CN110479250A - A method of one-dimensional platinum base nano material is prepared based on reducibility gas auxiliary - Google Patents
A method of one-dimensional platinum base nano material is prepared based on reducibility gas auxiliary Download PDFInfo
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- CN110479250A CN110479250A CN201910818258.5A CN201910818258A CN110479250A CN 110479250 A CN110479250 A CN 110479250A CN 201910818258 A CN201910818258 A CN 201910818258A CN 110479250 A CN110479250 A CN 110479250A
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- platinum
- nano material
- presoma
- dimensional
- reducibility gas
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 161
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 72
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 27
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 16
- 238000006722 reduction reaction Methods 0.000 claims abstract description 14
- 239000010953 base metal Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 10
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 12
- 239000011591 potassium Substances 0.000 claims description 12
- 239000002105 nanoparticle Substances 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000001291 vacuum drying Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 239000012052 hydrophilic carrier Substances 0.000 claims description 4
- OQUOOEBLAKQCOP-UHFFFAOYSA-N nitric acid;hexahydrate Chemical compound O.O.O.O.O.O.O[N+]([O-])=O OQUOOEBLAKQCOP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 4
- 229960001763 zinc sulfate Drugs 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- GFHNAMRJFCEERV-UHFFFAOYSA-L cobalt chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Co+2] GFHNAMRJFCEERV-UHFFFAOYSA-L 0.000 claims description 3
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims description 3
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- MPTQRFCYZCXJFQ-UHFFFAOYSA-L copper(II) chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Cu+2] MPTQRFCYZCXJFQ-UHFFFAOYSA-L 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 230000036571 hydration Effects 0.000 claims 1
- 238000006703 hydration reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 238000012512 characterization method Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 239000003054 catalyst Substances 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002082 metal nanoparticle Substances 0.000 abstract description 3
- 239000003607 modifier Substances 0.000 abstract description 2
- 239000010970 precious metal Substances 0.000 abstract description 2
- 239000002070 nanowire Substances 0.000 description 52
- 230000005540 biological transmission Effects 0.000 description 16
- 239000013078 crystal Substances 0.000 description 15
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 description 11
- 238000002604 ultrasonography Methods 0.000 description 10
- 238000007790 scraping Methods 0.000 description 9
- 239000003643 water by type Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000001603 reducing effect Effects 0.000 description 4
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000002242 deionisation method Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 235000012149 noodles Nutrition 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- PHRFTVNCIUXJIY-UHFFFAOYSA-N platinum scandium Chemical compound [Sc].[Pt].[Pt] PHRFTVNCIUXJIY-UHFFFAOYSA-N 0.000 description 3
- SKJKDBIPDZJBPK-UHFFFAOYSA-N platinum zinc Chemical compound [Zn].[Pt] SKJKDBIPDZJBPK-UHFFFAOYSA-N 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- ZONODCCBXBRQEZ-UHFFFAOYSA-N platinum tungsten Chemical compound [W].[Pt] ZONODCCBXBRQEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-UHFFFAOYSA-N 0.000 description 1
- CMHKGULXIWIGBU-UHFFFAOYSA-N [Fe].[Pt] Chemical compound [Fe].[Pt] CMHKGULXIWIGBU-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- -1 platinoid Chemical compound 0.000 description 1
- FHMDYDAXYDRBGZ-UHFFFAOYSA-N platinum tin Chemical compound [Sn].[Pt] FHMDYDAXYDRBGZ-UHFFFAOYSA-N 0.000 description 1
- UQWLEJDCBWVKSN-UHFFFAOYSA-N platinum zirconium Chemical compound [Zr].[Pt] UQWLEJDCBWVKSN-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001507 sample dispersion Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
Classifications
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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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/60—Platinum group metals with zinc, cadmium or mercury
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
- B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
- B01J23/626—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with tin
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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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
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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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6527—Tungsten
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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
- B01J23/8906—Iron 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
- 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
- B01J23/8913—Cobalt 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
- 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
- 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
- B01J23/8926—Copper and noble metals
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- B01J35/23—
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- B01J35/33—
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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
- B01J37/18—Reducing with gases containing free hydrogen
Abstract
The present invention relates to a kind of methods for assisting preparing one-dimensional platinum base nano material based on reducibility gas, the following steps are included: (1) takes water-soluble noble metal platinum presoma and water-soluble base metal presoma molten altogether, it is dried in vacuo to get mixed uniformly bimetallic presoma solid powder is arrived；(2) bimetallic presoma solid powder obtained by step (1) is placed in reactor, after air in inert gas emptying reactor, reducibility gas is introduced, heating carries out reduction reaction, after the washing of gained reduzate, one-dimensional platinum base nano material is obtained.Compared with prior art, the present invention utilizes gas molecule in the characterization of adsorption of precious metal surface, realize the controllable growth of noble metal nano particles, get rid of influence of the organic modifier to catalyst performance, the preparation method of gas-solid reaction will be more suitable for the industrialized production of batch catalyst compared with Traditional liquid phase synthesis simultaneously.
Description
Technical field
The invention belongs to technical field of nanometer material preparation, are related to one kind based on reducibility gas auxiliary and prepare one-dimensional platinum base
The method of nano material.
Background technique
Monodimension nanometer material possesses outstanding properties in thermal stability, electron-transport and optics etc..Especially, one-dimensional platinum
Base nano-wire is for zero-dimension nano particle, high flexibility, and good electric conductivity and excellent stability are urged in electricity
Change aspect and shows excellent performance.However, the preparation method about one-dimensional platinum base nano wire is mainly prepared as with liquid phase at present
It is main, and a large amount of organic reagents are introduced, in addition to the catalytic performance on product has certain influence, complicated preparation and washers
Skill limits large-scale industrialized production.
In a kind of preparation method of platinoid nano-material as disclosed in Chinese patent ZL 201710801814.9, with copper
Source is raw material, and sodium hydroxide solution is solvent, and hydrazine hydrate solution is reducing agent, copper is prepared and receives within water-bath 0.8-1 hours
Rice noodles, then using copper nano-wire as template, using the activity difference between copper and noble metal platinum, using Liquid displacement methods, You Tongna
Rice noodles occur displacement with platinum acid chloride solution and react to obtain platinoid nano-material.Although it can preferably prepare platinoid nano wire
Material, still, to prepare washing process complex there are still mentioned above, it is difficult to the problem of scale application.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be based on reproducibility gas
Body assists the method for preparing one-dimensional platinum base nano material.Using gas molecule in the characterization of adsorption of precious metal surface, realize expensive
The controllable growth of metal nanoparticle gets rid of influence of the organic modifier to catalyst performance, while the preparation of gas-solid reaction
Method will be more suitable for the industrialized production of batch catalyst compared with Traditional liquid phase synthesizes.
The purpose of the present invention can be achieved through the following technical solutions:
A method of one-dimensional platinum base nano material being prepared based on reducibility gas auxiliary, one-dimensional platinum base nano material is one
Tie up platinum nano material or one-dimensional platinum bimetallic nano material, wherein
The preparation process of the one-dimensional platinum nano material specifically: take noble metal platinum precursor powder to be placed in reactor,
After air in inert gas emptying reactor, reducibility gas is introduced, heating carries out reduction reaction, and gained reduzate is washed
After washing, one-dimensional platinum nano material is obtained；
The preparation process of the one-dimensional platinum bimetallic nano material the following steps are included:
(1) it takes water-soluble noble metal platinum presoma and water-soluble base metal presoma molten altogether, is dried in vacuo to get arriving
Mixed uniformly bimetallic presoma solid powder；
(2) bimetallic presoma solid powder obtained by step (1) is placed in reactor, is emptied using inert gas
In reactor after air, reducibility gas is introduced, heating carries out reduction reaction and obtains one-dimensional after the washing of gained reduzate
Platinum bimetallic nano material.
Further, it in step (1), before noble metal platinum presoma and base metal presoma are molten altogether, can also be added hydrophilic
Property carrier material, directly obtain the bimetallic presoma solid powder for being carried on carrier, and then be made and be carried on by step (2)
The one-dimensional platinum base nano material of carrier.
Further, the hydrophilic carrier material includes hydrophilic carbon dust or hydrophilic titanium dioxide nano particle.Wherein,
Hydrophilic titanium dioxide nano particle is preferably purchased from Sigma-Aldrich, anatase, and~25 nanometers, purity 99.7%.Hydrophilic carbon dust
Preferably business carbon dustXC-72R is obtained by pickling processes.Pickling processes process is specific as follows: (1) taking one 50 millis
The single necked round bottom flask for rising capacity, sequentially adds 15 milliliters of concentrated sulfuric acids, 5 milliliters of concentrated nitric acids, 200 milligrams of carbon dusts are placed in a cold water
In bath, stir 20 minutes；(2) after pickling, carbon dust is washed with deionized, until the pH value of supernatant is close to neutrality
It can.
Further, in step (1), the noble metal platinum presoma is potassium chloroplatinite, and base metal presoma is six
Hydrated nickel chloride, six chloride hydrate ferrous irons, cobalt chloride hexahydrate, cabaltous nitrate hexahydrate, six chloride hydrate scandiums, two chloride hydrates
Copper, zinc sulfate, zirconium sulfate, stannic chloride or ammonium paratungstate.
Further, in step (1), noble metal platinum presoma and base metal presoma are total to molten solvent for use as deionization
Water, vacuum drying temperature are 60 DEG C.
Further, in step (2), the inert gas is nitrogen or argon gas.
Further, in step (2), the reducibility gas is hydrogen, using the strong reducing property of hydrogen and in your gold
Belong to the absorption feature of Pt nanoparticle difference crystal face, realizes the orientation connection during nanoparticle growth, one-dimensional platinum can be obtained
Base nano-wire；If being passed through the mixed gas of carbon monoxide and hydrogen, product tends to spherical nanoparticle.
Further, in step (2), the temperature for heating reduction reaction is 300 DEG C ± 50 DEG C.
Further, in step (2), reduzate washing is washed with deionized to adopt.
Further, in step (2), before bimetallic presoma solid powder is placed in the guarantee of the position in reactor bimetallic
Body solid powder is driven to contact sufficiently with the subsequent reducibility gas being passed through.
In the present invention, Pt nanoparticle realizes the formation machine of particular crystal plane orientation connection under surface atom diffusion
Be made as: the diffusion rate of nano grain surface pt atom can be enhanced in the absorption of hydrogen, especially in the strongest platinum of hydrogen adsorption
{ 100 } the diffusion into the surface rate of crystal face, pt atom significantly increases, so that the connection between particle is also more likely to occur to have
Platinum { 100 } crystal face of high diffusion into the surface rate.The synthesis in solid state process of platinum base nano wire mainly includes the following four stage:
(1) Preferential adsorption of the hydrogen in platinum { 100 } crystal face；(2) the diffusion into the surface rate enhancing of platinum { 100 } crystal face；(3) Pt nanoparticle
{ 100 } contact between crystal face and between particle constriction formation；(4) orientation of { 100 } crystal face is realized between nano particle
Connection and nanometer short chain preliminarily form.
In the present invention, preferred reduction temperature is 300 DEG C ± 50 DEG C, and reduction temperature is too low to be unfavorable for base metal presoma
Reduction and alloying with noble metal platinum；The excessively high agglomeration phenomenon for easily causing one-dimensional platinum base nano wire of reduction temperature, from
And influence its electrocatalysis characteristic.
The present invention is using the reducibility gas such as hydrogen auxiliary, such as using hydrogen molecule in noble metal nano particles difference crystal face
Absorption feature, the preparation of one-dimensional platinum base nano wire is realized by gas-solid reaction.Preparation process is simple, and product catalyst performance is excellent
It is different.
Compared with prior art, the invention has the following advantages that
(1) present invention prepares one-dimensional platinum base nano wire, work by gas-particle two-phase reaction using the reducing gas such as hydrogen auxiliary
Skill is simple.
(2) environmentally protective the invention avoids the use of organic reagent in traditional wet chemistry preparation platinum base nano wire.
(3) preparation that the present invention is suitable for self-supporting platinum base nano wire is suitable for being carried on the platinum base nano wire of carrier again
Preparation.
(4) washing process of the method for the present invention product is simple, is not necessarily to specially treated, and catalyst surface cleanliness is high.
(5) the method for the present invention is suitable for extensive batch preparation, can be applied to industrial production.
Detailed description of the invention
Fig. 1 is the transmission electron microscope photo of self-supporting Pt nanowires；
Fig. 2 is the transmission electron microscope photo of self-supporting platinum nickel nano wire；
Fig. 3 is the low power transmission electron microscope photo of self-supporting platinum iron, platinum cobalt, platinum scandium, platinoid, platinum zinc, platinum zirconium, platinum tin, platinum tungsten；
Fig. 4 is the transmission electron microscope photo for being carried on the Pt nanowires and platinum nickel nano wire of titanium dioxide；
Fig. 5 is the electrocatalytic oxidation reducing property of Pt nanowires and platinum nickel nano wire；
Fig. 6 is the structural schematic diagram of reactor.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Reactor employed in following embodiment may refer to shown in Fig. 6, and specially a steel tubular structure is anti-
Answer device, inside can dispose the quartz boat for placing bimetallic presoma solid powder 2, and can be placed in tube furnace it is suitable to provide
Temperature, the both ends of reactor are separately connected air inlet pipeline and gas exhaust piping, and the triple valve of front end is used to switch gas, and guarantees
Before carrying out reduction reaction, it can switch to and be passed through reducibility gas 1.It is of course also possible to use other, which can guarantee, provides protection gas
The reactor of body atmosphere and remaining type of heating environment.
In following embodiment, remaining raw produce or processing technique for not illustrating then shows to be this field
Conventional commercial raw material or Technology development.
Embodiment 1:
The preparation of self-supporting One-Dimensional Pure Pt nanowires
(1) 41.51 milligrams of potassium chloroplatinite powder is laid in quartz boat, enables powder sufficiently and in reactor
The gas contact being passed through.
(3) argon gas is introduced into reactor, after 15 minutes after air in reactor empties, introduces 5 percent hydrogen argon
Gaseous mixture, flow velocity are hydrogen/argon gas (10/190) ml/min.Meanwhile with the heating rate of 10 degrees celsius/minutes from room temperature
After being raised to 250 degrees Celsius, heat preservation 30 minutes, it is naturally cooling to room temperature.
(4) after reaction, argon gas is passed through to empty hydrogen remaining in reactor.Take out the solid powder after reduction
End is dispersed with deionized water, ultrasound after be centrifuged, this washing process repeat twice and then it is secondary by sample dispersion in anhydrous second
It is saved backup in alcohol.
Embodiment 2:
The preparation of the one-dimensional platinum nickel nano wire of self-supporting
(1) 41.51 milligrams of potassium chloroplatinite and 23.77 milligrams of Nickel dichloride hexahydrate are codissolved in 5 milliliters of deionizations
In water, ultrasound is placed in vacuum drying oven after ten minutes, is at 60 c evaporated moisture, and scraping obtains the double of pre-reaction object immediately
Metal precursor solid powder.
(2) above-mentioned bimetallic presoma solid powder is laid in quartz boat, enables powder sufficiently and in reactor
The gas contact being passed through.
(3) consistent in remaining step and embodiment 1.
Embodiment 3:
The preparation of the one-dimensional platinum Fe nanowire of self-supporting
(1) by 41.51 milligrams of potassium chloroplatinite and 19.88 milligrams of six chloride hydrate ferrous irons be codissolved in 5 milliliters go from
In sub- water, ultrasound is placed in vacuum drying oven after ten minutes, is at 60 c evaporated moisture, and scraping obtains pre-reaction object immediately
Solid powder.
(2) consistent in remaining step and embodiment 2.
Embodiment 4:
The preparation (1) of the one-dimensional platinum cobalt nanowire of self-supporting is by 41.51 milligrams of potassium chloroplatinite and 23.79 milligrams of six water
It closes cobalt chloride or 29.10 milligrams of cabaltous nitrate hexahydrate is codissolved in 5 ml deionized waters, ultrasound is placed in vacuum after ten minutes
Moisture is evaporated by baking oven at 60 c, and scraping obtains the solid powder of pre-reaction object immediately.
(2) consistent in remaining step and embodiment 2.Experimental result test shows to take the photograph temperature parameter 250 in step (2)
Family name's degree is adjusted to 200 degrees Celsius and 300 degrees Celsius and has little effect to the pattern of platinum cobalt nanowire.
Embodiment 5:
The preparation of the one-dimensional platinum scandium nano wire of self-supporting
(1) it is by concentration after 41.51 milligrams of potassium chloroplatinite, 8.56 milligrams of six chloride hydrate scandiums and 5mL dilution
1mol/L hydrochloric acid (hydrolysis for inhibiting six chloride hydrate scandiums) is codissolved in 5 ml deionized waters, and ultrasound is placed in vacuum after ten minutes
Moisture is evaporated by baking oven at 60 c, and scraping obtains the solid powder of pre-reaction object immediately.
(2) consistent in remaining step and embodiment 2.
Embodiment 6:
The preparation of the one-dimensional platinoid nano wire of self-supporting
(1) 41.51 milligrams of potassium chloroplatinite and 8.06 milligrams of Copper dichloride dihydrate are codissolved in 5 ml deionized waters
In, ultrasound is placed in vacuum drying oven after ten minutes, is at 60 c evaporated moisture, and scraping obtains the solid of pre-reaction object immediately
Powder.
(2) consistent in remaining step and embodiment 2.
Embodiment 7:
The preparation of the one-dimensional platinum zinc nano wire of self-supporting
It (1) is 1mol/L salt by concentration after 41.51 milligrams of potassium chloroplatinite, 5.38 milligrams of zinc sulfate and 5mL dilution
Acid (hydrolysis for inhibiting zinc sulfate) is codissolved in 5 ml deionized waters, and ultrasound is placed in vacuum drying oven after ten minutes, at 60 degrees Celsius
Lower to be evaporated moisture, scraping obtains the solid powder of pre-reaction object immediately.
(2) consistent in remaining step and embodiment 2.
Embodiment 8:
The preparation of the one-dimensional platinum stannum nanowire of self-supporting
(1) by 41.51 milligrams of potassium chloroplatinite, 6.32 milligrams of SnCl2It is 1mol/L hydrochloric acid with concentration after 5mL dilution
(inhibit SnCl2Hydrolysis) be codissolved in 5 ml deionized waters, ultrasound be placed in vacuum drying oven after ten minutes, at 60 c
Moisture is evaporated, scraping obtains the solid powder of pre-reaction object immediately.
(2) consistent in remaining step and embodiment 2.
Embodiment 9:
The preparation of the one-dimensional platinum tungsten nanowires of self-supporting
(1) 41.51 milligrams of potassium chloroplatinite and 6.13 milligrams of ammonium paratungstate are codissolved in 5 ml deionized waters,
Ultrasound is placed in vacuum drying oven after ten minutes, is at 60 c evaporated moisture, and scraping obtains the solid powder of pre-reaction object immediately
End.
(2) consistent in remaining step and embodiment 2.
Embodiment 10:
The preparation of the one-dimensional platinum nickel nano wire of titania supported
(1) 41.51 milligrams of potassium chloroplatinite and 23.77 milligrams of Nickel dichloride hexahydrate are codissolved in 5 milliliters of deionizations
In water, 80 milligrams of nano TiO 2 powder particle is added, ultrasound is placed in vacuum drying oven after ten minutes, at 60 c will
Moisture is evaporated, and scraping obtains the solid powder of pre-reaction object immediately.
(2) consistent in remaining step and embodiment 2.
Fig. 1 is the pattern and structural characterization of pure Pt nanowires made from example 1.Fig. 1-1 is the low power of cluster Pt nanowires
Transmission electron microscope characterization, the diameter of single Pt nanowires is about 3 nanometers.Fig. 1-2 is the high-resolution-ration transmission electric-lens of single Pt nanowires
Characterization, 0.226 nanometer of interplanar distance correspond to (111) crystal face of the Pt nanocrystal body with face-centered cubic crystal structure.Figure
1-3 is angle of elevation annular dark field-scanning transmission electron microscope characterization of atom definition, and the Fourier transformation in illustration shows platinum nanometer
The monocrystalline feature of line.Fig. 1-4 is the enlarged drawing that frame region is selected in Fig. 1-3.
Fig. 2 is the pattern of platinum nickel nano wire made from embodiment 2, structure and ingredient characterization.The low power transmission electron microscope of Fig. 2-1
Characterization proves that similar to pure Pt nanowires, diameter is about 3 nanometers.In the high-resolution-ration transmission electric-lens characterization of Fig. 2-2, crystal face
Spacing is 0.211 nanometer of (111) crystal face for corresponding to platinum-nickel alloy nano wire, and its spacing is slightly less than pure Pt nanowires.Fig. 2's -3
Angle of elevation annular dark field-scanning transmission electron microscope show platinum nickel nanowire surface have be made of { 111 } and { 100 } crystal face
Step and exposed crystal face.The Fourier transformation of illustration demonstrates the monocrystalline feature of platinum-nickel alloy nano wire.The element power spectrum of Fig. 2-4
Analysis chart shows platinum, two kinds of elements of nickel are uniformly distributed in nano wire.
3-1 corresponds to the low power transmission electron microscope picture of platinum Fe nanowire made from embodiment 3 in Fig. 3；3-2 and 3-3 is corresponding
It is saturating as the low power of platinum cobalt nanowire made from presoma using cobalt chloride hexahydrate or cabaltous nitrate hexahydrate respectively in applying example 4
Penetrate electron microscopic picture；3-4 corresponds to the low power transmission electron microscope picture for applying platinum scandium nano wire made from example 5；3-5, which corresponds to, applies the system of example 6
The low power transmission electron microscope picture of the platinoid nano wire obtained；3-6 corresponds to the low power transmission electron microscope for applying platinum zinc nano wire made from example 7
Picture；3-7 corresponds to the low power transmission electron microscope picture for applying platinum stannum nanowire made from example 8；3-8, which corresponds to, applies platinum made from example 9
The low power transmission electron microscope picture of tungsten nanowires；It shows preparation method of the present invention and can be adapted for a variety of one-dimensional platinum bases and receive
The synthesis of rice noodles.
4-1 and 4-2 corresponds respectively to Pt nanowires and platinum that titania support is carried on made from embodiment 10 in Fig. 4
Nickel nano wire, showing preparation method of the present invention may be equally applicable for the one-dimensional platinum base nano wire for being carried on carrier
Synthesis.
Fig. 5 is the electrocatalytic oxidation reproducibility of platinum nickel nano wire made from pure Pt nanowires made from example 1 and embodiment 2
Energy.The Pt nanowires and platinum-nickel alloy nano wire of this method preparation compare the electrocatalytic oxidation reducing property of business platinum carbon, and quality is living
Property has been respectively increased 5.1 times and 10.9 times, area activated that 8.5 times and 13.8 times have been respectively increased；In addition, being followed by 10000
After ring voltammetric scan, the minimum loss of mass activity only has 2.6%, shows stability excellent under acid condition.
In the above various embodiments, the temperature that heating carries out reduction reaction can also be adjusted to 300 DEG C, 350 DEG C.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas, which is characterized in that one-dimensional platinum base is received
Rice material is one-dimensional platinum nano material or one-dimensional platinum bimetallic nano material, wherein
The preparation process of the one-dimensional platinum nano material specifically: take noble metal platinum precursor powder to be placed in reactor, use
Inert gas empties in reactor after air, introduces reducibility gas, and heating carries out reduction reaction, the washing of gained reduzate
Afterwards, one-dimensional platinum nano material is obtained；
The preparation process of the one-dimensional platinum bimetallic nano material the following steps are included:
(1) take water-soluble noble metal platinum presoma and water-soluble base metal presoma molten altogether, vacuum drying is to get to uniformly
Mixed bimetallic presoma solid powder；
(2) bimetallic presoma solid powder obtained by step (1) is placed in reactor, is emptied and is reacted using inert gas
In device after air, reducibility gas is introduced, heating carries out reduction reaction and obtains one-dimensional platinum base after the washing of gained reduzate
Bimetal nano material.
2. a kind of method for assisting preparation platinum base nano material based on reducibility gas according to claim 1, feature
It is, in step (1), while noble metal platinum presoma is molten altogether with base metal presoma, hydrophilic carrier material can be also added
Material directly obtains the bimetallic presoma solid powder being carried on hydrophilic carrier material, then is made one-dimensional by step (2)
Platinum base nano material.
3. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 2,
It is characterized in that, the hydrophilic carrier material includes hydrophilic carbon dust or hydrophilic titanium dioxide nano particle.
4. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, the noble metal platinum presoma is potassium chloroplatinite, and base metal presoma is Nickel dichloride hexahydrate, six hydration chlorine
Change ferrous iron, cobalt chloride hexahydrate, cabaltous nitrate hexahydrate, six chloride hydrate scandiums, Copper dichloride dihydrate, zinc sulfate, zirconium sulfate, chlorination
Tin or ammonium paratungstate.
5. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, in step (1), it is deionized water, vacuum that noble metal platinum presoma, which is total to molten solvent for use with base metal presoma,
Dry temperature is 60 DEG C.
6. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, the inert gas is nitrogen or argon gas.
7. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, the reducibility gas is hydrogen.
8. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, the temperature that heating carries out reduction reaction is 300 DEG C ± 50 DEG C.
9. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
It is characterized in that, reduzate washing is washed with deionized to adopt.
10. a kind of method for assisting preparing one-dimensional platinum base nano material based on reducibility gas according to claim 1,
Be characterized in that, the position that noble metal platinum precursor powder or bimetallic presoma solid powder are placed in reactor guarantee its with it is rear
The continuous reducibility gas contact being passed through is abundant.
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| CN111438373A (en) * | 2020-05-27 | 2020-07-24 | 山西大同大学 | Preparation method of copper-silver core-shell structure bimetal spherical nanoparticles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1883853A (en) * | 2006-06-30 | 2006-12-27 | 苏州大学 | Platinum metal nano-particle size control growth method |
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| CN1883853A (en) * | 2006-06-30 | 2006-12-27 | 苏州大学 | Platinum metal nano-particle size control growth method |
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| YANLING MA等: "Platinum‐Based Nanowires as Active Catalysts toward Oxygen Reduction Reaction: In Situ Observation of Surface‐Diffusion‐Assisted, Solid‐State Oriented Attachment", 《ADVANCED MATERIALS》 * |
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| CN111438373A (en) * | 2020-05-27 | 2020-07-24 | 山西大同大学 | Preparation method of copper-silver core-shell structure bimetal spherical nanoparticles |
| CN111438373B (en) * | 2020-05-27 | 2022-11-22 | 山西大同大学 | Preparation method of copper-silver core-shell structure bimetal spherical nanoparticles |
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