JP2019108613A - 金属ナノ粒子 - Google Patents
金属ナノ粒子 Download PDFInfo
- Publication number
- JP2019108613A JP2019108613A JP2019014892A JP2019014892A JP2019108613A JP 2019108613 A JP2019108613 A JP 2019108613A JP 2019014892 A JP2019014892 A JP 2019014892A JP 2019014892 A JP2019014892 A JP 2019014892A JP 2019108613 A JP2019108613 A JP 2019108613A
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- JP
- Japan
- Prior art keywords
- metal
- surfactant
- implementation
- metal nanoparticle
- metal nanoparticles
- 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
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- 239000002082 metal nanoparticle Substances 0.000 title claims abstract description 188
- 229910052751 metal Inorganic materials 0.000 claims abstract description 142
- 239000002184 metal Substances 0.000 claims abstract description 142
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 51
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 41
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 36
- -1 lanthanoid metals Chemical class 0.000 claims description 32
- 239000002105 nanoparticle Substances 0.000 claims description 19
- 239000011651 chromium Substances 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 239000010948 rhodium Substances 0.000 claims description 18
- 239000011669 selenium Substances 0.000 claims description 18
- 239000010936 titanium Substances 0.000 claims description 18
- 239000010931 gold Substances 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- 229910052697 platinum Inorganic materials 0.000 claims description 15
- 229910052763 palladium Inorganic materials 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 11
- 239000004332 silver Substances 0.000 claims description 11
- 229910052684 Cerium Inorganic materials 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 9
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 9
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052797 bismuth Inorganic materials 0.000 claims description 9
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 9
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 229910052741 iridium Inorganic materials 0.000 claims description 9
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 239000011733 molybdenum Substances 0.000 claims description 9
- 229910052762 osmium Inorganic materials 0.000 claims description 9
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 9
- 229910052702 rhenium Inorganic materials 0.000 claims description 9
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 9
- 229910052703 rhodium Inorganic materials 0.000 claims description 9
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 9
- 229910052707 ruthenium Inorganic materials 0.000 claims description 9
- 229910052711 selenium Inorganic materials 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910052768 actinide Inorganic materials 0.000 claims description 4
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 4
- 229910052752 metalloid Inorganic materials 0.000 claims description 4
- 150000002738 metalloids Chemical class 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 abstract description 130
- 229910021645 metal ion Inorganic materials 0.000 description 61
- 150000003839 salts Chemical class 0.000 description 60
- 239000000693 micelle Substances 0.000 description 45
- 150000002500 ions Chemical class 0.000 description 33
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000003638 chemical reducing agent Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000002904 solvent Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000002736 nonionic surfactant Substances 0.000 description 12
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000003945 anionic surfactant Substances 0.000 description 9
- 150000001450 anions Chemical class 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 239000003093 cationic surfactant Substances 0.000 description 9
- 150000001768 cations Chemical class 0.000 description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 8
- 238000003917 TEM image Methods 0.000 description 8
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 8
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 8
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 8
- 230000009467 reduction Effects 0.000 description 7
- 244000060011 Cocos nucifera Species 0.000 description 6
- 235000013162 Cocos nucifera Nutrition 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 5
- 235000019270 ammonium chloride Nutrition 0.000 description 5
- BTBJBAZGXNKLQC-UHFFFAOYSA-N ammonium lauryl sulfate Chemical compound [NH4+].CCCCCCCCCCCCOS([O-])(=O)=O BTBJBAZGXNKLQC-UHFFFAOYSA-N 0.000 description 5
- 229940063953 ammonium lauryl sulfate Drugs 0.000 description 5
- 229960003237 betaine Drugs 0.000 description 5
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 5
- 238000004627 transmission electron microscopy Methods 0.000 description 5
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
- IZWSFJTYBVKZNK-UHFFFAOYSA-N lauryl sulfobetaine Chemical compound CCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O IZWSFJTYBVKZNK-UHFFFAOYSA-N 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000001509 sodium citrate Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- AISMNBXOJRHCIA-UHFFFAOYSA-N trimethylazanium;bromide Chemical compound Br.CN(C)C AISMNBXOJRHCIA-UHFFFAOYSA-N 0.000 description 4
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 4
- 229940038773 trisodium citrate Drugs 0.000 description 4
- 239000002888 zwitterionic surfactant Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical class CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- YJHSJERLYWNLQL-UHFFFAOYSA-N 2-hydroxyethyl(dimethyl)azanium;chloride Chemical compound Cl.CN(C)CCO YJHSJERLYWNLQL-UHFFFAOYSA-N 0.000 description 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 229960000686 benzalkonium chloride Drugs 0.000 description 2
- FXJNQQZSGLEFSR-UHFFFAOYSA-M benzyl-dimethyl-tetradecylazanium;chloride;hydrate Chemical compound O.[Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 FXJNQQZSGLEFSR-UHFFFAOYSA-M 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
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- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
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- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 description 2
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- ZHALDANPYXAMJF-UHFFFAOYSA-N octadecanoate;tris(2-hydroxyethyl)azanium Chemical compound OCC[NH+](CCO)CCO.CCCCCCCCCCCCCCCCCC([O-])=O ZHALDANPYXAMJF-UHFFFAOYSA-N 0.000 description 2
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- VXBSKVAMQMBCCA-UHFFFAOYSA-M methyl sulfate;trimethyl(tetradecyl)azanium Chemical compound COS([O-])(=O)=O.CCCCCCCCCCCCCC[N+](C)(C)C VXBSKVAMQMBCCA-UHFFFAOYSA-M 0.000 description 1
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- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
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- RTVVXRKGQRRXFJ-UHFFFAOYSA-N sodium;2-sulfobutanedioic acid Chemical compound [Na].OC(=O)CC(C(O)=O)S(O)(=O)=O RTVVXRKGQRRXFJ-UHFFFAOYSA-N 0.000 description 1
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- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
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- WBWWGRHZICKQGZ-GIHLXUJPSA-N taurocholic acid Chemical compound C([C@@H]1C[C@H]2O)[C@@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@@H]([C@@H](CCC(=O)NCCS(O)(=O)=O)C)[C@@]2(C)[C@H](O)C1 WBWWGRHZICKQGZ-GIHLXUJPSA-N 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/0549—Hollow particles, including tubes and shells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
- B22F1/0655—Hollow particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
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Abstract
Description
本明細書は金属ナノ粒子に関する。
また、本明細書の一実現例は、前記金属ナノ粒子を含む触媒を提供する。
以下、本明細書についてより詳細に説明する。
本明細書の一実現例は、第1金属および第2金属を含み、外側表面から連続する1つ以上の空洞(cavity)を含む金属ナノ粒子を提供する。
本明細書の一実現例によれば、前記空洞(cavity)の直径は前記金属ナノ粒子の粒径の5%以上30%以下であってもよい。
本明細書の一実現例によれば、前記空洞のうちいずれか1つ以上は前記金属ナノ粒子を貫通するものであってもよい。
また、本明細書の一実現例によれば、前記空洞は前記金属ナノ粒子の内部の一領域にまで連続するものであってもよい。
なお、本明細書の一実現例によれば、前記空洞は円筒状であってもよい。または、前記空洞はボウル(bowl)状であってもよい。
本明細書の前記円筒状は必ずしも完全な円筒を意味するものではなく、大まかな形状が円筒状であることを意味する。
本明細書の前記ボウル状は、半球形状であってもよく、ヒョウタン形状であってもよい。
本明細書の一実現例によれば、前記中空金属ナノ粒子の平均粒径は1nm以上30nm以下であってもよい。
本明細書の一実現例によれば、前記中空金属ナノ粒子の平均粒径は1nm以上20nm以下であってもよい。
本明細書の一実現例によれば、前記中空金属ナノ粒子の平均粒径は1nm以上12nm以下であってもよい。
本明細書の一実現例によれば、前記中空金属ナノ粒子の平均粒径は1nm以上10nm以下であってもよい。
本明細書の一実現例によれば、前記中空金属ナノ粒子の平均粒径は1nm以上6nm以下であってもよい。
本明細書の一実現例によれば、前記金属ナノ粒子は前記第1金属および前記第2金属が均一に混合していてもよい。
本明細書の一実現例によれば、前記シェル部の第1金属と第2金属の原子百分率比は1:5〜10:1であってもよい。
本明細書の一実現例によれば、前記第2金属は前記第1金属と互いに異なってもよい。
本明細書の一実現例によれば、前記第1金属および前記第2金属は互いに異なり、前記第1金属または前記第2金属はニッケルであってもよい。
本明細書の一実現例によれば、前記第1金属および前記第2金属は互いに異なり、前記第1金属または前記第2金属は白金であってもよい。
本明細書の一実現例によれば、前記第1金属はニッケルであり、前記第2金属は白金であってもよい。
以下、前記金属ナノ粒子の製造方法について記述する。
本明細書の一実現例によれば、前記製造方法は、前記金属ナノ粒子の内部に中空コアが形成されるものであってもよい。
本明細書の一実現例によれば、前記製造方法は、前記第1界面活性剤によって形成されたミセルの内部領域が中空で形成されることを含むことができる。
本明細書の一実現例によれば、前記金属ナノ粒子が中空を含む場合、前記空洞は前記シェル部の外面から中空に達する空いた空間であってもよい。
本明細書の一実現例によれば、前記第1界面活性剤および前記第2界面活性剤はいずれもカチオン性界面活性剤であってもよい。
または、本明細書の一実現例によれば、前記第1界面活性剤および前記第2界面活性剤はいずれもアニオン性界面活性剤であってもよい。
図4は、本明細書の一実現例による、互いに異なる電荷を帯びる第1および第2界面活性剤がミセルを形成したものの一例を示すものである。
本明細書の一実現例によれば、前記金属ナノ粒子の大きさは前記で記述された要素が複合的に作用して決定されることができる。
本明細書の一実現例によれば、前記シェル部は、前記第1金属イオンを含む第1シェル、および前記第2金属イオンを含む第2シェルを含むことができる。
前記シェル部は、前記金属ナノ粒子が中空を含まない場合、前記金属ナノ粒子を形成する領域を意味することができる。
本明細書の一実現例によれば、前記溶液を形成するステップは、安定化剤をさらに添加するステップをさらに含むことができる。
本明細書の一実現例によれば、前記金属ナノ粒子を形成するステップは、前記還元剤と共に非イオン性界面活性剤をさらに添加することを含むことができる。
本明細書の一実現例によれば、前記還元剤の標準還元電位は−0.23V以下であってもよい。
本明細書の一実現例は、前記金属ナノ粒子を含む触媒を提供する。
[実施例1]
[実施例2]
前記実施例2により製造された本願明細書の金属ナノ粒子の透過電子顕微鏡(TEM)イメージを図3および図4に示す。
[実施例3]
前記実施例3により製造された本願明細書の金属ナノ粒子の透過電子顕微鏡(TEM)イメージを図5に示す。
Claims (18)
- 第1金属および第2金属を含み、
外側表面から連続する1つ以上の空洞(cavity)を含む金属ナノ粒子。 - 前記空洞のうちいずれか1つ以上は前記金属ナノ粒子を貫通する、請求項1に記載の金属ナノ粒子。
- 前記空洞は、前記金属ナノ粒子の外側表面から前記金属ナノ粒子の内部の一領域にまで連続する、請求項1または2に記載の金属ナノ粒子。
- 前記空洞は円筒状またはボウル(bowl)状である、請求項1から3のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子の粒径は1nm以上30nm以下である、請求項1から4のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子の粒径は1nm以上20nm以下である、請求項1から5のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子の粒径は1nm以上12nm以下である、請求項1から6のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子の粒径は1nm以上6nm以下である、請求項1から7のいずれか1項に記載の金属ナノ粒子。
- 前記空洞の直径は、前記金属ナノ粒子の粒径の5%以上30%以下である、請求項1から8のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子の粒径は、金属ナノ粒子の平均粒径の80%〜120%の範囲内である、請求項1から9のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子は球形状である、請求項1から10のいずれか1項に記載の金属ナノ粒子。
- 前記金属ナノ粒子は前記第1金属および前記第2金属の合金を含む、請求項1から11のいずれか1項に記載の金属ナノ粒子。
- 前記第1金属および前記第2金属の原子百分率比は1:5〜10:1である、請求項1から12のいずれか1項に記載の金属ナノ粒子。
- 前記第1金属および前記第2金属は、各々独立して、
周期律表上の3〜15族に属する金属、半金属(metalloid)、ランタノイド金属およびアクチノイド金属からなる群から選択される、請求項1から13のいずれか1項に記載の金属ナノ粒子。 - 前記第1金属および前記第2金属は、各々独立して、
白金(Pt)、ルテニウム(Ru)、ロジウム(Rh)、モリブデン(Mo)、オスミウム(Os)、イリジウム(Ir)、レニウム(Re)、パラジウム(Pd)、バナジウム(V)、タングステン(W)、コバルト(Co)、鉄(Fe)、セレニウム(Se)、ニッケル(Ni)、ビスマス(Bi)、スズ(Sn)、クロム(Cr)、チタニウム(Ti)、金(Au)、セリウム(Ce)、銀(Ag)、および銅(Cu)からなる群から選択される、請求項1から14のいずれか1項に記載の金属ナノ粒子。 - 前記第1金属および前記第2金属は互いに異なり、前記第1金属または前記第2金属はニッケルである、請求項1から15のいずれか1項に記載の金属ナノ粒子。
- 前記第1金属および前記第2金属は互いに異なり、前記第1金属または前記第2金属は白金である、請求項1から16のいずれか1項に記載の金属ナノ粒子。
- 前記第1金属はニッケルであり、前記第2金属は白金である、請求項1から17のいずれか1項に記載の金属ナノ粒子。
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JP2015501387A (ja) * | 2012-05-11 | 2015-01-15 | エルジー・ケム・リミテッド | 中空金属ナノ粒子 |
CN103055869B (zh) | 2012-11-29 | 2015-02-11 | 北京航空航天大学 | 一种多孔金属纳米颗粒催化剂及其制备方法 |
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