CN101767997A - Method for preparing NiTiO3 nano-powder by sol-gel - Google Patents
Method for preparing NiTiO3 nano-powder by sol-gel Download PDFInfo
- Publication number
- CN101767997A CN101767997A CN200910218870A CN200910218870A CN101767997A CN 101767997 A CN101767997 A CN 101767997A CN 200910218870 A CN200910218870 A CN 200910218870A CN 200910218870 A CN200910218870 A CN 200910218870A CN 101767997 A CN101767997 A CN 101767997A
- Authority
- CN
- China
- Prior art keywords
- gel
- sol
- nitio
- powder
- solution
- 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
Links
- 239000011858 nanopowder Substances 0.000 title claims description 24
- 238000000034 method Methods 0.000 title description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 39
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001354 calcination Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 7
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 18
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 17
- 239000012535 impurity Substances 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 9
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 239000010936 titanium Substances 0.000 description 6
- -1 nickelous nitrates Chemical class 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical group O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
一种NiTiO3纳米粉体的溶胶-凝胶制备方法，将六水硝酸镍加入乙醇中所得溶液记为A；向A溶液中加入钛酸四丁酯、柠檬酸、水和乙酰丙酮所得溶胶记为B；将溶胶B放入干燥箱中，干燥使其形成凝胶，将干燥好的凝胶用玛瑙研钵研细后待用；将研细的干凝胶放入马弗炉中煅烧后随炉冷却至室温，即得到最终产物-不含任何杂质的NiTiO3纳米粉体。本发明制得的NiTiO3纳米粉体晶粒尺寸较小，分散良好，粒子分布均匀，团聚现象较少，并且不含任何杂质；制备NiTiO3纳米粉体反应周期短，重复性好，制备简单，操作方便，原料易得，制备成本较低。A kind of sol-gel preparation method of NiTiO 3 nanometer powder, adding nickel nitrate hexahydrate in the gained solution in ethanol is denoted as A; Adding tetrabutyl titanate, citric acid, water and acetylacetone gained sol denoted in A solution B; put sol B in a drying oven, dry it to form a gel, and grind the dried gel with an agate mortar for use; put the finely ground xerogel in a muffle furnace for calcination After cooling down to room temperature with the furnace, the final product-NiTiO 3 nanometer powder without any impurities is obtained. The NiTiO3 nanometer powder prepared by the present invention has small grain size, good dispersion, uniform particle distribution, less agglomeration phenomenon, and does not contain any impurities; the preparation of NiTiO3 nanometer powder has a short reaction period, good repeatability and simple preparation , easy to operate, easy to obtain raw materials, and low preparation cost.
Description
Technical field
The present invention relates to a kind of NiTiO
3The preparation method of nano-powder is specifically related to a kind of NiTiO
3The process for preparing sol-gel of nano-powder.
Background technology
The titanium-containing oxide MTiO that contains different metal
3(M=Ni, Pb, Fe, Co, Cu and Zn) is widely used in the inorganic functional material of solid oxide fuel cell electrode (SOFC), metal one air impermeable material, gas sensor.NiTiO
3The trigonal system that belongs to ilmenite structure, because its semi-conductivity and weak magnetic, be important chemical material and electric material, be used for many industrial circles, as semiconductor rectifier, supercarbonate catalyzer and surface coated dyeing mixture, also can be used as the coating material that reduces friction and loss under the hot conditions.NiTiO
3Have high Q value, low-k and good sound-optical and electrical-optical character, have wide application prospect, cause that people greatly pay close attention to.Nanometer NiTiO
3Particulate has the characteristics such as quantum size effect, surface effects, macro quanta tunnel effect of nano material because size is little, and specific surface area is big, compares with traditional material to have more particular performances.
At present about preparation NiTiO
3The report of nano-powder is not a lot, NiTiO
3The preparation of nano-powder remains the comparatively novel problem of material circle.Traditional preparation NiTiO
3The preparation method of nano-powder has solid sintering technology (F.Tietz, F.J.Dias, B.Dubiel, et al.Materials Science and Engineering.1999,68:35-41), gel of stearic acid method (M.S.Sadjadi, K.Zare, S.Khanahmadzadeh.Materials Letters, 2008,62:3679-3681) etc., these methods all are just to make crystallization NiTiO completely under comparatively high temps
3Powder, and under relatively low temperature, make NiTiO
3The report of powder is less.Peng Zifei, and Wang Guozhong etc. (Peng Zifei, Wang Guozhong, Zhang Lide. synthetic chemistry, 1996, (2): 99-101) and Zhou Lan, (Zhou Lan, Liu Xiaojun such as Liu Xiaojun, Zhang Shuyi, etc. Nanjing University's journal, 1997,33 (1): 32-36) adopt chemical precipitation method all to prepare nanometer NiTiO
3Powder, but the powder purity of this method preparation is not high, contains impurity.In addition, (K..L pes a, L.S.Cavalcante a, A.Z.Simoes, et al.2009, (468): the 327-332) NiTiO that adopts sol-gel method to prepare such as K.P.Lopes
3Nano-powder also has the NiO powder after calcining.Up to now, yet there are no preparation high-purity N iTiO free from foreign meter under relatively low temperature
3The report of nano-powder.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, provide a kind of not only preparation cost low, and NiTiO simple to operate, that reaction time is short
3The process for preparing sol-gel of nano-powder, method of the present invention can be prepared NiTiO free from foreign meter under relatively low temperature
3Nano-powder.
For achieving the above object, the technical solution used in the present invention is:
Step 1: analytically pure six water nickelous nitrates are added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.3mol/L～0.6mol/L, and gained solution is designated as A;
Step 2: in A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 0.7～2: 1, adding at last is respectively 5: 1～10: 1 water and 7: 1～15: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B;
Step 3: above-mentioned sol B is put into loft drier,, make it form gel at 80 ℃～120 ℃ dry 8h～12h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good;
Step 4: the xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 0.5h～3h, cools to room temperature with the furnace, promptly obtains final product-the do not contain NiTiO of any impurity
3Nano-powder.
The NiTiO that the present invention makes
3The nano-powder grain-size is less, good dispersion, and particle distribution is even, and agglomeration is less, and does not contain any impurity; Preparation NiTiO
3Nano-powder is short reaction time, good reproducibility, and preparation is simple, and easy to operate, raw material is easy to get, and preparation cost is lower.
Description of drawings
Fig. 1 is the NiTiO of the present invention's preparation
3The X-ray diffraction of nano-powder (XRD) collection of illustrative plates;
Fig. 2 is the NiTiO of the present invention's preparation
3The scanning electron microscope of nano-powder (SEM) photo.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1: analytically pure six water nickelous nitrates are added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.3mol/L, and gained solution is designated as A; In A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 0.7: 1, adding at last is respectively 5: 1 water and 7: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B; Above-mentioned sol B is put into loft drier,, make it form gel at 80 ℃ of dry 12h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good; The xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 0.5h, cools to room temperature with the furnace, promptly obtains final product-the do not contain NiTiO of any impurity
3Nano-powder.
NiTiO with gained
3Nano-powder finds that with Japanese D/max2000PC x-ray diffractometer analytic sample of science product is the NiTiO that JCPDS is numbered 33-0960
3(Fig. 1).This sample is observed with the JSM-6390A type scanning electronic microscope (Fig. 2) that Japanese JEOL company produces, from the prepared as can be seen NiTiO of photo
3Nano-powder is a spherical particle.
Embodiment 2: analytically pure six water nickelous nitrates are added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.5mol/L, and gained solution is designated as A; In A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 1.2: 1, adding at last is respectively 10: 1 water and 15: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B; Above-mentioned sol B is put into loft drier,, make it form gel at 100 ℃ of dry 10h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good; The xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 1h, cools to room temperature with the furnace, promptly obtains final product-the do not contain NiTiO of any impurity
3Nano-powder.
Embodiment 3: analytically pure six water nickelous nitrates are added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.4mol/L, and gained solution is designated as A; In A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 1.6: 1, adding at last is respectively 6: 1 water and 7: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B; Above-mentioned sol B is put into loft drier,, make it form gel at 120 ℃ of dry 8h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good; The xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 2h, cools to room temperature with the furnace, promptly obtains final product-the do not contain NiTiO of any impurity
3Nano-powder.
Embodiment 4: analytically pure six water nickelous nitrates are added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.6mol/L, and gained solution is designated as A; In A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 2: 1, adding at last is respectively 7: 1 water and 10: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B; Above-mentioned sol B is put into loft drier,, make it form gel at 90 ℃ of dry 11h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good; The xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 3h, cools to room temperature with the furnace, promptly obtains final product-the do not contain NiTiO of any impurity
3Nano-powder.
Claims (1)
1. NiTiO
3The process for preparing sol-gel of nano-powder is characterized in that:
Step 1: analytically pure Nickelous nitrate hexahydrate is added in the dehydrated alcohol, and constantly stir, be mixed with Ni
2+Concentration is the clear solution of 0.3mol/L～0.6mol/L, and gained solution is designated as A;
Step 2: in A solution, add analytically pure tetrabutyl titanate, make Ni
2+With Ti
4+Mol ratio be 1: 1, and constantly stir, and then in solution, add citric acid, making citric acid and all cationic mol ratios is 0.7～2: 1, adding at last is respectively 5: 1～10: 1 water and 7: 1～15: 1 methyl ethyl diketone with the dehydrated alcohol volume ratio, leaves standstill formation colloidal sol after stirring and is designated as B;
Step 3: above-mentioned sol B is put into loft drier,, make it form gel at 80 ℃～120 ℃ dry 8h～12h, stand-by behind the gel usefulness agate mortar porphyrize that drying is good;
Step 4: the xerogel of porphyrize is put into retort furnace calcine, temperature is controlled at 700 ℃, and calcination time is 0.5h～3h, cools to room temperature with the furnace, promptly obtains final product-NiTiO free from foreign meter
3Nano-powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102188705A CN101767997B (en) | 2009-10-30 | 2009-10-30 | A kind of sol-gel preparation method of NiTiO3 nanopowder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102188705A CN101767997B (en) | 2009-10-30 | 2009-10-30 | A kind of sol-gel preparation method of NiTiO3 nanopowder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767997A true CN101767997A (en) | 2010-07-07 |
| CN101767997B CN101767997B (en) | 2011-08-10 |
Family
ID=42501123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102188705A Expired - Fee Related CN101767997B (en) | 2009-10-30 | 2009-10-30 | A kind of sol-gel preparation method of NiTiO3 nanopowder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101767997B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880067A (en) * | 2010-07-15 | 2010-11-10 | 陕西科技大学 | A kind of preparation method of rod-shaped NiTiO3 nanocrystal |
| CN103474670A (en) * | 2012-06-08 | 2013-12-25 | 中国科学技术大学 | High efficiency and low cost carbon deposition resistance anode and preparation method thereof |
| CN104342716A (en) * | 2014-09-05 | 2015-02-11 | 合肥工业大学 | High-temperature solid oxide electrolysis cell cathode material and preparation method thereof |
| CN105905940A (en) * | 2016-04-12 | 2016-08-31 | 渤海大学 | A kind of preparation method of nickel titanate/titanium dioxide composite nanomaterial |
| CN106299344A (en) * | 2016-11-04 | 2017-01-04 | 中南大学 | A kind of sodium-ion battery nickel titanate negative material and preparation method thereof |
| CN106450255A (en) * | 2016-11-05 | 2017-02-22 | 中南大学 | A NiTiO3/C negative electrode material, preparation and application of a sodium ion battery |
-
2009
- 2009-10-30 CN CN2009102188705A patent/CN101767997B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880067A (en) * | 2010-07-15 | 2010-11-10 | 陕西科技大学 | A kind of preparation method of rod-shaped NiTiO3 nanocrystal |
| CN101880067B (en) * | 2010-07-15 | 2011-12-28 | 陕西科技大学 | A kind of preparation method of rod-shaped NiTiO3 nanocrystal |
| CN103474670A (en) * | 2012-06-08 | 2013-12-25 | 中国科学技术大学 | High efficiency and low cost carbon deposition resistance anode and preparation method thereof |
| CN103474670B (en) * | 2012-06-08 | 2015-11-18 | 中国科学技术大学 | Anti-carbon anode of a kind of efficient, low cost and preparation method thereof |
| CN104342716A (en) * | 2014-09-05 | 2015-02-11 | 合肥工业大学 | High-temperature solid oxide electrolysis cell cathode material and preparation method thereof |
| CN104342716B (en) * | 2014-09-05 | 2016-06-29 | 合肥工业大学 | A kind of high-temperature solid oxide cathode of electrolytic tank material and preparation method thereof |
| CN105905940A (en) * | 2016-04-12 | 2016-08-31 | 渤海大学 | A kind of preparation method of nickel titanate/titanium dioxide composite nanomaterial |
| CN105905940B (en) * | 2016-04-12 | 2017-03-29 | 渤海大学 | A kind of preparation method of nickel titanate/titanium dioxide composite nanomaterial |
| CN106299344A (en) * | 2016-11-04 | 2017-01-04 | 中南大学 | A kind of sodium-ion battery nickel titanate negative material and preparation method thereof |
| CN106450255A (en) * | 2016-11-05 | 2017-02-22 | 中南大学 | A NiTiO3/C negative electrode material, preparation and application of a sodium ion battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101767997B (en) | 2011-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Chemical co-precipitation synthesis and properties of pure-phase BiFeO3 | |
| CN101890354B (en) | Method for preparing bismuth ferrite photocatalyst | |
| Chen et al. | Synthesis and characterization of pyrochlore-type yttrium titanate nanoparticles by modified sol–gel method | |
| CN104108749B (en) | A kind of preparation method of strontium titanate doping | |
| CN101767997A (en) | Method for preparing NiTiO3 nano-powder by sol-gel | |
| CN103553140B (en) | Method for preparing lanthanum ferrite nanodisk | |
| CN103474645A (en) | Preparation method for lithium titanate | |
| CN101774652B (en) | A kind of microwave hydrothermal preparation method of NiTiO3 nanometer powder | |
| CN104973615A (en) | Microwave burning preparation method of nano gadolinium oxide powder | |
| CN102718258A (en) | A kind of preparation method of Gd2Zr2O7 nanopowder | |
| CN105293567A (en) | Flaky porous nanometer zinc oxide and preparation method thereof | |
| CN104310466A (en) | Hollow titanium dioxide microsphere based on gel sphere precursor and preparation method of hollow titanium dioxide microsphere | |
| Wang et al. | Enhancing infrared emissivity of GdCoO3 with Ca doping: Potential for advanced thermal control materials | |
| Xiong et al. | The far-infrared emissivity and near-infrared reflectance of Mg1-xMnxFe2O4 synthesized by xerogel-microwave method | |
| CN107445202B (en) | A kind of preparation method of small-sized, super-dispersed nano-zirconia-based coating powder | |
| CN104556217B (en) | A method for preparing divalent metal titanate microspheres | |
| Shrivastava et al. | Preparation and characterization of the lithium metatitanate ceramics by solution-combustion method for Indian LLCB TBM | |
| CN102491749A (en) | Method for preparing SrZr03:Ce nanometer powder with composite coprecipitator | |
| CN109052493A (en) | The method of molten-salt growth method synthesis metatitanic acid nano nickel particles | |
| CN100339307C (en) | Method of synthetizing superfine powder of aluminum titanate | |
| CN107138149B (en) | Preparation method of spherical nano-ZnO/ZnCr2O4 composite photocatalyst with high efficient hydrogen production | |
| CN104891559B (en) | Method, product and application of Li-doped PbTiO3 nanoparticles synthesized by using titanium dioxide as titanium source | |
| CN101182035A (en) | A kind of method for synthesizing titanium dioxide nanopowder at low temperature | |
| CN102502785A (en) | Preparation method of basic zinc carbonate nano powder with hexagonal and laminary structure | |
| CN113121227B (en) | Gadolinium-nickel co-doped magnesium-based lanthanum hexaaluminate ceramic and preparation method thereof |
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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131030 |