CN1772624A - Prepn process of monodisperse nanometer metal oxide particle - Google Patents
Prepn process of monodisperse nanometer metal oxide particle Download PDFInfo
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- CN1772624A CN1772624A CN 200510109217 CN200510109217A CN1772624A CN 1772624 A CN1772624 A CN 1772624A CN 200510109217 CN200510109217 CN 200510109217 CN 200510109217 A CN200510109217 A CN 200510109217A CN 1772624 A CN1772624 A CN 1772624A
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- 239000002245 particle Substances 0.000 title claims abstract description 26
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 18
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 16
- 239000012046 mixed solvent Substances 0.000 claims abstract description 25
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 13
- 239000002798 polar solvent Substances 0.000 claims abstract description 11
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 11
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 11
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 11
- 239000005642 Oleic acid Substances 0.000 claims description 11
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 11
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 11
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 150000002632 lipids Chemical class 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 13
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 2
- 229930195729 fatty acid Natural products 0.000 abstract 2
- 239000000194 fatty acid Substances 0.000 abstract 2
- 150000004665 fatty acids Chemical class 0.000 abstract 2
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 239000002105 nanoparticle Substances 0.000 description 21
- 238000005303 weighing Methods 0.000 description 18
- 238000000634 powder X-ray diffraction Methods 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000005119 centrifugation Methods 0.000 description 10
- 238000001035 drying Methods 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 9
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 6
- 239000004408 titanium dioxide Substances 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 229960004643 cupric oxide Drugs 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 4
- -1 cerium ion Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000011150 stannous chloride Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- POOSGDOYLQNASK-UHFFFAOYSA-N tetracosane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC POOSGDOYLQNASK-UHFFFAOYSA-N 0.000 description 2
- 229910001432 tin ion Inorganic materials 0.000 description 2
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 2
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 1
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 description 1
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
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Abstract
The present invention discloses preparation process of monodisperse nanometer metal oxide particle. Metal ion solution is reacted in the mixed system comprising alkali metal hydroxide, fatty acid and organic polar solvent to obtain the monodisperse nanometer metal oxide particle. The present invention prepares monodisperse nanometer metal oxide particle inside the mixed solvent system comprising fatty acid and polar solvent and with soluble metal salt and alkali metal hydroxide as main material. The preparation process of the present invention is simple, safe, low in cost and suitable for preparing several kinds of nanometer noble metal oxide particle, and has less environmental pollution, and the prepared nanometer ferromagnetic oxide particle may be applied in biology, medicine, catalysis, analysis and other fields.
Description
Technical field
The present invention relates to preparation of nanomaterials, particularly relate to a kind of method for preparing monodisperse nano metal oxide particle.
Background technology
The metal oxide monodisperse nanoparticle has in fields such as catalysis, medicine, analysis and biologies widely to be used.But, still lack a kind of method that can synthesize multiple oxide compound monodisperse nanoparticle simultaneously at present because the physicochemical property of different compounds have very big difference.As TiO
2The synthetic industrial extensive employing gas phase hydrogen flame method at present of nanoparticle; People such as Weller 2003 in " American Chemical Society can will ", have reported with oleic acid be medium synthesis of titanium dioxide nanoparticle and nanometer rod method (J.Am.Chem.Soc.2003,125,14539-14548.); People such as PengXG on U.S.'s " materials chemistry " magazine, reported in 2004 with octadecene or tetracosane be solvent prepared the magnetic oxide nanoparticle (Chem.Mater., 2004,16,3931-3935); The method of people such as Niederberger M C-C bond rupture synthesis oxide nanoparticle between having reported by control organic solvent and metal precursor on " American Chemical Society's meeting will " in 2005 (J.Am.Chem.Soc., 2005,127,5608-5612.).
In sum, the synthetic method of the domestic and international oxide nano-particles of reporting generally is only limited to the synthetic of single kind nanoparticle at present, and generally used a large amount of organic solvents to be liquid-phase system, still do not had based on the water liquid-phase system, applicable to the report of multiple oxide compound monodisperse nanoparticle synthetic method.
Summary of the invention
The purpose of this invention is to provide a kind of method for preparing monodisperse nano metal oxide particle.
The method for preparing monodisperse nano metal oxide particle provided by the present invention is that metal ion solution is reacted in the mixed system of alkali metal hydroxide, lipid acid and organic polar solvent, obtains described monodisperse nano metal oxide particle.
The step of above-mentioned reaction is: earlier solid alkali metal oxyhydroxide is joined in the mixed solvent of lipid acid and organic polar solvent, add metal ion solution after the mixing again 20-300 ℃ of reaction down, obtain described monodisperse nano metal oxide particle.
In the reaction, the volume ratio of lipid acid and organic polar solvent is 1: 0.5-10; The concentration of metal ion solution is 0.01-0.5mol/L, and the volume ratio of metal ion solution and mixed solvent is 1: 0.5-5; The mol ratio of alkali metal hydroxide and metal ion is 1-10: 1.
Wherein, metal ion commonly used is titanium, tin, zirconium, copper or cerium ion etc., can pass through its soluble salt, and waiting as nitrate, acetate, vitriol, muriate provides; Lipid acid can be selected oleic acid, stearic acid or capric acid etc. for use; Organic polar solvent is ethanol, acetone, ethylene glycol or glycerol etc.
The present invention constitutes mixed solvent system with lipid acid and polar solvent, is raw material with soluble metallic salt and alkali metal hydroxide, prepares monodisperse nano metal oxide particle.The inventive method is easy, safety, cost is low, suitability is wide, be applicable to the synthetic of multiple metal oxide containing precious metals nanoparticle simultaneously, overcome and adopted cost and the problem of environmental pollution that a large amount of organic solvent brought in the existing synthetic route, the metal oxide nanoparticles that is obtained can be applied to fields such as biology, medicine, catalysis and analysis.
Description of drawings
Fig. 1 is the prepared titanium dioxide X-ray powder diffraction figure of embodiment 1.
Fig. 2 is that embodiment 1 prepared titanium dioxide TEM Electronic Speculum detects figure.
Fig. 3 is the prepared tindioxide X-ray powder diffraction figure of embodiment 3.
Fig. 4 is that embodiment 3 prepared tindioxide TEM Electronic Speculum detect figure.
Fig. 5 is the prepared zirconium dioxide X-ray powder diffraction figure of embodiment 5.
Fig. 6 is that embodiment 5 prepared zirconium dioxide TEM Electronic Speculum detect figure.
Fig. 7 is the prepared cupric oxide X-ray powder diffraction figure of embodiment 7.
Fig. 8 is that embodiment 7 prepared cupric oxide TEM Electronic Speculum detect figure.
Fig. 9 is the prepared cerium oxide X-ray powder diffraction figure of embodiment 9.
Figure 10 is that embodiment 9 prepared cerium oxide TEM Electronic Speculum detect figure.
Embodiment
Embodiment 1,
Taking by weighing 1.0gNaOH adds in 10ml oleic acid, the 8ml ethanol mixed solvent, fully behind the about 30mins of reaction, measuring 2mL analytical pure titanium tetrachloride again adds in the 20mL water, and with in the titanium ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 140 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as titanium dioxide through X-ray powder diffraction as shown in Figure 1; (TEM) carries out morphology analysis to titanium dioxide with transmission electron microscope, and as can be seen from Figure 2 its pattern is the dispersed nano particle, and particle diameter is between 4-5nm.
Embodiment 2,
Taking by weighing 0.5gKOH adding 20ml is dissolved with in the stearic ethylene glycol solvent of 5g, fully behind the about 30mins of reaction, measure 1mL analytical pure titanium tetrachloride again in 18mL water, and with in the silver ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 200 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as titanium dioxide through X-ray powder diffraction; (TEM) carries out morphology analysis to it with transmission electron microscope, and observing its pattern is the dispersed nano particle, and particle diameter is between 10-20nm.
Embodiment 3,
Taking by weighing 0.8gNaOH adds in 5ml oleic acid, the 20ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 0.4g analytical pure tin tetrachloride again is dissolved in the 10mL water, and with in the tin ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 90 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as tindichloride through X-ray powder diffraction as shown in Figure 3; (TEM) carries out morphology analysis to it with transmission electron microscope, and as can be seen from Figure 4 its pattern is the dispersed nano particle, and particle diameter is between 5-6nm.
Embodiment 4,
Take by weighing 2gKOH and add in the mixed solvent of 10ml oleic acid, 20ml acetone, fully behind the about 30mins of reaction, take by weighing 0.6g analytical pure tin protochloride again and be dissolved in 10mL 6molL
-1In the HCl solution, and with in the tin ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 240 ℃ of reaction 24h, gained precipitates after centrifugation, washing, drying, obtains white powder.Product is accredited as tindioxide through X-ray powder diffraction; (TEM) carries out morphology analysis to it with transmission electron microscope, and observing its pattern is the dispersed nano particle, and particle diameter is between 20-30nm.
Embodiment 5,
Taking by weighing 1gNaOH adds in 6ml oleic acid, the 18ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 0.6g analytical pure zirconium chloride again is dissolved in the 20mL water, and with in the zirconium ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 70 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as zirconium dioxide through X-ray powder diffraction as shown in Figure 5; (TEM) carries out morphology analysis to it with transmission electron microscope, and as can be seen from Figure 6 its pattern is the dispersed nano particle, and particle diameter is between 2-3nm.
Embodiment 6,
Taking by weighing 3gKOH adds in 5ml capric acid, the 20ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 1.0g analytical pure zirconium chloride again is dissolved in the 10ml water, and with in the zirconium ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 120 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as zirconium dioxide through X-ray powder diffraction; (TEM) carries out morphology analysis to it with transmission electron microscope, and observing its pattern is the dispersed nano particle, and particle diameter is between 20-30nm.
Embodiment 7:
Taking by weighing 0.5gNaOH adds in 8ml oleic acid, the 15ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 0.8g analytical pure sulfuric acid copper again is dissolved in the 10mL water, and with in the copper ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 220 ℃ of reaction 24h, the gained precipitation obtains black powder after centrifugation, washing, drying.Product is accredited as cupric oxide through X-ray powder diffraction as shown in Figure 7; (TEM) carries out morphology analysis to it with transmission electron microscope, and as can be seen from Figure 8 its pattern is the dispersed nano particle, and particle diameter is between 2-4nm.
Embodiment 8:
Taking by weighing 0.5gNaOH adds in 8ml oleic acid, the 15ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 1g analytical pure neutralized verdigris again is dissolved in the 10mL water, and with in the copper ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 110 ℃ of reaction 24h, the gained precipitation obtains black powder after centrifugation, washing, drying.Product is accredited as cupric oxide through X-ray powder diffraction; (TEM) carries out morphology analysis to it with transmission electron microscope, and observing its pattern is the dispersed nano particle, and particle diameter is between 20-40nm.
Embodiment 9:
Taking by weighing 1gNaOH adds in 10ml oleic acid, the 10ml ethanol mixed solvent, fully behind the about 30mins of reaction, taking by weighing 0.5g analytical pure cerous nitrate again is dissolved in the 12mL aqueous solution, and with in the cerium ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 170 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as cerium oxide through X-ray powder diffraction as shown in Figure 9; (TEM) carries out morphology analysis to it with transmission electron microscope, and as can be seen from Figure 10 its pattern is the dispersed nano particle, and particle diameter is between 3-4nm.
Embodiment 10:
Taking by weighing 0.4gKOH adds in the mixed solvent of 6ml oleic acid, 20ml glycerol, fully behind the about 30mins of reaction, taking by weighing 0.5g analytical pure cerous nitrate again is dissolved in the 12mL aqueous solution, and with in the cerium ion solution adding mixed solvent that is made into, stir, place the withstand voltage reactor of stainless steel of 40ml, behind 180 ℃ of reaction 24h, the gained precipitation obtains white powder after centrifugation, washing, drying.Product is accredited as cerium oxide through X-ray powder diffraction; (TEM) carries out morphology analysis to it with transmission electron microscope, and observing its pattern is the dispersed nano particle, and particle diameter is between 50-60nm.
Claims (6)
1, a kind of method for preparing monodisperse nano metal oxide particle is that metal ion solution is reacted in the mixed system of alkali metal hydroxide, lipid acid and organic polar solvent, obtains described monodisperse nano metal oxide particle.
2, method according to claim 1, it is characterized in that: the step of described reaction is: earlier solid alkali metal oxyhydroxide is joined in the mixed solvent of lipid acid and organic polar solvent, add metal ion solution after the mixing again 20-300 ℃ of reaction down, obtain described monodisperse nano metal oxide particle.
3, method according to claim 1 is characterized in that: the volume ratio of described lipid acid and organic polar solvent is 1: 0.5-10; The concentration of described metal ion solution is 0.01-0.5mol/L, and the volume ratio of metal ion solution and mixed solvent is 1: 0.5-5; The mol ratio of described alkali metal hydroxide and described metal ion is 1-10: 1.
4, according to claim 1 or 2 or 3 described methods, it is characterized in that: described metal ion is titanium, tin, zirconium, copper or cerium ion.
5, according to claim 1 or 2 or 3 described methods, it is characterized in that: described lipid acid is oleic acid, stearic acid or capric acid.
6, according to claim 1 or 2 or 3 described methods, it is characterized in that: described organic polar solvent is ethanol, acetone, ethylene glycol or glycerol.
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| CN101306800B (en) * | 2008-07-04 | 2010-04-07 | 中国科学院化学研究所 | Method for preparing metallic oxide nano granules |
| CN101274771B (en) * | 2007-03-30 | 2010-09-29 | 清华大学 | Preparation for metallic oxide nanocrystal |
| CN101161380B (en) * | 2006-10-10 | 2012-01-04 | 三星电机株式会社 | Method for manufacturing copper nanoparticles and copper nanoparticles manufactured using the same |
| CN103774235A (en) * | 2014-02-11 | 2014-05-07 | 常州大学 | Method for preparing monodispersed metal, alloy and metallic oxide monocrystal nano particles |
| CN105274505A (en) * | 2014-06-17 | 2016-01-27 | 中国科学院大连化学物理研究所 | Method for preparing nano-composite by controllable deposition of silver atoms on surface of nano-oxide |
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| JP4105971B2 (en) * | 2003-03-27 | 2008-06-25 | 株式会社資生堂 | Porous titanium oxide powder and method for producing the same |
| CN1291921C (en) * | 2004-02-16 | 2006-12-27 | 北京化工大学 | Tin dioxide powder-and its preparation method |
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2005
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161380B (en) * | 2006-10-10 | 2012-01-04 | 三星电机株式会社 | Method for manufacturing copper nanoparticles and copper nanoparticles manufactured using the same |
| CN101274771B (en) * | 2007-03-30 | 2010-09-29 | 清华大学 | Preparation for metallic oxide nanocrystal |
| CN101306800B (en) * | 2008-07-04 | 2010-04-07 | 中国科学院化学研究所 | Method for preparing metallic oxide nano granules |
| CN103774235A (en) * | 2014-02-11 | 2014-05-07 | 常州大学 | Method for preparing monodispersed metal, alloy and metallic oxide monocrystal nano particles |
| CN103774235B (en) * | 2014-02-11 | 2016-05-04 | 常州大学 | The preparation method of a kind of single dispersion metal, alloy, oxide monocrystal nano particle |
| CN105274505A (en) * | 2014-06-17 | 2016-01-27 | 中国科学院大连化学物理研究所 | Method for preparing nano-composite by controllable deposition of silver atoms on surface of nano-oxide |
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