2The O solid is dissolved in the 35 mL deionized waters and makes lanthanum nitrate hexahydrate; In lanthanum nitrate hexahydrate, drip the urea liquid for preparing while stirring, continue to stir 180 minutes, mixed liquor is moved in the autoclave; 180 ℃ of following constant temperature 12 hours; Naturally be cooled to room temperature, with gained precipitate centrifugal, washing, 120 ℃ of constant pressure and dries ground in 12 hours, white LaCO
3The OH powder.
Embodiment 3, LaCO
3The OH Preparation of catalysts
Take by weighing 0.006 mol CO (NH
2)
2Solid is dissolved in 45 mL water-pure mixed solvent (V
Water: V
Ethanol=make urea liquid in 35:10); Take by weighing 0.001 mol La (NO
3)
36H
2The O solid is dissolved in the 35 mL deionized waters and makes lanthanum nitrate hexahydrate; In lanthanum nitrate hexahydrate, drip the urea liquid for preparing while stirring, continue to stir 60 minutes, mixed liquor is moved in the autoclave; 120 ℃ of following constant temperature 24 hours; Naturally be cooled to room temperature, with gained precipitate centrifugal, washing, 60 ℃ of constant pressure and dries ground in 24 hours, white LaCO
3The OH powder.Fig. 1 has showed novel photocatalysis agent LaCO of the present invention
3The X-ray diffraction of OH (XRD) figure can find the LaCO for preparing from figure
3OH is pure phase, and that it is corresponding is the LaCO of iris phase
3OH (JCPDS:49-0981), the sample grain size is about 59.3 nm.
Embodiment 4, novel photocatalysis agent LaCO
3The OH photocatalytic hydrogen production by water decomposition
The reaction of photolysis water hydrogen is in the circulating system of a normal pressure sealing, to carry out; Reactor is that a volumes is the cylindrical jacketed reactor of 250 ml; Middle quartz socket tube is used to place ultraviolet source, keeps reaction temperature 20 through the outer condensed water of chuck during reaction
°About C.The LaCO that embodiment 1 is made
3The OH powder is used the photocatalyst hydrogen production by water decomposition, takes by weighing 100 mg samples in reactor, adds 165 mL H then
2O, and even through magnetic stirrer.Whole system vacuumizes with mechanical pump earlier before the reaction, charges into high-purity Ar then, repeats this process 3 times, eliminates the air in the system.After argon gas charges into and finishes, add the sacrifice agent methyl alcohol of 5ml, open agitator and gas circulator, turn on light behind adsorption equilibrium 30 min.Gas-phase product in the course of reaction is squeezed into six-way valve through gas circulator, by the on-line chromatograph check and analysis.The situation of photodissociation aquatic products hydrogen is as shown in Figure 2; Can find out on scheme has hydrogen to produce after turning on light, and along with the output of the prolongation hydrogen of light application time increases, when illumination 10 hours; Its hydrogen output is about 152 μ mol, and average hydrogen-producing speed is about 15.80 μ molh
-1, greater than Detitanium-ore-type TiO
2Photocatalysis efficiency under the same conditions, i.e. hydrogen output 45 μ mol, hydrogen-producing speed 4.79 μ molh
-1
Embodiment 5, novel photocatalysis agent LaCO
3Organic pollution in the OH photocatalytic degradation water
The reaction of the photocatalytic degradation of organic pollution is in homemade intermittent reaction device, to carry out in the water; Reactor is by outer equally distributed four the ultraviolet lamp tube (Philips of cylindric crystal reaction tube and pipe; 4W; 254 nm) form, keep the suspended state of photochemical catalyst in the solution through magnetic agitation.The LaCO that embodiment 1 is made
3The OH powder is used as the methyl orange (MO) in the photocatalyst for degrading water: at catalyst concn is 3.3 g/L; Methyl orange concentration is 10 ppm; (λ=254nm) irradiation pipettes 4.0 mL reactant liquors down to ultraviolet light at regular intervals, after centrifugation; Get supernatant liquor and carry out the uv-visible absorption spectra analysis, the light absorption value of characteristic absorption peak is confirmed its change in concentration in the degradation process per sample.The situation of photocatalytic degradation methyl orange is as shown in Figure 3, as can be seen from the figure, and LaCO under illumination
3The OH sample is to the degraded highly significant of MO, and the degradation rate of MO reaches 88% behind illumination 180 min, and contrast and experiment shows, when unglazed photograph and catalyst-free existed, the concentration of MO did not all have significant change.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (8)
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|---|---|
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933962A (en) * | 2014-04-10 | 2014-07-23 | 重庆工商大学 | Application of lanthanum compound as photo-catalyst and preparation method of lanthanum compound |
| CN104592994A (en) * | 2015-01-14 | 2015-05-06 | 惠州学院 | Preparation method of triangular dendritic europium-doped lanthanum hydroxycarbonate red fluorescent powder |
| CN105016372A (en) * | 2015-07-27 | 2015-11-04 | 陕西科技大学 | A preparation method of self-assembled wheat spike-shaped Sm2CO3(OH) nanomaterials |
| CN109999871A (en) * | 2019-04-15 | 2019-07-12 | 常州大学 | A kind of La2O2CO3The preparation method and applications of nanometer triangular plate Pt-supported catalyst |
| CN110075893A (en) * | 2019-04-24 | 2019-08-02 | 莆田学院 | A kind of photochemical catalyst and its preparation method and application |
| US10512900B2 (en) | 2018-03-05 | 2019-12-24 | King Fahd University Of Petroleum And Minerals | Method for making LaCO3OH nanoparticles from aqueous salt solutions |
| CN113019305A (en) * | 2021-03-03 | 2021-06-25 | 重庆三峡学院 | Preparation and application of porous lanthanum carbonate hydroxide phosphate adsorbent |
| CN113336254A (en) * | 2021-05-12 | 2021-09-03 | 中国北方稀土（集团）高科技股份有限公司 | Method for preparing hexagonal system lanthanum hydroxycarbonate by hydrothermal synthesis |
| CN114314634A (en) * | 2022-01-05 | 2022-04-12 | 合肥学院 | A kind of basic lanthanum carbonate microsphere with three-dimensional structure and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279757A (en) * | 2008-05-22 | 2008-10-08 | 同济大学 | A kind of double hydrolysis regulation prepares the method for basic lanthanum carbonate nano/micro crystal |
-
2012
- 2012-06-06 CN CN2012101838182A patent/CN102671685B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279757A (en) * | 2008-05-22 | 2008-10-08 | 同济大学 | A kind of double hydrolysis regulation prepares the method for basic lanthanum carbonate nano/micro crystal |
Non-Patent Citations (2)
| Title |
|---|
| JING WANG ET AL: "A facile and green synthesis route to C@LaCO3OH core-shell microspheres using colloidal carbonaceous spheres as template and its by-products as carbon source", 《SOLID STATE SCIENCES》 * |
| YOUJIN ZHANG ET AL: "Synthesis, Characterization, and Photoluminescence Property of LaCO3OH Microspheres", 《INORG. CHEM.》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933962B (en) * | 2014-04-10 | 2016-09-28 | 重庆工商大学 | The lanthanum compound application as photocatalyst and the preparation method of lanthanum compound |
| CN103933962A (en) * | 2014-04-10 | 2014-07-23 | 重庆工商大学 | Application of lanthanum compound as photo-catalyst and preparation method of lanthanum compound |
| CN104592994A (en) * | 2015-01-14 | 2015-05-06 | 惠州学院 | Preparation method of triangular dendritic europium-doped lanthanum hydroxycarbonate red fluorescent powder |
| CN104592994B (en) * | 2015-01-14 | 2018-01-02 | 惠州学院 | A kind of preparation method of the dendritic europium doping lanthanum hydroxycarbonate red fluorescence powder of triangle |
| CN105016372A (en) * | 2015-07-27 | 2015-11-04 | 陕西科技大学 | A preparation method of self-assembled wheat spike-shaped Sm2CO3(OH) nanomaterials |
| US10512900B2 (en) | 2018-03-05 | 2019-12-24 | King Fahd University Of Petroleum And Minerals | Method for making LaCO3OH nanoparticles from aqueous salt solutions |
| US10646856B2 (en) | 2018-03-05 | 2020-05-12 | King Fahd University Of Petroleum And Minerals | Method for forming lanthanum hydroxycarbonate nanoparticles |
| CN109999871B (en) * | 2019-04-15 | 2021-08-24 | 常州大学 | A kind of preparation method and application of La2O2CO3 nano-triangular plate-supported Pd catalyst |
| CN109999871A (en) * | 2019-04-15 | 2019-07-12 | 常州大学 | A kind of La2O2CO3The preparation method and applications of nanometer triangular plate Pt-supported catalyst |
| CN110075893A (en) * | 2019-04-24 | 2019-08-02 | 莆田学院 | A kind of photochemical catalyst and its preparation method and application |
| CN110075893B (en) * | 2019-04-24 | 2022-02-11 | 莆田学院 | A kind of photocatalyst and its preparation method and application |
| CN113019305A (en) * | 2021-03-03 | 2021-06-25 | 重庆三峡学院 | Preparation and application of porous lanthanum carbonate hydroxide phosphate adsorbent |
| CN113336254A (en) * | 2021-05-12 | 2021-09-03 | 中国北方稀土（集团）高科技股份有限公司 | Method for preparing hexagonal system lanthanum hydroxycarbonate by hydrothermal synthesis |
| CN114314634A (en) * | 2022-01-05 | 2022-04-12 | 合肥学院 | A kind of basic lanthanum carbonate microsphere with three-dimensional structure and preparation method thereof |
| CN114314634B (en) * | 2022-01-05 | 2023-11-10 | 合肥学院 | Basic lanthanum carbonate microsphere with three-dimensional structure and preparation method thereof |
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