WO2014104806A1 - 담체에 담지된 중공 금속 나노입자의 제조방법 - Google Patents
담체에 담지된 중공 금속 나노입자의 제조방법 Download PDFInfo
- Publication number
- WO2014104806A1 WO2014104806A1 PCT/KR2013/012288 KR2013012288W WO2014104806A1 WO 2014104806 A1 WO2014104806 A1 WO 2014104806A1 KR 2013012288 W KR2013012288 W KR 2013012288W WO 2014104806 A1 WO2014104806 A1 WO 2014104806A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal nanoparticles
- carrier
- hollow metal
- surfactant
- nanoparticles supported
- Prior art date
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- 239000002082 metal nanoparticle Substances 0.000 title claims abstract description 203
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims description 204
- 239000002184 metal Substances 0.000 claims description 204
- 150000003839 salts Chemical class 0.000 claims description 100
- 239000004094 surface-active agent Substances 0.000 claims description 76
- -1 polyoxyethylene sulfate Polymers 0.000 claims description 53
- 239000000693 micelle Substances 0.000 claims description 43
- 239000002245 particle Substances 0.000 claims description 42
- 239000003638 chemical reducing agent Substances 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 239000002105 nanoparticle Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 13
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- AISMNBXOJRHCIA-UHFFFAOYSA-N trimethylazanium;bromide Chemical compound Br.CN(C)C AISMNBXOJRHCIA-UHFFFAOYSA-N 0.000 claims description 11
- 244000060011 Cocos nucifera Species 0.000 claims description 10
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- 239000003093 cationic surfactant Substances 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- BTBJBAZGXNKLQC-UHFFFAOYSA-N ammonium lauryl sulfate Chemical compound [NH4+].CCCCCCCCCCCCOS([O-])(=O)=O BTBJBAZGXNKLQC-UHFFFAOYSA-N 0.000 claims description 9
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 239000003945 anionic surfactant Substances 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 239000011669 selenium Substances 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010948 rhodium Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 229960000686 benzalkonium chloride Drugs 0.000 claims description 6
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 235000019270 ammonium chloride Nutrition 0.000 claims description 5
- 229940063953 ammonium lauryl sulfate Drugs 0.000 claims description 5
- 229920001451 polypropylene glycol Polymers 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 239000001509 sodium citrate Substances 0.000 claims description 5
- 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 claims description 5
- 235000019263 trisodium citrate Nutrition 0.000 claims description 5
- 229940038773 trisodium citrate Drugs 0.000 claims description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 claims description 4
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 4
- KXGVEGMKQFWNSR-UHFFFAOYSA-N deoxycholic acid Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)C(O)C2 KXGVEGMKQFWNSR-UHFFFAOYSA-N 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 150000004820 halides Chemical class 0.000 claims description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 4
- HICYUNOFRYFIMG-UHFFFAOYSA-N n,n-dimethyl-1-naphthalen-1-ylmethanamine;hydrochloride Chemical compound [Cl-].C1=CC=C2C(C[NH+](C)C)=CC=CC2=C1 HICYUNOFRYFIMG-UHFFFAOYSA-N 0.000 claims description 4
- 239000002736 nonionic surfactant Substances 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 4
- 229920001987 poloxamine Polymers 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 125000006177 alkyl benzyl group Chemical group 0.000 claims description 3
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical class [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- PLMFYJJFUUUCRZ-UHFFFAOYSA-M decyltrimethylammonium bromide Chemical compound [Br-].CCCCCCCCCC[N+](C)(C)C PLMFYJJFUUUCRZ-UHFFFAOYSA-M 0.000 claims description 3
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 3
- 125000005908 glyceryl ester group Chemical group 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910052752 metalloid Inorganic materials 0.000 claims description 3
- 150000002738 metalloids Chemical class 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- BHQCQFFYRZLCQQ-UHFFFAOYSA-N (3alpha,5alpha,7alpha,12alpha)-3,7,12-trihydroxy-cholan-24-oic acid Natural products OC1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(O)=O)C)C1(C)C(O)C2 BHQCQFFYRZLCQQ-UHFFFAOYSA-N 0.000 claims description 2
- KAKVFSYQVNHFBS-UHFFFAOYSA-N (5-hydroxycyclopenten-1-yl)-phenylmethanone Chemical group OC1CCC=C1C(=O)C1=CC=CC=C1 KAKVFSYQVNHFBS-UHFFFAOYSA-N 0.000 claims description 2
- PORPENFLTBBHSG-MGBGTMOVSA-N 1,2-dihexadecanoyl-sn-glycerol-3-phosphate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCC PORPENFLTBBHSG-MGBGTMOVSA-N 0.000 claims description 2
- TZCPCKNHXULUIY-RGULYWFUSA-N 1,2-distearoyl-sn-glycero-3-phosphoserine Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OC[C@H](N)C(O)=O)OC(=O)CCCCCCCCCCCCCCCCC TZCPCKNHXULUIY-RGULYWFUSA-N 0.000 claims description 2
- DBRHJJQHHSOXCQ-UHFFFAOYSA-N 2,2-dihydroxyethyl(methyl)azanium;chloride Chemical compound [Cl-].C[NH2+]CC(O)O DBRHJJQHHSOXCQ-UHFFFAOYSA-N 0.000 claims description 2
- BSTPEQSVYGELTA-UHFFFAOYSA-N 2-(dimethylamino)ethanol;hydrobromide Chemical compound [Br-].C[NH+](C)CCO BSTPEQSVYGELTA-UHFFFAOYSA-N 0.000 claims description 2
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 claims description 2
- 241000416162 Astragalus gummifer Species 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- CXRFDZFCGOPDTD-UHFFFAOYSA-M Cetrimide Chemical compound [Br-].CCCCCCCCCCCCCC[N+](C)(C)C CXRFDZFCGOPDTD-UHFFFAOYSA-M 0.000 claims description 2
- 229920001661 Chitosan Polymers 0.000 claims description 2
- 239000004380 Cholic acid Substances 0.000 claims description 2
- 229920002307 Dextran Polymers 0.000 claims description 2
- RUPBZQFQVRMKDG-UHFFFAOYSA-M Didecyldimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCC[N+](C)(C)CCCCCCCCCC RUPBZQFQVRMKDG-UHFFFAOYSA-M 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- ZWZWYGMENQVNFU-UHFFFAOYSA-N Glycerophosphorylserin Natural products OC(=O)C(N)COP(O)(=O)OCC(O)CO ZWZWYGMENQVNFU-UHFFFAOYSA-N 0.000 claims description 2
- 108010035713 Glycodeoxycholic Acid Proteins 0.000 claims description 2
- WVULKSPCQVQLCU-UHFFFAOYSA-N Glycodeoxycholic acid Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(=O)NCC(O)=O)C)C1(C)C(O)C2 WVULKSPCQVQLCU-UHFFFAOYSA-N 0.000 claims description 2
- 229920002907 Guar gum Polymers 0.000 claims description 2
- 229920000084 Gum arabic Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 229920001612 Hydroxyethyl starch Polymers 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229910010082 LiAlH Inorganic materials 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- MEFKEPWMEQBLKI-AIRLBKTGSA-O S-adenosyl-L-methionine Chemical compound O[C@@H]1[C@H](O)[C@@H](C[S+](CC[C@H]([NH3+])C([O-])=O)C)O[C@H]1N1C2=NC=NC(N)=C2N=C1 MEFKEPWMEQBLKI-AIRLBKTGSA-O 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- WBWWGRHZICKQGZ-UHFFFAOYSA-N Taurocholic acid Natural products OC1CC2CC(O)CCC2(C)C2C1C1CCC(C(CCC(=O)NCCS(O)(=O)=O)C)C1(C)C(O)C2 WBWWGRHZICKQGZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001615 Tragacanth Polymers 0.000 claims description 2
- ATBOMIWRCZXYSZ-XZBBILGWSA-N [1-[2,3-dihydroxypropoxy(hydroxy)phosphoryl]oxy-3-hexadecanoyloxypropan-2-yl] (9e,12e)-octadeca-9,12-dienoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(COP(O)(=O)OCC(O)CO)OC(=O)CCCCCCC\C=C\C\C=C\CCCCC ATBOMIWRCZXYSZ-XZBBILGWSA-N 0.000 claims description 2
- 235000010489 acacia gum Nutrition 0.000 claims description 2
- 239000000205 acacia gum Substances 0.000 claims 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 claims description 2
- 150000005215 alkyl ethers Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000005600 alkyl phosphonate group Chemical group 0.000 claims description 2
- AWUCVROLDVIAJX-UHFFFAOYSA-N alpha-glycerophosphate Natural products OCC(O)COP(O)(O)=O AWUCVROLDVIAJX-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000005228 aryl sulfonate group Chemical group 0.000 claims description 2
- KHSLHYAUZSPBIU-UHFFFAOYSA-M benzododecinium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 KHSLHYAUZSPBIU-UHFFFAOYSA-M 0.000 claims description 2
- WMLFGKCFDKMAKB-UHFFFAOYSA-M benzyl-diethyl-tetradecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](CC)(CC)CC1=CC=CC=C1 WMLFGKCFDKMAKB-UHFFFAOYSA-M 0.000 claims description 2
- 239000003613 bile acid Substances 0.000 claims description 2
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- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 2
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims description 2
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 claims description 2
- 229940082500 cetostearyl alcohol Drugs 0.000 claims description 2
- 229960000541 cetyl alcohol Drugs 0.000 claims description 2
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 2
- 235000019416 cholic acid Nutrition 0.000 claims description 2
- BHQCQFFYRZLCQQ-OELDTZBJSA-N cholic 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)=O)C)[C@@]2(C)[C@@H](O)C1 BHQCQFFYRZLCQQ-OELDTZBJSA-N 0.000 claims description 2
- 229960002471 cholic acid Drugs 0.000 claims description 2
- KXGVEGMKQFWNSR-LLQZFEROSA-N deoxycholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(O)=O)C)[C@@]2(C)[C@@H](O)C1 KXGVEGMKQFWNSR-LLQZFEROSA-N 0.000 claims description 2
- 229960003964 deoxycholic acid Drugs 0.000 claims description 2
- 229960004670 didecyldimethylammonium chloride Drugs 0.000 claims description 2
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 2
- 229910000396 dipotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019797 dipotassium phosphate Nutrition 0.000 claims description 2
- 239000002526 disodium citrate Substances 0.000 claims description 2
- 235000019262 disodium citrate Nutrition 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 2
- 235000019800 disodium phosphate Nutrition 0.000 claims description 2
- CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 claims description 2
- 229960000878 docusate sodium Drugs 0.000 claims description 2
- VVNBOKHXEBSBQJ-UHFFFAOYSA-M dodecyl(triethyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](CC)(CC)CC VVNBOKHXEBSBQJ-UHFFFAOYSA-M 0.000 claims description 2
- XJWSAJYUBXQQDR-UHFFFAOYSA-M dodecyltrimethylammonium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)C XJWSAJYUBXQQDR-UHFFFAOYSA-M 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/892—Nickel and noble metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0072—Preparation of particles, e.g. dispersion of droplets in an oil bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
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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
- B22F1/16—Metallic particles coated with a non-metal
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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
- B22F9/00—Making metallic powder or suspensions thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Definitions
- the present specification relates to a method for preparing hollow metal nanoparticles supported on a carrier.
- Nanoparticles are particles with nanoscale particle sizes, which are completely different from bulk materials due to their large specific surface area and quantum confinement effect, in which the energy required for electron transfer varies with the size of the material. Different optical, electrical and magnetic properties. Therefore, due to these properties, much attention has been paid to its application in the field of catalysts, electromagnetism, optics, medicine, and the like. Nanoparticles are intermediates between bulk and molecules, and the synthesis of nanoparticles is possible in terms of a two-way approach, a "top-down” approach and a “bottom-up” approach.
- Synthesis methods of metal nanoparticles include gamma rays and electrochemical methods, but existing methods are difficult to synthesize nanoparticles having a uniform size and shape, or environmental pollution and high cost by using organic solvents. For this reason, economical mass production of high quality nanoparticles was difficult.
- the problem to be solved by the present application is to provide a manufacturing method that allows mass production of hollow metal nanoparticles having a uniform size of high quality supported on a carrier without environmental pollution, and easily at a relatively low cost.
- One embodiment of the present application comprises the steps of adding a first metal salt, a second metal salt and a surfactant to the solvent to form a solution; Adding a reducing agent to the solution to form hollow metal nanoparticles; And supporting the hollow metal nanoparticles in a carrier;
- Forming the solution may include the surfactant forming a micelle, wherein the first metal salt and the second metal salt surround the outside of the micelle,
- the forming of the hollow metal nanoparticles provides a method of manufacturing hollow metal nanoparticles supported on a carrier, wherein the unsealed region is formed to be hollow.
- an embodiment of the present application comprises the steps of adding a carrier, a first metal salt, a metal salt 12 and a surfactant to the solvent to form a composition; And adding the reducing agent to the composition to form '' the enhanced metal nanoparticles supported on the carrier,
- Forming the solution may include the surfactant forming a micelle, and the first and second metal salts are wrapped around the outside of the micelle,
- the hollow metal nanoparticles provide a method for producing hollow metal nanoparticles supported on a carrier, wherein the micelle region is formed to be hollow.
- Figure 1 shows a model of the hollow metal nanoparticles containing a surfactant in the hollow metal nanoparticles supported on the carrier prepared according to Example 1.
- Figure 2 shows a model of the hollow metal nanoparticles in the state of removing the hollow metal nanoparticle thickening surfactant supported on the carrier prepared according to Example 1.
- Figure 4 shows the model of the hollow metal nanoparticles of the surfactant is removed from the hollow metal nanoparticles supported on the carrier prepared according to Example 2.
- Figure 5 shows a cross-section of the hollow metal nanoparticles prepared according to Examples 1 to 4 supported on the carrier.
- FIG. 6 illustrates that a general carrier-supporting nanoparticle is aggregated on a carrier.
- Figure 7 shows a transmission electron microscope image of the hollow metal nanoparticles supported on the carrier prepared according to Example 1.
- FIG. 8 shows a transmission electron microscope (TEM) image of hollow metal nanoparticles supported on a carrier prepared according to Example 1.
- TEM transmission electron microscope
- FIG. 9 shows a transmission electron microscope (TEM) image of hollow metal nanoparticles supported on a carrier prepared according to Example 3.
- TEM transmission electron microscope
- TEM 10 shows a transmission electron microscope (TEM) image of the vaporized metal nanoparticles supported on the carrier prepared according to Example 4.
- FIG. 11 shows a transmission electron microscope (TEM) image of hollow metal nanoparticles supported on a carrier prepared according to Example 2.
- TEM transmission electron microscope
- the hollow means that the core portion of the hollow metal nanoparticle is empty.
- the hollow may be used as the same meaning as the hollow core.
- the increase includes terms such as hoi low, hole, void, and porous.
- the hollow may include a space in which no internal material is present at least 50% by volume, specifically at least 70% by volume, more specifically at least 80% by volume. Or it may include a space in which at least 50% by volume, specifically 70% by volume, more specifically 80% by volume is empty. Or a space having an internal porosity of at least 50 volume%, specifically at least 70 volume%, more specifically at least 80 volume 3 ⁇ 4.
- One embodiment of the present application comprises the steps of adding a first metal salt, a second metal salt and a surfactant to the solvent to form a solution; Adding a reducing agent to the solution to form hollow metal nanoparticles; and supporting the hollow metal nanoparticles on a carrier;
- the forming of the solution may include forming the micelle by the surfactant, The first metal salt and the crab bimetal salt is enclosed in the outside of the cell, wherein forming the hollow metal nanoparticles comprises the micelle region is formed in a hollow metal supported on a carrier It provides a method for producing nanoparticles.
- the supporting of the hollow metal nanoparticles on the carrier may include adding a carrier after forming the hollow metal nanoparticles.
- an embodiment of the present application to form a composition by adding a carrier, a first metal salt, a crab dimetal salt and a surfactant to the solvent; And adding a reducing agent to the composition to form hollow metal nanoparticles supported on a carrier,
- Forming the solution includes the surfactant to form a micelle, the first metal salt and the second metal salt is wrapped around the outside of the micelle,
- the vaporized metal nanoparticles provide a method for preparing hollow metal nanoparticles supported on a carrier, wherein the micelle region is formed by vaporization.
- the forming of the composition may include mixing the carrier and the solution formed by adding the first metal salt, the second metal salt, and the surfactant to a solvent.
- the forming of the composition may include adding and dispersing the carrier to a solution formed by adding the first metal salt, the second metal salt, and a surfactant to a solvent.
- the carrier may be a solution in which the carrier is dispersed in a solvent.
- the hollow metal nanoparticles supported on the carrier may be to add a system 1 metal salt, a system 2 metal salt and a surfactant. That is, according to the manufacturing method according to an embodiment of the present application, the hollow metal nanoparticles may be prepared on a carrier. In this case, since the carrier is added in the intermediate step of the manufacturing method, the adhesion between the carrier and the manufactured hollow metal nanoparticles is improved, so that the stability of the hollow metal nanoparticles is excellent.
- the dispersion degree of the hollow metal nanoparticles on the carrier is excellent.
- the reduction potential since the reduction potential is not used, the reduction potential between the first metal and the crab 2 metal is not considered. Because of the use of a metal charge (charge), it is simple compared to the conventional manufacturing method, there is an advantage that the mass production is easy.
- Forming the solution may further add a stabilizer.
- the stabilizer may include one or two or more selected from the group consisting of disodium phosphate, dipotassium phosphate, disodium citrate and trisodium citrate.
- the first metal salt is not particularly limited as long as it can silverize in a solution to provide a metal ionol of the first metal.
- the first metal salt may comprise the first metal.
- the first metal may be different from the second metal.
- the first metal of the first metal salt may be selected from the group consisting of metals, metalloids, lanthanum group metals, and actinium group metals belonging to Groups 3 to 15 of the periodic table.
- platinum Pt
- ruthenium Ru
- rhodium Rh
- molybdenum Mo
- osmium 0s
- iridium Ir
- rhenium Re
- palladium Pd
- vanadium V
- tungsten cobalt Co
- iron Fe
- selenium Se
- Ni nickel
- bismuth Bi
- tin Sn
- chromium Cr
- titanium Ti
- gold Au
- Ce cerium
- silver At least one selected from the group consisting of (Ag) and copper (Cu).
- ruthenium rhodium 0
- molybdenum Mo
- osmium iridium
- Ir iridium
- Re palladium
- Mo molybdenum
- Ir iridium
- Re palladium
- W vanadium 0, tungsten
- Co cobalt
- Iron Iron
- Se selenium
- Ni nickel
- Bi bismuth
- tin Sn
- crum Cr
- titanium TO, cerium (Ce), silver (Ag) and copper (Cu) It may be selected from the group consisting of, and may be even more specifically nickel (Ni).
- the second metal salt is not particularly limited as long as it can be ionized in a solution to provide metal ions in the second metal.
- the second metal salt may comprise a second metal.
- the second metal may be different from the first metal.
- the second metal of the second metal salt may be a metal, a metalloid, a lanthanum group metal, and an actinium group metal belonging to groups 3 to 15 of the periodic table. 13012288
- It may be selected from the group consisting of 6, specifically, platinum (Pt), ruthenium (Ru), rhodium (Rh), molybdenum (Mo), osmium (0s), iridium (Ir), rhenium (Re), palladium (Pd ), Barn (V), Tungsten (W), Cobalt (Co), Iron (Fe), Selenium (Se), Nickel (Ni), Bismuth (Bi), Tin (Sn), Crum (Cr), Titanium ( Ti), gold (Au), cerium (Ce), silver (Ag) and copper (Cu) may be one selected from the group consisting of.
- the first metal salt and the crab metal salt are nitrates (Nitrate, N0 3 ′′ ), chlorides (Chloride, Cl “ ), bromide (Bomide,) of the first metal and the second metal, respectively.
- Halides such as Br “ ), Iodide ( ⁇ ), Hydroxides,
- the first metal and the second metal may form the hollow metal nanoparticles.
- the first metal and the second metal may form a shell portion of the hollow metal nanoparticles, and the € portion may include a first shell and a second shell.
- the shell part may be formed of a first shell including a first metal and a second shell including a second metal.
- the first shell and the second shell may include metals different from each other.
- the shell part of the present specification may include one shell including the first metal and the second metal.
- the second metal salt may form the form of the second shell, or may be combined with the crab metal salt to form the form of the first shell together.
- the shell portion of the present application is present in the front of the outer hollow, it may be present in a form surrounding the hollow. Specifically, according to one embodiment of the present application, the shell portion may be formed on the entire hollow outer surface. That is, the shell portion of the present application may form the form of the hollow metal nanoparticles.
- the shell portion of the hollow metal nanoparticle may be formed of a metal including a first metal and a second metal. That is, the shell portion of the hollow metal nanoparticles of the present application may be formed of a metal rather than a metal oxide.
- the vaporized metal nanoparticles may have a spherical shape.
- the shell portion of the present invention may be a spherical shape including a hollow core. have.
- the spherical shape of the present application does not mean only a perfect spherical shape, but may include an approximately spherical shape.
- the hollow metal nanoparticles may have a spherical outer surface that is not flat, and the radius of curvature of one hollow metal nanoparticle may not be constant.
- the first metal salt is Michel. It may be in a form surrounding the outer surface of the surfactant to form.
- the second metal salt may be in a form surrounding the first metal salt.
- the first metal salt and the second metal salt may form a shell part including the first metal and the second metal, respectively, by a reducing agent.
- the molar ratio of the first metal salt and the second metal salt may be 1: 5 to 10: 1, specifically 2: 1 to 5: 1. If the number of moles of the first metal salt is less than the number of moles of the second metal salt, it is difficult for the first metal to form a first shell including vaporization. In addition, when the number of moles of the first metal salt exceeds 10 times the number of moles of the second metal salt, it is difficult to form the second shell when the second metal salt surrounds the first shell.
- the atomic percentage ratio of the first metal and the second metal of the shell part may be 1: 5 to 10: 1.
- the atomic percentage ratio may be an atomic percentage ratio of the first metal of the first shell and the second metal of the second shell when the shell portion is formed of the first shell and the second shell.
- the atomic percentage ratio may be an atomic percentage of the first metal and the second metal when the shell portion is formed of one shell including the first metal and the second metal.
- the first metal and the second metal may be uniformly or nonuniformly mixed.
- the shell portion may exist in a state in which the first metal and the second metal are gradated, and the portion of the shell portion adjacent to the hollow core is 50 volume 3 ⁇ 4 or more, or 70
- the volume may be greater than or equal to 3 ⁇ 4, and the second portion of the second metal may be present in an amount of 50% by volume or more, or 70% by volume or more in the surface portion of the shell portion contacting the outside of the nanoparticles.
- the solvent may be a solvent including water.
- the solvent dissolves the first metal salt and the crab 2 metal salt, and may be water or a mixture of water and an alcohol of d-Cs, and specifically, may be water.
- the present application does not use an organic solvent as a solvent, There is no need for a post-treatment process for treating organic solvents, thus reducing costs and preventing environmental pollution.
- the surfactant may form the rice cake in the solution.
- the charge of the surfactant may be classified according to the type of charge on the outer surface of the mi ' cell. That is, when the charge on the outer surface of the micelle is negative, the surfactant forming the micelle may be an anionic surfactant. In addition, when the charge on the outer surface of the micelle is cationic, the surfactant forming the micelle may be a cationic surfactant.
- the surfactant may be a negative silver surfactant.
- the surfactant is an anionic surfactant
- the outer surface of the surfactant forming the micelle is anionic, it may be surrounded by a first silver metal salt.
- the first metal salt may be surrounded by a second metal salt having negative silver.
- the region in which the negative surfactant forms the micelle is such that the first metal salt having the cation and the second metal salt having the anion do not exist and form a hollow. Can be. That is, when the first metal salt and the second metal salt are formed by the shell portion including the first metal and the second metal by the reducing agent, the region forming the micelle may be a hollow core not containing metal.
- the surfactant may be a cationic surfactant.
- quaternary ammonium compound benzalkonium chloride, cetyl dimethylammonium bromide, chitosan, lauryldimethylbenzylammonium chloride, acyl carnitine hydrochloride, alkylpyridinium halide, cetyl pyridinium chloride, Cationic Lipid, Polymethylmethacrylate Trimethylammonium Bromide, Sulfonium Compound, Polyvinylpyridone-2-dimethylaminoethyl methacrylate dimethyl sulfate, nucleodecyl trimethyl ammonium bromide, phosphonium compound, benzyldi- (2-chloroethyl) ethylammonium bromide, coconut trimethyl ammonium chloride, coconut trimethyl ammonium bromide Roman Id, coconut methyl dihydroxyethyl ammoni
- the surfactant is a cationic surfactant
- the outer surface of the surfactant forming the micelle since the outer surface of the surfactant forming the micelle is cationic, it may be surrounded by a metal salt having an anion. Furthermore, the first metal salt may be surrounded by a second metal salt having a cation.
- the region in which the cationic surfactant forms the micelle is such that the first metal salt having the negative silver and the second metal salt having the cation do not exist, thereby forming a vacuum. can do. That is, when the first metal salt and the second metal salt are formed by the shell portion including the first metal and the second metal by the reducing agent, the region forming the micelle may be a hollow core not containing metal.
- the forming of the solution may further include adding a non-neutral surfactant.
- the non-ionic surfactant is specifically polyoxyethylene fatty alcohol ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene castor Free derivatives, sorbitan esters, glyceryl esters, glycerol monostearate, polyethylene glycol 3 ⁇ 4, polypropylene glycol, polypropylene glycol esters, cetyl alcohol, cetostearyl alcohol, stearyl alcohol, aryl alkyl polyether alcohols, Oxyethylene polyoxypropylene copolymer, poloxamer, poloxamine, methyl cellulose, hydroxy specific cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxy propyl cellulose, hydroxy propyl methyl cellulose Hydroxypropylmethylcell Phthalate, amorphous cellulose, polysaccharide, starch, starch derivative, hydroxyethyl starch, polyvinyl alcohol,
- the nonionic surfactant is adsorbed on the surface of the shell, and serves to uniformly disperse the hollow metal nanoparticles formed in the solution.
- the hollow metal particles are prevented from being aggregated or swollen and precipitated, and the hollow metal nanoparticles can be formed in a uniform size.
- the concentration of the surfactant in the solution is a solvent It may be at least 0.2 times and at most 5 times the critical micelle concentration (CMC) for. For example, it may be 1 times.
- CMC critical micelle concentration
- the concentration of the surfactant in the solution may be 0.2 times or more and 5 times or less of the critical micelle concentration (CMC) for water.
- CMC critical micelle concentration
- the concentration of the surfactant is less than 0.2 times the critical micelle concentration, the surfactant may not form micelles and thus may not form hollow particles.
- the concentration of the surfactant exceeds 5 times the critical micelle concentration, a non-spherical rod or plate may be formed, or hollow metal nanoparticles may not be formed.
- the size of the hollow metal nanoparticles may be controlled by controlling the first and second metal salts surrounding the surfactant and / or the micelle forming the micelle.
- the size of the hollow metal nanoparticles may be controlled by the chain length of the surfactant forming the micelle. Specifically, if the chain length of the surfactant is short, the size of the micelle is reduced, the hollow size is also reduced, and thus the size of the hollow metal.nanoparticles may be reduced.
- the carbon number of the chain of the surfactant may be 15 or less. Specifically, the carbon number of the chain may be 8 or more and 15 or less. Alternatively, the carbon number of the chain may be 10 or more and 12 or less.
- the size of the hollow metal nanoparticles may be adjusted by adjusting the type of counter ions of the surfactant forming the micelle. Specifically, the larger the size of the counter ion of the surfactant, the weaker the bonding force with the head portion of the outer end of the surfactant may be a larger size of the hollow, thereby increasing the size of the hollow metal nanoparticles.
- the surfactant when the surfactant is an anionic surfactant, the surfactant may include NH 4 + , K + , Na + or Li + as a counter ion.
- the counter ion of the surfactant is Li 4 +
- the counter ion of the surfactant is K +
- the counter ion of the surfactant is Na +
- the counter ion of the surfactant is Li + .
- the size of the hollow nanoparticles can be reduced. Which is the following It can be confirmed by the following Example.
- the surfactant when the surfactant is a cationic surfactant, the surfactant may include ⁇ , Br— or a counter ion.
- the size of the hollow nanoparticles may be reduced in the order of the counter ion of the surfactant is C1.
- the size of the hollow metal nanoparticles may be adjusted by adjusting the size of the head of the outer end of the surfactant forming the micelle: Furthermore, the surfactant formed on the outer surface of the micelle When the size of the head portion is increased, the repulsive force between the head portions of the surfactant is increased, the hollow may be increased, and accordingly, the size of the hollow metal nanoindenter may be increased.
- the size of the hollow metal nanoparticles may be determined by the combination of the above-described elements.
- the manufacturing method may be performed at room temperature. That is, each step of the manufacturing method may be performed at room temperature. Specifically, 4 ° C or more in the range of 35 ° C or less, more specifically 15 ° C or more can be carried out at 28 V or less.
- Forming the solution in one embodiment of the present application may be carried out at room temperature, specifically 4 V or more in the range of 35 V or less, more specifically 15 ° C or more and 28 ° C or less.
- the solvent is an organic solvent, there is a problem that the solvent must be prepared at a high temperature of more than 100 ° C. Since the present application can be manufactured at room temperature, the manufacturing method is simple, there is a process advantage, and the cost reduction effect is large.
- Forming the solution in one embodiment of the present application may be carried out of 5 minutes to 120 minutes under, it is not more specifically, for 10 minutes to 90 minutes, with still more specifically 20 minutes to, 60 minutes.
- the supporting of the hollow metal nanoparticles may be performed by preparing the hollow metal nanoparticles, and then adding the dispersion of the hollow metal nanoparticles to the dispersion of the carrier and then stirring the mixture. .
- the step of supporting the hollow metal nanoparticles on a carrier may be performed at room temperature.
- the temperature of the range of more than 4 to 35 ° C also, more specifically, it may be carried out at 15 ° C or more and 28 ° C or less.
- Dispersing by adding the carrier in one embodiment of the present application may be carried out in the silver, specifically the range of 4 ° C to 35 ° C. Since the present application can be manufactured at room temperature, the manufacturing method is simple, there is a process advantage, and the cost reduction effect is large.
- the step of dispersing may be performed by stirring for 5 minutes to 120 minutes, more specifically 10 minutes to 90 minutes, even more specifically 20 minutes to 60 minutes.
- the manufacturing method according to the embodiment of the present application has the advantage that the metal salts are uniformly dispersed since the first metal salt and the second metal salt are dispersed in the carrier before the hollow metal nanoparticles are formed. Thus, when hollow metal nanoparticles are formed, there is less spawn between particles. In addition, there is an advantage that the adhesion or bonding force between the hollow metal nanoparticles and the carrier is improved.
- the carrier may use a carbon-based material or inorganic fine particles.
- Carbon-based materials include carbon black, carbon nanotubes (CNT), graphite, graphene, activated carbon, porous carbon, mesoporous carbon, carbon fiber and carbon nano wire
- the carbon black may be selected from the group consisting of, and the carbon black may include denka block, ketjen block, or acetylene black.
- the inorganic fine particles may be selected from the group consisting of alumina, silica, titania and zirconia.
- a vaporized metal nanoparticles by adding a reducing agent to the solution is also at room temperature, or less specifically, four or more even on the range between t 35 ° C, more specifically 15 ° C 28 t to form a hollow metal nanoparticles supported on the carrier by adding a reducing agent to the solution can do. Since the present application can be manufactured at room temperature, the manufacturing method is simple, there is a process advantage, and the cost reduction effect is large.
- the forming of the hollow metal nanoparticles may include reacting the solution and the reducing agent for a predetermined time, specifically, for 5 to 120 minutes, more specifically for 10 to 90 minutes, and even more specifically for 20 to 60 minutes. Can be done.
- the reducing agent is a standard reducing -0.23V or less, specifically, -4V or more -0.23V or less strong reducing agent, reducing the metal ions to reduce the reducing power to precipitate as metal particles It will not specifically limit, if it has.
- a reducing agent may be, for example, at least one selected from the group consisting of NaBH 4 , N3 ⁇ 4N3 ⁇ 4, LiAlH 4 and LiBEt3H.
- the reaction rate may be slow and subsequent heating of the solution may be difficult, resulting in problems in mass production.
- a weak reducing agent ethylene glycol
- the method may further include removing a surfactant inside the hollow after forming the hollow metal nanoparticles.
- the removal method is not particularly limited and may be, for example, a method of washing with water.
- the surfactant may be an anionic surfactant or a cationic surfactant.
- a manufacturing method adding a carrier, a first metal salt, a second metal salt and a surfactant to a solvent to form a composition; And adding a reducing agent to the composition to form hollow metal nanoparticles supported on the carrier, and then performing a filtration process using a filter after centrifugation or washing after washing.
- Particle diameters of the plurality of hollow metal nanoparticles formed in one embodiment of the present application may be in the range of 80% to 120% of the average particle diameter of the hollow metal nanoparticles.
- the particle diameter of the hollow metal nanoparticles may be in the range of 90% to 110% of the average particle diameter of the hollow metal nanoparticles. If it is out of the above range, since the size of the hollow metal nanoparticles becomes entirely non-uniform, it may be difficult to secure the specific properties required by the hollow metal nanoparticles. For example, when the hollow metal nanoparticles outside the range of 80% to 120% of the average particle diameter of the hollow metal nanoparticles are used as the catalyst, the activity of the catalyst may be somewhat insufficient.
- hollow metal nanoparticles having a uniform size may be manufactured in several nano sizes. Conventional methods have made it difficult to produce hollow nanoparticles of several nanosizes, and even more difficult to produce uniform sizes.
- the average particle diameter of the hollow metal nanoparticles may be 30 nm or less, more specifically 20 nm or less, or 10 nm or less. Alternatively, the average particle diameter of the hollow metal nanoparticles may be 6 nm or less. The average particle diameter of the hollow metal nanoparticles may be 1 nm or more. When the particle diameter of the hollow metal nanoparticles is 30 nm or less, the advantage that the nanoparticles can be used in various fields is great.
- the particle diameter of a hollow metal nanoparticle is 20 nm or less.
- the particle diameter of the hollow metal nanoparticles is lOnm or less, or 6 nm or less, since the surface area of the particles becomes wider, there is an advantage that the possibility of use in various fields is increased. For example, if the hollow metal nanoparticles formed in the particle size range is used as a catalyst, the efficiency can be significantly increased.
- the average particle diameter of the hollow metal nanoparticles is measured for 200 or more hollow metal nanoparticles using graphic software (MAOView), and the average particle diameter is measured through the obtained statistical distribution. Means.
- the average particle diameter of the hollow metal nanoparticles may be 1 nm or more and 30 nm or less.
- the average particle diameter of the hollow metal nanoparticles may be 1 nm or more and 20 nm or less.
- the average particle diameter of the hollow metal nanoparticles may be 1 nm or more and 15 nm or less.
- the average particle diameter of the hollow metal nanoparticles may be 1 nm or more and 12 nm or less.
- the average particle diameter of the hollow metal nanoparticles may be 1 mm or more and 10 nm or less.
- the average particle diameter of the hollow metal nanoparticles may be 1 nm or more and 6 nm or less.
- the hollow metal nanoparticles are hollow cores; And a shell part including the first metal and the second metal.
- the shell part may include at least one first shell including a first metal; And at least one second shell comprising a second metal.
- the second shell may be present in at least one region of the outer surface of the first shell, and may exist in a form surrounding the front surface of the outer surface of the first shell. If the second shell is present in some region of the outer surface of the first shell it may be present in the form of discontinuous faces.
- the shell part may include at least one shell including the first metal and the second metal.
- the hollow metal nanoparticles are hollow core (core); And at least one shell including the first metal and the second metal.
- the thickness of the shell portion may be more than Onm 5nm or less, more specifically more than Onm 3nm or less. In addition, in one embodiment of the present application, the thickness of the shell portion may be greater than 1 nm and 2 nm or less.
- the average particle diameter of the hollow metal nanoparticles is 30nm or less
- the thickness of the shell portion may be more than Onm 5nm or less, more specifically the average particle diameter of the vaporized metal nanoparticles is 20nm or less or lOnm or less
- the thickness of the shell portion May be greater than Onm and no greater than 3 nm.
- the hollow particle diameter of the hollow metal nanoparticles is lnm or more and lOnm or less, specifically lnm or more and 4nm. It may be:
- the thickness of each shell may be 0.25 nm or more and 5 nm or less, specifically 0.25 nm or more and 3 nm or less.
- the shell portion may be a shell formed by mixing the first metal and the second metal, or may be a plurality of shells including a first shell and a second shell, each having a different mixing ratio of the first metal and the second metal. Or a plurality of shells comprising a first shell comprising only the first metal and a second shell comprising only the second metal.
- the hollow volume of the hollow metal nanoparticles may be 50 volume 3 ⁇ 4 or more, specifically 70 volume% or more, and more specifically 80 volume 3 ⁇ 4 or more of the total volume of the hollow metal nanoparticles. .
- the hollow metal nanoparticles supported on the carrier prepared by the preparation method of the present application may generally be used in place of the existing nanoparticles in the field where nanoparticles can be used. Since the hollow metal nanoparticles supported on the carrier of the present application are very small in size and have a larger specific surface area than those of the conventional nanoparticles, the hollow metal nanoparticles may exhibit excellent activity as compared to the conventional nanoparticles. Specifically, the hollow metal nanoparticles supported on the carrier of the present application may be used in various fields such as a catalyst, a drug delivery (drug delivery), and a gas sensor.
- the hollow metal nanoparticles supported on the carrier may be used as an active substance preparation in cosmetics, killer, animal nutrition or food supplements as a catalyst, or may be used as a pigment in electronic products, optical articles or polymers.
- a hollow metal nanoparticles supported on a carrier prepared by the manufacturing method.
- Hollow metal nanoparticles according to one embodiment of the present application are hollow cores; And crab 1 metal And / or hollow metal nanoparticles supported on a carrier comprising at least one shellol comprising a second metal.
- the shell may be a single layer or two or more layers.
- the first metal and the second metal may be present in a mixed form. At this time, they may be mixed uniformly or non-uniformly.
- an atomic percentage ratio of the first metal and the second metal may be 1: 5 to 10: 1.
- the first metal and the second metal may exist in a gradation state in the shell, and a portion of the shell contacting the hollow core may have at least 50 vol. 3>. Or, at least 70% by volume, and at the surface portion of the shell which is in contact with the outside, the second metal may be present at 50% by volume or more, or at least 70% by volume.
- the shell when the shell is a single layer, it may include only the first metal or the crab 2 metal.
- the hollow metal nanoparticles supported on the carrier include a hollow core and a first shell including the first metal formed on the entire outer surface of the hollow core, and the entire outer surface of the first shell. It may include a second shell comprising a second metal formed on.
- the hollow metal nanoparticles supported on the carrier may include a single layer shell including the first metal and the second metal formed on the entire outer surface of the hollow core.
- the hollow core may include a surfactant having a positive charge.
- the hollow metal nanoparticles supported on the carrier include a hollow core, a first shell in which a positively charged first metal salt is present in at least one region outside the hollow, and again a second metal having negative charges. And a second shell present in at least one region of the outer surface of the first shell.
- the hollow core may include a surfactant having a negative charge.
- the degree of dispersion of the hollow metal nanoparticles may be 20% or more and 50% or less, or 20% or more and 40% or less. Specifically, according to one embodiment of the present application, the degree of dispersion of the hollow metal nanoparticles may be 25% or more and 40% or less, or 25% or more and 35% or less. According to one embodiment of the present application, in order to measure the dispersion of the hollow metal nanoparticles was used AutoChem ⁇ 2920 equipment of Micromeritics.
- the degree of dispersion of the hollow metal nanoparticles may be calculated as follows.
- the degree of dispersion indicates the proportion of the hollow metal nanoparticles exposed on the surface of the carrier, and the higher the value, the higher the proportion of the hollow metal nanoparticles exposed on the surface of the carrier. That is, as the numerical value of the dispersion degree is high, it may mean that the distribution of the hollow metal nanoparticles supported on the carrier is evenly distributed.
- CMC critical micelle concentration
- FIG. 1 The model of the 3 ⁇ 4 hollow metal nanoparticles including the surfactant among the hollow metal nanoindenters supported on the carrier prepared according to Example 1 is shown in FIG. 1, and the model of the hollow metal nanoparticles with the surfactant removed is shown. 2 is shown.
- FIG. 7 and 8 show hollow metal nanoparticles and a transmission electron microscope (TEM) image supported on a carrier prepared according to Example 1.
- TEM transmission electron microscope
- the degree of dispersion of the hollow metal nanoparticles supported on the carrier prepared according to Example 1 was 35%.
- FIG. 3 shows a model of the hollow metal nanoparticles including the surfactant among the hollow metal nanoparticles supported on the carrier prepared according to Example 2.
- FIG. 4 is shown.
- Figure 11 is a transmission electron microscope (TEM) of the hollow metal nanoparticles supported on a carrier prepared according to Example 2 It is unknown.
- TEM transmission electron microscope
- the degree of dispersion of the vacuum metal nanoparticles supported on the carrier prepared according to Example 2 was 28%.
- Ni (N0 3 ) 2 0.03 ⁇ ol as the first metal salt, K 2 PtCl 4 0.01 ⁇ ol as the second metal salt, and Tri sodium Citrate 0.12 ⁇ ob as an anionic surfactant Sulfate (Ammonium Lauryl Sulfate: ALS) 0.02 dl ol was added to 26 ml of distilled water, dissolved to form a solution, and stirred for 30 minutes. At this time, the molar ratio of Ni (N0 3 ) 2 and K 2 PtCl 4 was 3: 1, wherein the calculated concentration of ALS was approximately twice the critical micelle concentration (CMC) for water.
- CMC critical micelle concentration
- Figure 9 shows a transmission electron microscope (TEM) image of the ' hollow metal nanoparticles supported on the carrier prepared according to Example 3.
- TEM transmission electron microscope
- the degree of dispersion of the hollow metal nanoparticles supported on the carrier prepared according to Example 3 was 33%.
- Example 4 Unlike Example 4, in which the hollow metal nanoparticles were prepared by adding a reducing agent after supporting the carbon black, in Example 4, the hollow metal nanoparticles were prepared by adding the reducing agent and then supported in carbon black. Specifically, it is as follows.
- NKN0 3 0.03 ⁇ ol as the first metal salt, K 2 PtCl 4 0.01 ⁇ ol as the second metal salt, trisodium citrate 0.12 ⁇ ol as the stabilizer, and ammonium lauryl sulfate as the anionic surfactant Ammonium Lauryl Sulfate: ALS) 0.02 ⁇ ol in distilled water 26 It was added to ml, dissolved to form a solution and stirred for 30 minutes. NKN0 3 ) 2 and
- the molar ratio of K 2 PtCl 4 was 3: 1, wherein the calculated concentration of ALS was approximately twice the critical micelle concentration for water (CMC).
- a transmission electron microscope (TEM) image of hollow metal nanoparticles supported on a carrier prepared according to Example 4 is shown in FIG. 10. At this time, the particle size was 20 nm.
- the dispersion degree of the hollow metal nanoparticles supported on the carrier prepared according to Example 4 was 24%.
- the MicroQM's AutoQiem ⁇ 2920 instrument was used, and the adsorption gas was CO.
- Figure 5 shows a cross-section of the hollow metal nanoparticles prepared according to Examples 1 to 4 supported on the carrier.
- Figure 6 shows that the general carrier-carried nanoparticles appear to be agglomerated on the carrier.
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Abstract
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US14/649,446 US9517460B2 (en) | 2012-12-27 | 2013-12-27 | Method for fabricating hollow metal nano particles supported on carrier |
EP13869084.7A EP2939764B1 (en) | 2012-12-27 | 2013-12-27 | Method for manufacturing hollow metal nanoparticle supported by support body |
JP2015546403A JP6172482B2 (ja) | 2012-12-27 | 2013-12-27 | 担体に担持された中空金属ナノ粒子を含む触媒の製造方法 |
CN201380068504.0A CN104884198B (zh) | 2012-12-27 | 2013-12-27 | 制备负载在载体上的中空金属纳米粒子的方法 |
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CN105127413A (zh) * | 2015-09-18 | 2015-12-09 | 温州大学 | 贵金属纳米环及其制备方法 |
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EP2939764A1 (en) | 2015-11-04 |
JP2016504187A (ja) | 2016-02-12 |
CN104884198A (zh) | 2015-09-02 |
US9517460B2 (en) | 2016-12-13 |
KR20140085366A (ko) | 2014-07-07 |
EP2939764A4 (en) | 2016-10-05 |
US20150328629A1 (en) | 2015-11-19 |
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JP6172482B2 (ja) | 2017-08-02 |
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