CN106917080B - The preparation method of Ni-Au alloy nanotube - Google Patents
The preparation method of Ni-Au alloy nanotube Download PDFInfo
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Abstract
本发明提供一种Ni‑Au合金纳米管的制备方法，属于金属合金技术领域，以对苯二甲酸乙二酯聚合物为原料，经氢氧化钠溶液刻蚀孔洞，在SnCl2敏化溶液条件下吸附Sn2+离子，通过加入PdCl2活化液发生离子反应置换出Pd金属作为成核中心，加入化学Ni镀液和还原液，随后逐步滴加少量化学Au镀液，在50～90℃下反应1 h，去除聚合物模板后，得到Ni‑Au合金纳米管材料。该方法选用聚合物为原料，原料丰富，产量充足有保障，原料成本低，节能降耗。该聚合物具有抗蠕变性好，耐疲劳性强，耐摩擦性好以及尺寸稳定等优点，其内部酯键可以在强酸、强碱和水蒸汽作用下发生分解。使用简单的敏化、活化、化学镀方法，就可形成稳定的Ni‑Au合金纳米管。
The invention provides a preparation method of Ni-Au alloy nanotubes, which belongs to the technical field of metal alloys. The ethylene terephthalate polymer is used as a raw material, and holes are etched by sodium hydroxide solution, and the holes are etched in a SnCl 2 sensitized solution condition. The Sn 2+ ions are adsorbed down, and the Pd metal is replaced as a nucleation center by adding PdCl 2 activation solution to generate ionic reaction, adding chemical Ni plating solution and reducing solution, and then gradually adding a small amount of chemical Au plating solution, at 50 ~ 90 ℃ After the reaction for 1 h, after removing the polymer template, the Ni-Au alloy nanotube material was obtained. The method selects polymer as raw material, has abundant raw materials, sufficient and guaranteed output, low raw material cost, energy saving and consumption reduction. The polymer has the advantages of good creep resistance, strong fatigue resistance, good friction resistance and dimensional stability, and its internal ester bond can be decomposed under the action of strong acid, strong alkali and water vapor. Using simple sensitization, activation, and electroless plating methods, stable Ni-Au alloy nanotubes can be formed.
Description
Technical field
The present invention relates to field of metal alloy technology, specifically a kind of preparation method of Ni-Au alloy nanotube.
Background technique
Metal alloy nano material has certain perspective and wide application prospect.Its show apparent surface with
Interfacial effect, small-size effect, quantum size effect, macro quanta tunnel effect have very high using valence in terms of catalysis
Value.Alloy nano-material is usually that fine particle forms presence, and due to surface area with higher, free energy is larger, is using
It is easy to reunite in the process, leads to catalyst inactivation.Therefore researcher is being dedicated to always the research of metal nano-tube, leads to
It crosses different methods and has been successfully prepared different single metal nano-tubes.Two or more ideal alloy depends on
These types of metallic surface directionality and the unicity of plane of crystal etc..It is different meanwhile during preparing metal material
The rate of reduction of reducing agent, reaction temperature required for metal material and different metal in reduction process is also different,
Therefore, should be formed simultaneously two kinds of metals and keep the pattern of nanotube again is challenging research topic always.
Alloy nanotube is prepared mainly using AAO as template at present, and the preparation process of AAO compares energy consumption, and removes mould
The pollutants such as many soda acids can be generated during plate, are unfavorable for actual application.
United States Patent (USP) (US2016276280A1) describes one kind using copper as the ultra-thin multiple layer metal Nanoalloy material of substrate.
Copper alloy provides stress migration resistance for its alloy material and dielectric layer power prepares tungsten/copper alloy and/copper alloy.The method requirement
Preparation condition it is relatively complicated, have certain application limitation.
The charcoal that Japan Patent (JP2016070885A) describes a kind of alloy nanoparticle extremely improves its electrode performance.
Electric conductivity is improved by preparing metal alloy nano material, provides feasibility as good electrode for charcoal.Illustrate gold
Belonging to alloy material has certain application prospect and practical significance.
Russ P (RU2015110737A) describe one kind be attached on Ti-Al alloy formed crystalline nanometric it is porous
The method of oxide.The method is designed into electroplating technology, by preparing Ti-Al alloy powder, and cleans, dry, at anode
Reason forms nano-porous surface oxide.Electroplating effect is good, but consumed cost is higher, and be electroplated it is uneven, need to develop it is a kind of at
This is low, and plating method is uniform and efficient method.
A kind of crystallization of Co-Ni based alloy, Co-Ni based alloy of the Introduction To Cn Patent of Publication No. CN102400014A
Control method, the manufacturing method of Co-Ni based alloy and cerium sulphate crystal Co-Ni based alloy.The method is characterized in that, is contained
Co, Ni, Cr and Mo, structure with Gauss be orientated based on be orientated.The method hole difference crystalline texture prepares a variety of Ni based alloy materials
Material.The method is complicated for operation, at high cost, not environmentally, up for developing polymer raw material.
The Introduction To Cn Patent of Publication No. the CN105593382A a kind of preparation method and Fe of Fe Based Nanocrystalline Alloys
The preparation method of Based Nanocrystalline Alloys magnetic core.By can the Fe base amorphous alloy band of nano-crystallization be heated to crystallization temperature region simultaneously
Cooling heat treatment procedure is carried out, and applies magnetic field in the width direction of alloy strip.The method is simple and efficient, reproducible, can
It is prepared for most metals alloy material.The method has certain limitation, former up for developing a kind of polymer conduct
Material.
A kind of magnetic Nano with electro-oxidizing-catalyzing performance of the Introduction To Cn Patent of Publication No. CN105648478A
The preparation method of porous Fe-Pt alloy, belongs to new material technology field.Fe-Pt- is prepared using electric arc furnaces or induction melting furnace
(B, Si) is the presoma alloy strip that the preparation of alloy master alloy ingot has amorphous or amorphous nano crystal structure.This method technique
Simply, process is short, energy-efficient, but relatively high to the selectivity of metal, there is limitation, preparation process to be improved.
The Introduction To Cn Patent of the publication number CN1804118A method of chemical plating nickel-boron alloy on magnesium alloy surface.The method
Design a kind of AZ91D chemical plating nickel-boron alloy on magnesium alloy surface technique.Magnesium alloy is put by sodium carbonate, sodium phosphate and poly- second two
Washed after being handled in the solution of alcohol octyl phenyl ether composition, obtain magnesium alloy, will treated magnesium alloy is put by glacial acetic acid and
Sodium nitrate composition solution in handle after wash, chemical plating, by the magnesium alloy after alkali cleaning and pickling processes be put by nickel acetate,
Washing obtains Ni-B conjunction after chemical plating in the chemical plating solution that sodium borohydride, ethylenediamine, sodium hydroxide and compound additive form
Gold plate.It is low to provide a kind of process costs, it is easy to operate, it is environmentally friendly, it is excellent performance can be obtained in AZ91D Mg alloy surface
The process of different Electroless Deposited Ni-B Alloy coating.However preparation has the alloy material of certain pattern more meaningful and valence
Value.
The Chinese patent of Publication No. CN102366839A also describes a kind of preparing rod-like ferrocobalt alloy powder without adopting template
Method.It is distributed in divalent cobalt ion solution using the oxide that coprecipitation prepares iron, is restored into mixture, then
Mixed powder is centrifugated from solution and is come out, washing alcohol is washed, and is dried in vacuo, at dry powder under nitrogen protection heat
Reason obtains ferrocobalt granular powder.The invention method and process is simple, easy to operate, at low cost, gained alloying pellet is by uniform
Club shaped structure composition, stick diameter are 50-100 nm, have good electromagnetic wave absorption performance.However, passing through the simply side of preparation
Method develops a kind of reproducibility and differs that biggish two kinds of metal alloy compositions are more meaningful and application prospect.
It is received significant attention in conclusion common biomass film is selected to prepare metal nano alloy for raw material, simultaneously
Preparation process is simple, and time-saving energy-saving, efficiently easily industrialization is also concerned.The polymer that the present invention selects one kind common is to benzene two
Two ester film of formic acid second is raw material, etches pore structure through sensitization plays activation method, then through different chemical plating fluid and identical
Metallic reducing agent simply efficiently prepares the nano metal Ni-Au alloy material with abundant tubular morphology.
Summary of the invention
Technical assignment of the invention is to solve the deficiencies in the prior art, provides a kind of preparation side of Ni-Au alloy nanotube
Method.
The technical scheme is that realize in the following manner, the preparation method of the Ni-Au alloy nanotube is:
Using ethylene terephthalate polymer as raw material, hole is etched through sodium hydroxide solution, in SnCl2Sensitized solution
Under the conditions of adsorb Sn2+Ion, by the way that PdCl is added2Activating solution occurs ionic reaction and displaces Pd metal as nuclearing centre, adds
Enter chemical Ni plating solution and reducing solution, a small amount of chemistry Au plating solution is then gradually added dropwise, 1 h, removal polymerization are reacted at 50~90 DEG C
After object template, Ni-Au alloy nano tube material is obtained.
This method is specifically:
Select ethylene terephthalate polymer as template, 1~4M mol sodium hydroxide at 40~70 DEG C
5~30 min are etched under solution, and ultraviolet lamp then is carried out to its tow sides respectively and radiates 0.5~3 h, then in dimethyl formyl
5~20 min are impregnated in amine DMF solvent；
Via SnCl21~10 mL of ethyl alcohol of 50~200 mg, 90%-98wt%, the trifluoroacetic acid of titer 1.0mol/L
10~100 uL, the sensitized solution that 1~20 mL of deionized water is mixed impregnate 1~20 min；In SnCl2Sensitized solution item
Sn is adsorbed under part2+Ion；
Again via PdCl2100~300mg, 5~20 mL of deionized water, the activation that 20~100mg of NaCl is mixed
Solution impregnates 1~20 min；Ionic reaction occurs and displaces Pd metal as nuclearing centre；
Repeat sensitization, activation step 1~5 time；
By 50~100 mg of nickel sulfate；50~200 mg of iminodiacetic acid；100~300 μ L of NaOH solution of 32wt%；
1~20mL of deionized water mixes Ni plating solution；
Reducing solution is mixed by the hydrazine hydrate 255 μ L and 1~20 mL of deionized water of 40%-80wt%；
By the HAuCl of titer 1.0mol/L4200~600 μ L of solution；10~100 mg of 4-dimethylaminopyridine；Go from
Sub- 0.2~5 mL of water mixes Au plating solution；
By treated, film is put at 50~90 DEG C in the mixture of Ni plating solution and reducing solution, and with 200 μ L/30s speed
Au plating solution is added dropwise in degree, and reacts 0.5~3 h, after removing polymer template, obtains Ni-Au alloy nano tube material.
Sensitized solution is by SnCl290 mg, 3.3 mL of ethyl alcohol, 46 uL of trifluoroacetic acid, 6.7 mL of deionized water mixing and
At.
Activated solution is by PdCl247 mg of 218 mg, deionized water 10 mL, NaCl is mixed.
Ni plating solution is by 79 mg of nickel sulfate；93 mg of iminodiacetic acid；197 μ L of NaOH solution；3 mL of deionized water mixing
It forms.
Au plating solution is by HAuCl4368 μ L of solution；34 mg of 4-dimethylaminopyridine；1 mL of deionized water is mixed.
Reducing solution is by hydrazine hydrate 255 μ L and 3 mL of deionized water.
Generated beneficial effect is the present invention compared with prior art:
The preparation method of the Ni-Au alloy nanotube selects ethylene terephthalate polymer for raw material, abundant raw material,
Yield abundance is secure, and cost of material is low, energy-saving.Therefore exploitation thin polymer film prepares metal nano-tube for template and has
Very high researching value.The crystallization degree of polymer is critical issue, and the high polymer of crystallinity can make metal preferably attached
In polymer surfaces, form stable alloy material.Polyethylene terephthalate (PET) is a kind of crystal type saturation
Polyester, crystallinity is very high, is creamy white or light yellow.The polymer has creep resistance good, and fatigue durability is strong, and rub resistance is good
And the advantages that dimensionally stable, internal ester bond can decompose under strong acid, highly basic and water vapor acting, therefore select its work
For template, metal nano alloy material is efficiently prepared using simple method and is had practical significance and application value.
This method changes traditional production technology, uses simple sensitization, activation, chemical plating method, so that it may be formed steady
Fixed Ni-Au alloy nanotube.
This method selects identical reducing agent to make restoring for stabilized metal according to the reducing property of different metal, behaviour
Make efficiently, controllability is strong.
This method solution usage is few, and the reaction time is short, and time-consuming is few, consumes energy low, efficiently prepares Ni-Au alloy nanotube, shape
At stable Ni-Au alloy nano tube material, the application field of metal material is widened.
The preparation method design of the Ni-Au alloy nanotube is reasonable, safe and reliable, easy to operate, is easy to control, and has very
Good popularizing value.
Detailed description of the invention
Attached drawing 1 is the scanning electron microscope SEM figure of Ni-Au alloy nanotube obtained by the present invention.
Specific embodiment
The preparation method of Ni-Au alloy nanotube of the invention is described in detail below with reference to the accompanying drawing.
The preparation method of Ni-Au alloy nanotube of the invention is:
Using ethylene terephthalate polymer as raw material, hole is etched through sodium hydroxide solution, in SnCl2Sensitized solution
Under the conditions of adsorb Sn2+Ion, by the way that PdCl is added2Activating solution occurs ionic reaction and displaces Pd metal as nuclearing centre, adds
Enter chemical Ni plating solution and reducing solution, a small amount of chemistry Au plating solution is then gradually added dropwise, 1 h, removal polymerization are reacted at 50~90 DEG C
After object template, Ni-Au alloy nano tube material is obtained.
This method is specifically:
Select ethylene terephthalate polymer as template, 1~4M mol sodium hydroxide at 40~70 DEG C
5~30 min are etched under solution, and ultraviolet lamp then is carried out to its tow sides respectively and radiates 0.5~3 h, then in dimethyl formyl
5~20 min are impregnated in amine DMF solvent；
Via SnCl21~10 mL of ethyl alcohol of 50~200 mg, 90%-98wt%, the trifluoroacetic acid of titer 1.0mol/L
10~100 uL, the sensitized solution that 1~20 mL of deionized water is mixed impregnate 1~20 min；In SnCl2Sensitized solution item
Sn is adsorbed under part2+Ion；
Again via PdCl2100~300mg, 5~20 mL of deionized water, the activation that 20~100mg of NaCl is mixed
Solution impregnates 1~20 min；Ionic reaction occurs and displaces Pd metal as nuclearing centre；
Repeat sensitization, activation step 1~5 time；
By 50~100 mg of nickel sulfate；50~200 mg of iminodiacetic acid；100~300 μ L of NaOH solution of 32wt%；
1~20mL of deionized water mixes Ni plating solution；
Reducing solution is mixed by the hydrazine hydrate 255 μ L and 1~20 mL of deionized water of 40%-80wt%；
By the HAuCl of titer 1.0mol/L4200~600 μ L of solution；10~100 mg of 4-dimethylaminopyridine；Go from
Sub- 0.2~5 mL of water mixes Au plating solution；
By treated, film is put at 50~90 DEG C in the mixture of Ni plating solution and reducing solution, and with 200 μ L/30s speed
Au plating solution is added dropwise in degree, and reacts 0.5~3 h, after removing polymer template, obtains Ni-Au alloy nano tube material.
Embodiment 1:
It selects ethylene terephthalate as template, etches 5 min under 1 M sodium hydroxide solution at 50 DEG C, with
Ultraviolet lamp is carried out to its tow sides respectively afterwards and radiates 30 min, then impregnates 5 min in DMF solvent.Through sensitized solution
(SnCl246 uL of trifluoroacetic acid, 6.7 mL of deionized water of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 90wt%
Mix) 1 min of dipping, then activated solution (PdCl247 mg of 218 mg, deionized water 10 mL, NaCl) dipping 1
Min repeats sensitization activation step 5 times.By treated, film is put into (79 mg of nickel sulfate of Ni plating solution at 50 DEG C；Imino-diacetic
93 mg of acetic acid；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing) and reducing solution (the 255 μ L of hydrazine hydrate of 40wt%
In the mixture of 3 mL of deionized water), the Au plating solution (HAuCl of titer 1.0mol/L is added dropwise with 200 μ L/30s speed4It is molten
368 μ L of liquid；34 mg of 4-dimethylaminopyridine；1 mL of deionized water), and react 1 h.
Embodiment 2:
It selects ethylene terephthalate as template, etches 15 min under 2 M sodium hydroxide solutions at 60 DEG C, with
Ultraviolet lamp is carried out to its tow sides respectively afterwards and radiates 1 h, then impregnates 10 min in DMF solvent.Through sensitized solution (SnCl2
46 uL of trifluoroacetic acid of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 95wt%, 6.7 mL of deionized water mixing and
At) 7 min of dipping, then activated solution (PdCl247 mg of 218 mg, deionized water 10 mL, NaCl) 7 min of dipping, weight
It is sensitized activation step 4 times again.By treated, film is put into (79 mg of nickel sulfate of Ni plating solution at 60 DEG C；Iminodiacetic acid 93
mg；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing) and reducing solution (255 μ L of 60wt% hydrazine hydrate and deionization
3 mL of water) mixture in, with 200 μ L/30s speed be added dropwise Au plating solution (HAuCl4368 μ L of solution；4-dimethylaminopyridine 34
mg；1 mL of deionized water), and react 2 h.
Embodiment 3:
It selects ethylene terephthalate as template, etches 20 min under 3 M sodium hydroxide solutions at 40 DEG C, with
Ultraviolet lamp is carried out to its tow sides respectively afterwards and radiates 2 h, then impregnates 20 min in DMF solvent.Through sensitized solution (SnCl2
46 uL of trifluoroacetic acid of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 98wt%, 6.7 mL of deionized water mixing and
At) 12 min of dipping, then activated solution (PdCl247 mg of 218 mg, deionized water 10 mL, NaCl) 12 min of dipping,
Repeat sensitization activation step 3 times.By treated, film is put into (79 mg of nickel sulfate of Ni plating solution at 70 DEG C；Iminodiacetic acid
93 mg；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing) and reducing solution (the 255 μ L of hydrazine hydrate of 80wt% with go
3 mL of ionized water) mixture in, with 200 μ L/30s speed be added dropwise the Au plating solution (HAuCl of titer 1.0mol/L4Solution 368
μL；34 mg of 4-dimethylaminopyridine；1 mL of deionized water), and react 0.5 h.
Embodiment 4:
It selects ethylene terephthalate as template, etches 30 min under 4 M sodium hydroxide solutions at 70 DEG C, with
Ultraviolet lamp is carried out to its tow sides respectively afterwards and radiates 2.5 h, then impregnates 15 min in DMF solvent.Through sensitized solution
(SnCl246 uL of trifluoroacetic acid, 6.7 mL of deionized water of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 90wt%
Mix) 18 min of dipping, then activated solution (PdCl247 mg of 218 mg, deionized water 10 mL, NaCl) dipping
18 min repeat sensitization activation step 2 times.By treated, film is put into (79 mg of nickel sulfate of Ni plating solution at 80 DEG C；Imido
93 mg of base oxalic acid；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing) and the reducing solution (hydrazine hydrate of 80wt%
3 mL of 255 μ L and deionized water) mixture in, with 200 μ L/30s speed be added dropwise Au plating solution (titer 1.0mol/L's
HAuCl4HAuCl4368 μ L of solution；34 mg of 4-dimethylaminopyridine；1 mL of deionized water), and react 2.5 h.
Embodiment 5:
It selects ethylene terephthalate as template, etches 25 min under 2 M sodium hydroxide solutions at 40 DEG C, with
Ultraviolet lamp is carried out to its tow sides respectively afterwards and radiates 3 h, then impregnates 15 min in DMF solvent.Through sensitized solution (SnCl2
46 uL of trifluoroacetic acid of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 98wt%, 6.7 mL of deionized water mixing and
At) 20 min of dipping, then activated solution (PdCl247 mg of 218 mg, deionized water 10 mL, NaCl) 20 min of dipping,
Repeat sensitization activation step 1 time.By treated, film is put into (79 mg of nickel sulfate of Ni plating solution at 90 DEG C；Iminodiacetic acid
93 mg；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing) and reducing solution (255 μ L of 80wt% hydrazine hydrate with go from
Sub- 3 mL of water) mixture in, with 200 μ L/min speed be added dropwise the Au plating solution (HAuCl of titer 1.0mol/L4368 μ of solution
L；34 mg of 4-dimethylaminopyridine；1 mL of deionized water), and react 3 h.See attached drawing 1.
Claims (7)
- The preparation method of 1.Ni-Au alloy nanotube, it is characterised in that this method is to be with ethylene terephthalate polymer Raw material etches hole through sodium hydroxide solution, in SnCl2Sn is adsorbed under the conditions of sensitized solution2+Ion, by the way that PdCl is added2It is living Change liquid generation ionic reaction and displace Pd metal as nuclearing centre, chemistry Ni plating solution and reducing solution is added, is then gradually added dropwise A small amount of chemistry Au plating solution, reacts 1 h at 50~90 DEG C, after removing polymer template, obtains Ni-Au alloy nano tube material；The step of this method includes:Select ethylene terephthalate polymer as template, 1~4M mol sodium at 40~70 DEG C 5~30 min of lower etching then carry out ultraviolet lamp to its tow sides respectively and radiate 0.5~3 h, then in dimethylformamide 5~20 min are impregnated in DMF solvent；Via SnCl2The trifluoroacetic acid 10 of ethyl alcohol 1~10 mL, titer 1.0mol/L of 50~200 mg, 90%-98wt%~ 100 uL, the sensitized solution that 1~20 mL of deionized water is mixed impregnate 1~20 min；In SnCl2Under the conditions of sensitized solution Adsorb Sn2+Ion；Again via PdCl2100~300mg, 5~20 mL of deionized water, the activated solution leaching that 20~100mg of NaCl is mixed 1~20 min of stain；Ionic reaction occurs and displaces Pd metal as nuclearing centre；Repeat sensitization, activation step 1~5 time；By 50~100 mg of nickel sulfate；50~200 mg of iminodiacetic acid；100~300 μ L of NaOH solution of 32wt%；Go from Sub- 1~20mL of water mixes Ni plating solution；Reducing solution is mixed by the hydrazine hydrate 255 μ L and 1~20 mL of deionized water of 40%-80wt%；By the HAuCl of titer 1.0mol/L4200~600 μ L of solution；10~100 mg of 4-dimethylaminopyridine；Deionized water 0.2~5 mL mixes Au plating solution；By treated, film is put at 50~90 DEG C in the mixture of Ni plating solution and reducing solution, and with 200 μ L/30s speed drop Add Au plating solution, and react 0.5~3 h, after removing polymer template, obtains Ni-Au alloy nano tube material.
- The preparation method of 2.Ni-Au alloy nanotube, it is characterised in that this method is to be with ethylene terephthalate polymer Raw material etches hole through sodium hydroxide solution, in SnCl2Sn is adsorbed under the conditions of sensitized solution2+Ion, by the way that PdCl is added2It is living Change liquid generation ionic reaction and displace Pd metal as nuclearing centre, chemistry Ni plating solution and reducing solution is added, is then gradually added dropwise A small amount of chemistry Au plating solution, reacts 1 h at 50~90 DEG C, after removing polymer template, obtains Ni-Au alloy nano tube material；The step of this method includes:It selects ethylene terephthalate polymer as template, is etched under 1~4 M sodium hydroxide solution at 40~70 DEG C 5~30 min then carry out ultraviolet lamp to its tow sides respectively and radiate 0.5~3 h, then in dimethylformamide DMF solvent 5~20 min of middle dipping；Via SnCl246 uL of trifluoroacetic acid of ethyl alcohol 3.3 mL, titer 1.0mol/L of 90 mg, 90%-98wt%, go from The sensitized solution that sub- 6.7 mL of water is mixed impregnates 1~20 min；In SnCl2Sn is adsorbed under the conditions of sensitized solution2+Ion；Again via PdCl2The activated solution dipping 1~20 that 47 mg of 218 mg, deionized water 10 mL, NaCl is mixed min；Ionic reaction occurs and displaces Pd metal as nuclearing centre；Repeat sensitization, activation step 1~5 time；By 79 mg of nickel sulfate；93 mg of iminodiacetic acid；The 197 μ L of NaOH solution of 32wt%；3 mL of deionized water mixing and At Ni plating solution；Reducing solution is mixed by the hydrazine hydrate 255 μ L and 3 mL of deionized water of 40%-80wt%；By the HAuCl of titer 1.0mol/L4368 μ L of solution；34 mg of 4-dimethylaminopyridine；1 mL of deionized water mixing and At Au plating solution；By treated, film is put at 50~90 DEG C in the mixture of Ni plating solution and reducing solution, and with 200 μ L/30s speed drop Add Au plating solution, and react 0.5~3 h, after removing polymer template, obtains Ni-Au alloy nano tube material.
- 3. sensitized solution used in a kind of preparation method of Ni-Au alloy nanotube according to claim 1 or 2, Be characterized in that: sensitized solution is by SnCl23.3 mL of ethyl alcohol of 90 mg, 90%-98wt%, the trifluoroacetic acid of titer 1.0mol/L 46 uL, 6.7 mL of deionized water are mixed.
- 4. activated solution used in a kind of preparation method of Ni-Au alloy nanotube according to claim 1 or 2, Be characterized in that: activated solution is by PdCl247 mg of 218 mg, deionized water 10 mL, NaCl is mixed.
- 5. Ni plating solution used in a kind of preparation method of Ni-Au alloy nanotube according to claim 1 or 2, special Sign is: Ni plating solution is by 79 mg of nickel sulfate；93 mg of iminodiacetic acid；The 197 μ L of NaOH solution of 32wt%；Deionized water 3 ML is mixed.
- 6. Au plating solution used in a kind of preparation method of Ni-Au alloy nanotube according to claim 1 or 2, special Sign is: Au plating solution by titer 1.0mol/L HAuCl4368 μ L of solution；34 mg of 4-dimethylaminopyridine；Deionized water 1 ML is mixed.
- 7. reducing solution used in a kind of preparation method of Ni-Au alloy nanotube according to claim 1 or 2, special Sign is: reducing solution by 40%-80wt% hydrazine hydrate 255 μ L and 3 mL of deionized water.
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