CN108705099A - A kind of preparation method of nanometer rods tufted Pt - Google Patents
A kind of preparation method of nanometer rods tufted Pt Download PDFInfo
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- CN108705099A CN108705099A CN201810523887.0A CN201810523887A CN108705099A CN 108705099 A CN108705099 A CN 108705099A CN 201810523887 A CN201810523887 A CN 201810523887A CN 108705099 A CN108705099 A CN 108705099A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 103
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 5
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 33
- 230000003647 oxidation Effects 0.000 abstract description 11
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000004220 aggregation Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 12
- 238000006555 catalytic reaction Methods 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000010411 electrocatalyst Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 at the nanoscale Substances 0.000 description 1
- HRHBQGBPZWNGHV-UHFFFAOYSA-N azane;bromomethane Chemical compound N.BrC HRHBQGBPZWNGHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000970 chrono-amperometry Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005695 dehalogenation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000001548 drop coating Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
Classifications
-
- 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
- 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
-
- B01J35/40—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/0553—Complex form nanoparticles, e.g. prism, pyramid, octahedron
-
- 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
- B22F1/07—Metallic powder characterised by particles having a nanoscale microstructure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
Abstract
The invention discloses a kind of preparation methods of nanometer rods tufted Pt.High fatty amine heating is fused into colorless cleared solution;Acetylacetone,2,4-pentanedione platinum is added, is ultrasonically treated to pistac clear solution at 55 DEG C or more;Then it is placed directly in 165-180 DEG C of environment and reacts 6-12h, centrifuge, washing.The present invention synthesizes nanometer rods tufted Pt materials by the hot method of oil phase solvent, and it is not necessary that template CTAB is added.Compared with prior art, synthesized nanometer rods tufted Pt central solids region is smaller, can expose more active sites.The nanometer rods tufted Pt aggregations of synthesis are loose, there is larger specific surface area, and the mass activity and specific activity to methanol oxidation are respectively 616mA/mg and 2.46mA/cm2, it is 4.17 times and 6 times of business Pt/C respectively.
Description
Technical field
The invention belongs to technical field of nano material, and in particular to the preparation method of nanometer rods tufted Pt.
Background technology
Alloy platinum material is applied and its extensively due to high catalytic activity and in modern industrial production.In traditional industry production practices
In, platinum can make catalyst in the chemical reactions such as hydrogenation, dehydrogenation, isomerization, cyclisation, dehydration, dehalogenation, oxidation, cracking, existing
For in new energy field, the various electrocatalysis materials based on platinum become the substantive key for promoting efficiency of energy utilization.So
And as one of element most rare in the earth's crust (5/100000000ths), platinum catalyst cost is high.Therefore, how substance improves
The catalytic activity and stability of platinum, have been a hot spot of research.
Size and structure are the key factor of the catalytic activity and stability that influence material, at the nanoscale, Platinum Nanoparticles
It presents compared with macroscopic material physical and chemical performance more outstanding.The excellent properties of nanometer alloy platinum material make the size and form knot of platinum
Structure regulation and control are as the focus studied.With the fast development of nanotechnology, crystal seed method, High temperature solution phase reduction method, template, electrification
It learns the synthetic technologys such as synthesis gradually to be developed, the regulation and control of platinum nanostructure are also more and more perfect.
In the report of numerous achievements in research, entirety of the structures such as nanometer rods, nano wire, nanotube due to its self-supporting
Structure not only exposes more nanostructures and surface-active atom, while its overall structure can effectively prevent nano-particle
Reunite again, to show higher catalytic activity and stability.
By the nanometer rods clustering architecture for the platinum that template can be prepared, cetyl three is added in Lou etc. in oleyl amine solution
Chloroplatinic acid is reduced into the Pt with nanometer rods tufted, dimensional structure by methyl bromide ammonium (CTAB) by the hot method of oil phase solvent
There is very strong dependence to template CTAB, random polypod structure platinum can only be prepared when being added without CTAB, works as CTAB
When content is excessive, very short nanometer rods tufted Pt can be only formed.
Invention content
Present invention aims at provide one kind nanometer rods tufted Pt being made by simple controlling reaction temperature and reaction time
Method, by the nanometer rods tufted Pt of preparation apply electro-catalysis methanol oxidation in, catalytic performance is excellent.
In order to achieve the above objectives, as follows using technical solution:
A kind of preparation method of nanometer rods tufted Pt, includes the following steps:
High fatty amine heating is fused into colorless cleared solution;Acetylacetone,2,4-pentanedione platinum is added, is ultrasonically treated at 55 DEG C or more
To pistac clear solution;Then it is placed directly in 165-180 DEG C of environment and reacts 6-12h, centrifuge, washing.
By said program, the high fatty amine includes octadecylamine or cetylamine.
By said program, the mass ratio of acetylacetone,2,4-pentanedione platinum and high fatty amine is 1:(80-500).
By said program, it is placed in 170 DEG C of environment and reacts 10h.
By said program, the preferred mass ratio of acetylacetone,2,4-pentanedione platinum and high fatty amine is 1:440.
Acetylacetone,2,4-pentanedione platinum used in the present invention is the complex compound of divalent platinum and acetylacetone,2,4-pentanedione, and high fatty amine is solvent, reduction
Agent and template, since acetylacetone,2,4-pentanedione not only as platinum source but also had served as in the reaction system and prepares the template of nanometer rods tufted Pt,
Preparation method thus is simplified without the CTAB being additionally added in other templates such as technical background in reaction system, while
Help to obtain the uniform nanometer rods tufted Pt of morphology and size.
Beneficial effects of the present invention:
The present invention synthesizes nanometer rods tufted Pt materials by the hot method of oil phase solvent, and it is not necessary that template CTAB is added.
Compared with prior art, the present invention synthesized nanometer rods tufted Pt central solids region is smaller, can expose more
More active sites.
The nanometer rods tufted Pt aggregations that the present invention synthesizes are loose, there is larger specific surface area.
The nanometer rods tufted Pt specific activities that the present invention synthesizes are high, and the mass activity and specific activity to methanol oxidation are respectively
616mA/mg and 2.46mA/cm2, it is 4.17 times and 6 times of business Pt/C respectively.
The electrochemical stability for the nanometer rods tufted Pt that the present invention synthesizes is higher than business Pt/C.
Description of the drawings
Fig. 1:The SEM figures of nanometer rods tufted Pt obtained in embodiment 1.
Fig. 2:The cyclic voltammetry curve figure of nanometer rods tufted Pt obtained in embodiment 1.
Fig. 3:The electro-catalysis methanol oxidation susceptibility figure of nanometer rods tufted Pt obtained in embodiment 1.
Fig. 4:Nanometer rods tufted Pt and business platinum carbon performance comparison figure obtained in embodiment 1.
Fig. 5:The chronoamperogram of nanometer rods tufted Pt obtained in embodiment 1.
Fig. 6:The SEM figures of nanometer rods tufted Pt obtained in embodiment 2
Specific implementation mode
Following embodiment further illustrates technical scheme of the present invention, but not as limiting the scope of the invention.
Embodiment 1
A kind of preparation method of nanometer rods tufted Pt, includes the following steps:
3.53g octadecylamines are placed in glass scre-cap reagent bottle, colorless cleared solution is melted in 60 DEG C of heating;
8mg acetylacetone,2,4-pentanedione platinum is added in the colorless cleared solution, in 60 DEG C or more ultrasounds to pistac clear solution;
Above-mentioned clarification mixed solution is placed in 170 DEG C of oil bath pans and reacts 10h.After the reaction was complete, reactant after cooling
System is in solid-state, is melted after about 60 DEG C of heating, and it is 8 that appropriate prepared ethyl alcohol, which is added, with hexamethylene volume ratio:1 mixing is molten
Liquid fully washs three after washing five times or more in 8000 or more centrifugation 10min or more per minute after oscillation washing with absolute ethyl alcohol
More than secondary.Product after cleaning is dispersed in 1ml absolute ethyl alcohols to follow-up test.
The present embodiment prepares the SEM figures of nanometer rods tufted Pt with reference to shown in attached drawing 1, and nanometer rods tufted Pt is radial, whole
Body size is about 100nm to 150nm, and each nanometer rods cluster is about made of 10 to 30 nanometer rods, and each nanometer rods are about 50nm
To 100nm, each nanorod diameter is about 5nm to 10nm, and nanometer rods tufted structure is uniform, and dispersion degree is small, each nanometer rods
Nanometer rods are orientated uniform on cluster.
The present embodiment prepares the cyclic voltammetry curve figure of nanometer rods tufted Pt with reference to shown in attached drawing 2:The Pt nanometers of preparation
The electrochemical surface area of stick cluster is 25.1m2/ g, the electrochemical surface area less than business Pt/C are 62.4m2/g。
Electro-catalysis methanol oxidation susceptibility is tested, and is included the following steps:
(1) preparation of electrocatalyst inks.By nanometer rods tufted Pt aqueous solution ultrasonic disperses, and by inductive coupling etc. from
Sub-light spectrometer tests its concentration, and nanometer rods tufted Pt aqueous solutions are added in a certain amount of business carbon dust Vulcan XC-72, make Pt/C
Mass ratio is about 20%, and ultrasonic 2h is uniformly dispersed.
(2) electrocatalyst inks drop coating is on glass-carbon electrode.One layer of elctro-catalyst is uniformly coated first on glass-carbon electrode
Ink, it is 15.3 μ g/cm to make its Pt loading2, after natural drying, then a concentration of 0.5% isopropanol dissolvings of 5 μ L are added dropwise
Nafion solution spontaneously dries.
(3) electro-catalysis methanol oxidation susceptibility is tested.It is surveyed using the three-electrode system of Shanghai Chen Hua electrochemical workstation
Examination, using Ag/AgCl as reference electrode, platinized platinum is to be filled with saturation N to electrode20.1mol/L HClO4Middle test loop volt
Pacify curve, it is 50mV/s to sweep speed, is being filled with saturation N20.1mol/L HClO4With the CH of 1mol/L3It is tested in OH mixed solutions
Methanol aoxidizes, and it is 50mV/s to sweep speed, obtains the cyclic voltammetry curve figure of Fig. 2.Using chronoamperometry, it is in relative standard's hydrogen electrode
Measuring stability under the voltage of 0.7V, testing time 3000s obtain the chronoamperogram of Fig. 5.Nanometer rods tufted Pt obtained
Electro-catalysis methanol oxidation susceptibility figure as shown in Figure 3.
Nanometer rods tufted Pt made from the present embodiment and business platinum carbon performance comparison figure are as shown in Figure 4.In electro-catalysis methanol
In oxidation test, the electrochemical surface area of business Pt/C is 62.4m2/ g, the electrification of the nanometer rods clustering architecture Pt in experimental example 1
Active area is 25.1m2/ g, it is smaller than business Pt/C, but for the mass activity and specific activity of methanol oxidation, nanometer rods cluster
Structure Pt is respectively 616mA/mg and 2.46mA/cm2, it is 4.17 times and 6 times of business Pt/C, stability test electric current respectively
Also higher than business Pt/C, it follows that nanometer rods clustering architecture Pt its electro-catalysis methanol oxidation susceptibility prepared by the present invention is compared
Business Pt/C has significantly to be promoted very much.
Embodiment 2
A kind of preparation method of nanometer rods tufted Pt metal, includes the following steps:
3.45g cetylamines are placed in glass scre-cap reagent bottle, and 55 DEG C of heating are melted to colorless cleared solution;
8mg acetylacetone,2,4-pentanedione platinum is added in the colorless cleared solution, in 60 DEG C or more ultrasounds to pistac clear solution;
Above-mentioned clarification mixed solution is placed in 170 DEG C of oil bath pans and reacts 10h.
Preparation method described in the present embodiment can effectively prepare nanometer rods tufted Pt, from the SEM figures of Fig. 6 can from
It is radial structure to nanometer rods tufted Pt, overall dimensions are 200nm to 250nm, and each nanometer rods tufted Pt is about by 20
It is formed to 50 nanometer rods, each nanometer rods are about 75nm to 125nm, and diameter is about 5nm to 10nm, and nanometer rods tufted structure
Uniform, dispersion degree is small, and nanometer rods are orientated uniform on each nanometer rods cluster.Compared with octadecylamine is added in embodiment 1, club shaped structure
Relative compact, and the opposite increase of overall dimensions.
Claims (5)
1. a kind of preparation method of nanometer rods tufted Pt, it is characterised in that include the following steps:
High fatty amine heating is fused into colorless cleared solution;Acetylacetone,2,4-pentanedione platinum is added, is ultrasonically treated to light at 55 DEG C or more
Yellow green clear solution;Then it is placed directly in 165-180 DEG C of environment and reacts 6-12h, centrifuge, washing.
2. the preparation method of nanometer rods tufted Pt as described in claim 1, it is characterised in that the high fatty amine includes ten
Eight amine or cetylamine.
3. the preparation method of nanometer rods tufted Pt as described in claim 1, it is characterised in that acetylacetone,2,4-pentanedione platinum and high fatty amine
Mass ratio be 1:(80-500).
4. the preparation method of nanometer rods tufted Pt as described in claim 1, it is characterised in that be placed in 170 DEG C of environment and react 10h.
5. the preparation method of nanometer rods tufted Pt as described in claim 1, it is characterised in that acetylacetone,2,4-pentanedione platinum and high fatty amine
Mass ratio be 1:440.
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Cited By (1)
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CN113369492A (en) * | 2021-06-09 | 2021-09-10 | 合肥工业大学 | Quintuple twin crystal platinum nanorod and preparation method thereof |
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CN104190919A (en) * | 2014-09-01 | 2014-12-10 | 中国科学院长春应用化学研究所 | Platinum nano particle and preparation method thereof |
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KR20140118256A (en) * | 2013-03-28 | 2014-10-08 | 인텔렉추얼디스커버리 주식회사 | Platinum-based nanorod with platinum dendrimer and method of preparing the same |
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Non-Patent Citations (1)
Title |
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GHOSH, S等: "Shape-regulated high yield synthesis of electrocatalytically active branched Pt nanostructures for oxygen reduction and methanol oxidation reactions", 《JOURNAL OF MATERIALS CHEMISTRY》 * |
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