CN107746041A - Ternary metal hydridization PtNiTe porous magnetics nano wire and preparation, application - Google Patents
Ternary metal hydridization PtNiTe porous magnetics nano wire and preparation, application Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of magnetic telluride nickel nano wire, comprise the following steps：Tellurous acid or tellurite are added in nickel salt aqueous solution, stirring obtains turbid solution；Hydrazine hydrate solution is added dropwise into turbid solution, it is that sepia or brown obtain mixed solution to stir to solution；Mixed solution is subjected to hydro-thermal reaction, hydrothermal temperature is 100~140 DEG C, and the hydro-thermal reaction time is 4~12h, washing, is dried to obtain magnetic telluride nickel nano wire.The invention also discloses above-mentioned magnetic telluride nickel nano wire.The invention also discloses a kind of ternary metal hydridization PtNiTe porous magnetic nano wires.The invention also discloses the preparation method of above-mentioned ternary metal hydridization PtNiTe porous magnetic nano wires.The invention also discloses the application of above-mentioned ternary metal hydridization PtNiTe porous magnetic nano wires.
Description
Technical field
The present invention relates to monodimension nanometer material technical field, more particularly to a kind of magnetic telluride nickel nano wire and its preparation side
Method, a kind of ternary metal hydridization PtNiTe porous magnetics nano wire and preparation method, application.
Background technology
Tellurium is classified as one of 16 kinds of clear energy sources materials by the U.S. " material genome plan ".Metal telluride due to
The characteristics such as excellent optics, electricity, catalysis, are widely used in the fields such as thermoelectricity, photocatalysis, electronic device, solar cell；
Nickel and its compound are often used in the catalysis sensitive layer of electrochemical electrode and solar cell because of its catalytic performance；Platinum is expensive
Metallochemistry stable performance, there is excellent catalytic performance.Nano magnetic material is as a kind of novel magnetic materials, because it has
The characteristics such as giant magnetoresistance effect, high magnetic permeability, low-loss, high saturation and magnetic intensity, are applied in medical target, magnetic electronic sensor
The fields such as part.Porous nanometer material has in porous electrode, absorption etc. and widely should due to the specific surface area with superelevation
With.
The nano material that noble metal is formed with metal telluride hydridization combines both feature performance benefits, in electrochemical sensing
There is important application in the fields such as device, solar cell, micro-nano electronic device, medical target.For example, S.H.Han etc. uses solwution method
It is prepared for Au:CdTe nanometer crystalline, using its excellent photostability, use it for the probe of noninvasive live cell fluorescent imaging technique
[J.Nanosci.Nano.2011,11,10302-10308]；M.M.Rabbani etc. is using between Au and CdTe nano particles
Electrostatic interaction has synthesized Au/CdTe nano composite materials [Trans.Nonferrous Met.Soc.China 2013,23,426-
432]；A.E.Ragab etc. using wet chemical method synthesized Ag/CdTe quantum dots [Opt.Laser Technol.2014,63,
8–12]；S.C.Xu etc. using LBL technologies synthesized CdTe/Ni fluorescent magnetic particles [Adv.Mater.Res.2011,217,
216-219]。
The research report of porous material containing Ni or Pt is more.For example, X.Liu etc. has synthesized porous core shell structure PdNi@
Pt, methanol electro-oxidizing [Scientific reports, 2015,5,7619] is realized using its high catalytic performance；The profits such as J.B.Wu
TiO2/NiO nano stick arrays have been synthesized with the method for hydro-thermal and electro-deposition, by Electrochemical Detection, have been shown preferably
Capacitive property [J.Power Sources 2013,243,317-322]；S.B.Wang etc. has synthesized Pt-M using oxidation-reduction method
(M=Cu, Zn, Ni) porous nano particle, by detecting methanol, it shows extremely strong catalytic performance
[Chem.Commun.2013,49,7168-70]。
It is actually rare by preparing for noble metal and magnetic metal tellurides, also have no and formed on ternary Pt, Ni, Te hydridization
Porous nanometer structure.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of ternary metal hydridization PtNiTe porous magnetics
Nano wire and preparation method, application, technique is simple, and without using any dispersant and surfactant, preparation process is easily controlled,
Sample post processing is simple；Gained ternary metal hydridization PtNiTe porous magnetic nano wires have tactical rule, topography uniformity good
The features such as.
A kind of preparation method of magnetic telluride nickel nano wire proposed by the present invention, comprises the following steps：
S1, tellurous acid or tellurite added in nickel salt aqueous solution, stirring obtains turbid solution；
S2, hydrazine hydrate solution is added dropwise into turbid solution, it is that sepia or brown obtain mixed solution to stir to solution；
S3, mixed solution carrying out to hydro-thermal reaction, hydrothermal temperature is 100~140 DEG C, the hydro-thermal reaction time is 4~
12h, washing, is dried to obtain magnetic telluride nickel nano wire.
In embodiment, in S3 hydrothermal temperature can be 100 DEG C, 105 DEG C, 108 DEG C, 110 DEG C, 112 DEG C,
115 DEG C, 117 DEG C, 118 DEG C, 120 DEG C, 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C, in S3 the hydro-thermal reaction time can be 4h, 5h,
6h、7h、8h、8.2h、8.5h、8.8h、9h、9.5h、10h、10.2h、10.5h、11h、11.5h、12h。
After adding hydrazine hydrate in S2 of the present invention, solution colour undergoes successively：Colourless, green, grey, brown or sepia.
Preferably, in S1, the mol ratio of tellurious acid ion and nickel ion is 0.5~1：1.
Preferably, in S1, nickel salt is nickel sulfate, nickel chloride or nickel acetylacetonate.
Preferably, in S2, the mass fraction of hydrazine hydrate solution is 25~30wt%.
Preferably, in S2, the pH value of mixed solution is 8~10.
The above-mentioned magnetic telluride nickel nano wire that the present invention also proposes, using the preparation method of above-mentioned magnetic telluride nickel nano wire
It is made.
A kind of preparation method for ternary metal hydridization PtNiTe porous magnetic nano wires that the present invention also proposes, including it is following
Step：Above-mentioned magnetic telluride nickel nano wire is added in the platiniferous ionic compound aqueous solution, shaking table, which is reacted to solution, to be clarified, and is obtained
Ternary metal hydridization PtNiTe porous magnetic nano wires.
Preferably, the mass volume ratio (mg/mL) of above-mentioned magnetic telluride nickel nano wire and platiniferous the ionic compound aqueous solution
For 1~5：1, the mass fraction of the platiniferous ionic compound aqueous solution is 0.01~0.05wt%.
Preferably, platiniferous ionic compound is chloroplatinic acid or chloroplatinate.
Preferably, shaking table reaction temperature is 30~50 DEG C, and the shaking table reaction time is 6~24h.
Preferably, the mass ratio of above-mentioned magnetic telluride nickel nano wire and platiniferous ionic compound and shaking table reaction time are into anti-
Than.
The above-mentioned ternary metal hydridization PtNiTe porous magnetic nano wires that the present invention also proposes, it is miscellaneous using above-mentioned ternary metal
The preparation method for changing PtNiTe porous magnetic nano wires is made.
The above-mentioned ternary metal hydridization PtNiTe porous magnetics nano wire that the present invention also proposes is used for micro-nano electronics in preparation
Device, biochemical sensor, solar cell nano material in application.
The preparation technology of the present invention is simple, and without using any dispersant and surfactant, preparation process is easily controlled, sample
Product post processing is simple；Gained ternary metal hydridization PtNiTe porous magnetic nano wires of the invention have tactical rule, pattern homogeneous
The features such as property is good.
Gained ternary metal hydridization PtNiTe porous magnetics nano wire of the invention will be micro-nano electronic device, biochemical sensitive
Device, solar cell etc. provide novel magnetic porous one-dimensional nano material.
Brief description of the drawings
Fig. 1 is that the magnetic of the gained magnetic telluride nickel nano wire of the embodiment of the present invention 1 tests picture.Magnet is by synthesis in figure
Product is adsorbed onto on chamber wall, it was demonstrated that product has magnetic.
Fig. 2 is the panoramic scanning electronics of the gained ternary metal hydridization PtNiTe porous magnetic nano wires of the embodiment of the present invention 1
Microscope figure.
Fig. 3 is the transmission electron microscope picture of the gained ternary metal hydridization PtNiTe porous magnetic nano wires of the embodiment of the present invention 1.
Fig. 4 is the X-ray diffractogram of the gained ternary metal hydridization PtNiTe porous magnetic nano wires of the embodiment of the present invention 1.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, comprises the following steps：
S1, by 0.476g Nickel dichloride hexahydrates add 10ml deionized waters in, magnetic agitation is completely dissolved it, adds
0.224g sodium tellurites, magnetic agitation obtain turbid solution；
S2, the hydrazine hydrate solution that 5ml mass fractions are 25wt% is added dropwise into turbid solution, it is sepia to stir to solution
Or brown obtains mixed solution；
S3, mixed solution is transferred in autoclave, and puts it into and hydro-thermal reaction, water are carried out in heated at constant temperature case
Thermal response temperature is 120 DEG C, the hydro-thermal reaction time 10h, and gained sediment used into water and ethanol eccentric cleaning respectively, dry
To magnetic telluride nickel nano wire；
S4, will 1g chloroplatinic acids put into 100ml deionized waters in dissolving obtain mass fraction be 1wt% platinum acid chloride solution,
Then it is diluted to the platinum acid chloride solution that mass fraction is 0.02wt% with deionized water；It is to 10ml mass fractions
20mg magnetic telluride nickel nano wires are added in 0.02wt% platinum acid chloride solution, shaking table reacts 5h and clarified to solution, and shaking table reacts
Temperature is 40 DEG C, obtains ternary metal hydridization PtNiTe porous magnetic nano wires.
Magnetic telluride nickel nano wire carries out magnetic experiment obtained by the present embodiment, as shown in Figure 1.As can see from Figure 1：Will
Magnet is placed on the bottle side equipped with magnetic telluride nickel nano wire, and magnetic telluride nickel nano wire is all gathered in the appearance of magnet one end
On wall, it was demonstrated that magnetic telluride nickel nano wire has magnetic.
As shown in Fig. 2 Fig. 2 is the panoramic scanning of ternary metal hydridization PtNiTe porous magnetic nano wires obtained by the present embodiment
Electron microscope picture.As seen from Figure 2：Ternary metal hydridization PtNiTe porous magnetics nano wire obtained by the present embodiment is in line
Shape, and topography uniformity is good.
As shown in figure 3, Fig. 3 is the transmission electron microscope of ternary metal hydridization PtNiTe porous magnetic nano wires obtained by the present embodiment
Figure.It is clear that ternary metal hydridization PtNiTe porous magnetics nano wire is in loose structure from Fig. 3, the width of nano wire
Degree size is 13-35nm.
As shown in figure 4, Fig. 4 is the X-ray diffractogram of the present embodiment products therefrom.As seen from Figure 2：The present embodiment produces
The specific composition of thing contains Pt, Te, NiPt, NiTe2And Pt4Te5, it is the PtNiTe of hydridization further to confirm the product.
Embodiment 2
A kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, comprises the following steps：
S1, by 0.526g six hydration nickel sulfates add 10ml deionized waters in, magnetic agitation is completely dissolved it, adds
0.224g sodium tellurites, magnetic agitation obtain turbid solution；
S2, the hydrazine hydrate solution that 5ml mass fractions are 25wt% is added dropwise into turbid solution, it is sepia to stir to solution
Or brown obtains mixed solution；
S3, mixed solution is transferred in autoclave, and puts it into and hydro-thermal reaction, water are carried out in heated at constant temperature case
Thermal response temperature is 130 DEG C, the hydro-thermal reaction time 8h, and gained sediment used into water and ethanol eccentric cleaning respectively, dry
To magnetic telluride nickel nano wire；
S4, will 1g potassium chloroplatinates put into 100ml deionized waters in dissolving obtain mass fraction be 1wt% potassium chloroplatinate it is molten
Liquid, then it is diluted to the potassium chloroplatinate solution that mass fraction is 0.02wt% with deionized water；It is to 10ml mass fractions
30mg magnetic telluride nickel nano wires are added in 0.02wt% potassium chloroplatinate solution, shaking table reacts 4h and clarified to solution, and shaking table is anti-
It is 40 DEG C to answer temperature, obtains ternary metal hydridization PtNiTe porous magnetic nano wires.
Embodiment 3
A kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, comprises the following steps：
S1, by 0.476g Nickel dichloride hexahydrates add 10ml deionized waters in, magnetic agitation is completely dissolved it, adds
0.224g sodium tellurites, magnetic agitation obtain turbid solution；
S2, the hydrazine hydrate solution that 5ml mass fractions are 25wt% is added dropwise into turbid solution, it is sepia to stir to solution
Or brown obtains mixed solution；
S3, mixed solution is transferred in autoclave, and puts it into and hydro-thermal reaction, water are carried out in heated at constant temperature case
Thermal response temperature is 140 DEG C, the hydro-thermal reaction time 6h, and gained sediment used into water and ethanol eccentric cleaning respectively, dry
To magnetic telluride nickel nano wire；
S4, will 1g chloroplatinic acids put into 100ml deionized waters in dissolving obtain mass fraction be 1wt% platinum acid chloride solution,
Then it is diluted to the platinum acid chloride solution that mass fraction is 0.03wt% with deionized water；It is to 10ml mass fractions
40mg magnetic telluride nickel nano wires are added in 0.03wt% platinum acid chloride solution, shaking table reacts 4h and clarified to solution, and shaking table reacts
Temperature is 50 DEG C, obtains ternary metal hydridization PtNiTe porous magnetic nano wires.
Embodiment 4
A kind of preparation method of magnetic telluride nickel nano wire, comprises the following steps：
S1, by potassium tellurite add the nickel acetylacetonate aqueous solution in, the mol ratio of tellurious acid ion and nickel ion is
0.5：1, stirring obtains turbid solution；
S2, into turbid solution be added dropwise mass fraction be 30wt% hydrazine hydrate solution, stir to solution be sepia or
Brown obtains the mixed solution that pH value is 8；
S3, mixed solution being carried out to hydro-thermal reaction, hydrothermal temperature is 140 DEG C, the hydro-thermal reaction time 4h, washing,
It is dried to obtain magnetic telluride nickel nano wire.
A kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, comprises the following steps：By above-mentioned magnetic
Property telluride nickel nano wire add in the potassium chloroplatinate aqueous solution that mass fraction is 0.05wt%, magnetic telluride nickel nano wire and chlorine platinum
The mass volume ratio (mg/mL) of sour aqueous solutions of potassium is 1：1, shaking table reacts 24h and clarified to solution, and shaking table reaction temperature is 30 DEG C,
Obtain ternary metal hydridization PtNiTe porous magnetic nano wires.
Embodiment 5
A kind of preparation method of magnetic telluride nickel nano wire, comprises the following steps：
S1, tellurous acid added in nickel chloride aqueous solution, the mol ratio of tellurious acid ion and nickel ion is 1：1, stirring
Obtain turbid solution；
S2, into turbid solution be added dropwise mass fraction be 25wt% hydrazine hydrate solution, stir to solution be sepia or
Brown obtains the mixed solution that pH value is 10；
S3, mixed solution being carried out to hydro-thermal reaction, hydrothermal temperature is 100 DEG C, the hydro-thermal reaction time 12h, washing,
It is dried to obtain magnetic telluride nickel nano wire.
A kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, comprises the following steps：By above-mentioned magnetic
Property telluride nickel nano wire add in the potassium chloroplatinate aqueous solution that mass fraction is 0.01wt%, magnetic telluride nickel nano wire and chlorine platinum
The mass volume ratio (mg/mL) of sour aqueous solutions of potassium is 5：1, shaking table reacts 6h and clarified to solution, and shaking table reaction temperature is 50 DEG C, is obtained
To ternary metal hydridization PtNiTe porous magnetic nano wires.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of magnetic telluride nickel nano wire, it is characterised in that comprise the following steps：
S1, tellurous acid or tellurite added in nickel salt aqueous solution, stirring obtains turbid solution；
S2, hydrazine hydrate solution is added dropwise into turbid solution, it is that sepia or brown obtain mixed solution to stir to solution；
S3, mixed solution being carried out to hydro-thermal reaction, hydrothermal temperature is 100~140 DEG C, and the hydro-thermal reaction time is 4~12h,
Washing, is dried to obtain magnetic telluride nickel nano wire.
2. the preparation method of magnetic telluride nickel nano wire according to claim 1, it is characterised in that in S1, tellurious acid group from
The mol ratio of son and nickel ion is 0.5~1：1.
3. the preparation method of magnetic telluride nickel nano wire according to claim 1 or claim 2, it is characterised in that in S1, nickel salt is sulphur
Sour nickel, nickel chloride or nickel acetylacetonate.
4. according to the preparation method of any one of the claim 1-3 magnetic telluride nickel nano wires, it is characterised in that in S2, water
The mass fraction for closing hydrazine solution is 25~30wt%；Preferably, the pH value of mixed solution is 8~10.
5. a kind of magnetic telluride nickel nano wire, it is characterised in that using any one of the claim 1-4 magnetic telluride nickel nanometers
The preparation method of line is made.
6. a kind of preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires, it is characterised in that comprise the following steps：
Magnetic telluride nickel nano wire as claimed in claim 5 is added in the platiniferous ionic compound aqueous solution, shaking table reacts clear to solution
Clearly, ternary metal hydridization PtNiTe porous magnetic nano wires are obtained.
7. the preparation method of ternary metal hydridization PtNiTe porous magnetic nano wires according to claim 6, it is characterised in that
The mass volume ratio (mg/mL) of as claimed in claim 5 magnetic telluride nickel nano wire and the platiniferous ionic compound aqueous solution for 1~
5：1, the mass fraction of the platiniferous ionic compound aqueous solution is 0.01~0.05wt%；Preferably, platiniferous ionic compound is chlorine
Platinic acid or chloroplatinate.
8. according to the preparation method of the ternary metal hydridization PtNiTe porous magnetic nano wires of claim 6 or 7, its feature exists
In shaking table reaction temperature is 30~50 DEG C, and the shaking table reaction time is 6~24h；Preferably, magnetic telluride as claimed in claim 5
The mass ratio of nickel nano wire and platiniferous ionic compound is inversely proportional with the shaking table reaction time.
9. a kind of ternary metal hydridization PtNiTe porous magnetic nano wires, it is characterised in that using any one of claim 5-8 institutes
The preparation method for stating ternary metal hydridization PtNiTe porous magnetic nano wires is made.
10. a kind of ternary metal hydridization PtNiTe porous magnetics nano wire prepare for micro-nano electronic device, biochemical sensor,
Application in the nano material of solar cell.
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| CN107746041B (en) | 2021-01-29 |
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