CN107746041B - Ternary metal hybrid PtNiTe porous magnetic nanowire and preparation and application thereof - Google Patents
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Abstract
The invention discloses a preparation method of a magnetic nickel telluride nanowire, which comprises the following steps: adding tellurite or tellurite into a nickel salt aqueous solution, and stirring to obtain a turbid solution; dropwise adding a hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution; and carrying out hydrothermal reaction on the mixed solution at the temperature of 100-140 ℃ for 4-12 h, washing and drying to obtain the magnetic nickel telluride nanowire. The invention also discloses the magnetic nickel telluride nanowire. The invention also discloses a ternary metal hybrid PtNiTe porous magnetic nanowire. The invention also discloses a preparation method of the ternary metal hybrid PtNiTe porous magnetic nanowire. The invention also discloses application of the ternary metal hybrid PtNiTe porous magnetic nanowire.
Description
Technical Field
The invention relates to the technical field of one-dimensional nano materials, in particular to a magnetic nickel telluride nanowire and a preparation method thereof, and a ternary metal hybrid PtNiTe porous magnetic nanowire and a preparation method and application thereof.
Background
Tellurium is listed as one of sixteen clean energy materials by the U.S. material genome project. Metal tellurides have excellent optical, electrical, catalytic and other properties, and are widely used in the fields of thermoelectricity, photocatalysis, electronic devices, solar cells and the like; nickel and its compounds are often used in electrochemical electrodes and in catalytically sensitive layers of solar cells because of their catalytic properties; the platinum noble metal has stable chemical property and excellent catalytic performance. As a novel magnetic material, the nano magnetic material has the characteristics of giant magnetoresistance effect, high magnetic conductivity, low loss, high saturation magnetization and the like, and is applied to the fields of medical targets, magnetoelectronic sensing devices and the like. The porous nano material has an ultra-high specific surface area, so that the porous nano material can be widely applied to porous electrodes, adsorption and the like.
The nano material formed by hybridization of the noble metal and the metal telluride combines the performance advantages of the noble metal and the metal telluride, and has important application in the fields of electrochemical sensors, solar cells, micro-nano electronic devices, medical targets and the like. For example, CdTe nanocrystal prepared by S.H.Han et al by solution method is used as probe of non-invasive living cell fluorescence imaging technology [ J.Nanosci.Nano.2011,11, 10302-; M.M.Rabbani and the like synthesize an Au/CdTe nano composite material by utilizing the electrostatic interaction between Au and CdTe nano particles [ trans.Nonferrous Met.Soc.China 2013,23,426-432 ]; Ag/CdTe quantum dots [ Opt.Laser Technol.2014,63, 8-12 ] are synthesized by utilizing a wet chemical method; S.C.xu et al synthesized CdTe/Ni fluorescent magnetic particles by LBL technique [ adv.Mater.Res.2011,217,216-219 ].
Many studies have been reported on porous materials containing Ni or Pt. For example, x.liu et al synthesized a porous core-shell structure PdNi @ Pt, which utilized its high catalytic performance to achieve methanol electro-oxidation [ Scientific reports,2015,5,7619 ]; J.B.Wu et al synthesized TiO2/NiO porous nanorod arrays by hydrothermal and electrodeposition methods, and showed good capacitance performance through electrochemical detection [ J.Power Sources 2013,243,317-322 ]; s.b.wang et al synthesized Pt-M (M ═ Cu, Zn, Ni) porous nanoparticles using a redox method, which showed very strong catalytic performance by detecting methanol [ chem.commun.2013,49,7168-70 ].
The preparation of noble metals and magnetic metal tellurides is not uncommon nor is the porous nanostructure formed by the hybridization of ternary Pt, Ni, Te.
Disclosure of Invention
Based on the technical problems existing in the background technology, the invention provides the ternary metal hybrid PtNiTe porous magnetic nanowire, the preparation method and the application thereof, the process is simple, any dispersant and surfactant are not used, the preparation process is easy to control, and the sample post-treatment is simple; the obtained ternary metal hybrid PtNiTe porous magnetic nanowire has the characteristics of regular structure, good appearance uniformity and the like.
The invention provides a preparation method of a magnetic nickel telluride nanowire, which comprises the following steps:
s1, adding tellurite or tellurite into the nickel salt aqueous solution, and stirring to obtain a turbid solution;
s2, dropwise adding a hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution;
and S3, carrying out hydrothermal reaction on the mixed solution at the temperature of 100-140 ℃ for 4-12 h, washing, and drying to obtain the magnetic nickel telluride nanowire.
In a specific embodiment, the hydrothermal reaction temperature in S3 can be 100 ℃, 105 ℃, 108 ℃, 110 ℃, 112 ℃, 115 ℃, 117 ℃, 118 ℃, 120 ℃, 125 ℃, 130 ℃, 135 ℃ and 140 ℃, and the hydrothermal reaction time in S3 can be 4h, 5h, 6h, 7h, 8h, 8.2h, 8.5h, 8.8h, 9h, 9.5h, 10h, 10.2h, 10.5h, 11h, 11.5h and 12 h.
After hydrazine hydrate is added into S2, the solution color sequentially undergoes: colorless, green, gray, brown or tan.
Preferably, in S1, the molar ratio of tellurite ions to nickel ions is 0.5-1: 1.
preferably, in S1, the nickel salt is nickel sulfate, nickel chloride or nickel acetylacetonate.
Preferably, in S2, the mass fraction of the hydrazine hydrate solution is 25-30 wt%.
Preferably, in S2, the pH value of the mixed solution is 8-10.
The invention also provides the magnetic nickel telluride nanowire prepared by the preparation method of the magnetic nickel telluride nanowire.
The invention also provides a preparation method of the ternary metal hybridized PtNiTe porous magnetic nanowire, which comprises the following steps: and adding the magnetic nickel telluride nanowire into a platinum ion-containing compound aqueous solution, and reacting in a shaking table until the solution is clear to obtain the ternary metal hybridized PtNiTe porous magnetic nanowire.
Preferably, the mass-to-volume ratio (mg/mL) of the magnetic nickel telluride nanowire to the platinum ion-containing compound aqueous solution is 1-5: 1, the mass fraction of the aqueous solution containing the platinum ion compound is 0.01 to 0.05 wt%.
Preferably, the platinum ion-containing compound is chloroplatinic acid or a chloroplatinate salt.
Preferably, the reaction temperature of the shaking table is 30-50 ℃, and the reaction time of the shaking table is 6-24 h.
Preferably, the mass ratio of the magnetic nickel telluride nanowires to the platinum ion-containing compound is inversely proportional to the shaker reaction time.
The invention also provides the ternary metal hybridized PtNiTe porous magnetic nanowire prepared by the preparation method of the ternary metal hybridized PtNiTe porous magnetic nanowire.
The invention also provides application of the ternary metal hybridized PtNiTe porous magnetic nanowire in preparation of nano materials for micro-nano electronic devices, biochemical sensors and solar cells.
The preparation process is simple, no dispersant or surfactant is used, the preparation process is easy to control, and the post-treatment of the sample is simple; the ternary metal hybridized PtNiTe porous magnetic nanowire has the characteristics of regular structure, good appearance uniformity and the like.
The ternary metal hybridized PtNiTe porous magnetic nanowire provided by the invention can provide a novel magnetic porous one-dimensional nano material for micro-nano electronic devices, biochemical sensors, solar cells and the like.
Drawings
Fig. 1 is a magnetic test picture of the magnetic nickel telluride nanowire obtained in example 1 of the present invention. The magnet in the figure adsorbs the synthesized product to the wall of the container, and the product is proved to have magnetism.
FIG. 2 is a panoramic scanning electron microscope image of the ternary metal hybridized PtNiTe porous magnetic nanowire obtained in example 1 of the present invention.
FIG. 3 is a transmission electron microscope image of the ternary metal hybridized PtNiTe porous magnetic nanowire obtained in example 1 of the present invention.
FIG. 4 is an X-ray diffraction diagram of the ternary metal hybridized PtNiTe porous magnetic nanowire obtained in example 1 of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire comprises the following steps:
s1, adding 0.476g of nickel chloride hexahydrate into 10ml of deionized water, carrying out magnetic stirring to completely dissolve the nickel chloride, adding 0.224g of sodium tellurite, and carrying out magnetic stirring to obtain turbid solution;
s2, dropwise adding 5ml of 25 wt% hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution;
s3, transferring the mixed solution to a high-pressure reaction kettle, placing the high-pressure reaction kettle into a constant-temperature heating box for hydrothermal reaction at 120 ℃ for 10 hours, centrifugally cleaning the obtained precipitate with water and ethanol respectively, and drying to obtain the magnetic nickel telluride nanowire;
s4, putting 1g of chloroplatinic acid into 100ml of deionized water for dissolving to obtain a chloroplatinic acid solution with the mass fraction of 1 wt%, and then diluting the chloroplatinic acid solution with the mass fraction of 0.02 wt% by using the deionized water; and adding 20mg of magnetic nickel telluride nanowires into 10ml of chloroplatinic acid solution with the mass fraction of 0.02 wt%, and reacting for 5h in a shaking table until the solution is clear, wherein the reaction temperature of the shaking table is 40 ℃, so as to obtain the ternary metal hybrid PtNiTe porous magnetic nanowires.
The magnetic nickel telluride nanowires obtained in this example were subjected to a magnetic test, as shown in fig. 1. As can be seen from fig. 1: the magnetic nickel telluride nanowires are proved to have magnetism by placing the magnet at one side of the bottle filled with the magnetic nickel telluride nanowires which are all gathered on the wall of the container at one end of the magnet.
As shown in fig. 2, fig. 2 is a panoramic scanning electron microscope image of the ternary metal hybridized PtNiTe porous magnetic nanowire obtained in this example. As can be seen from fig. 2: the ternary metal hybrid PtNiTe porous magnetic nanowire obtained in the embodiment is linear and has good morphology uniformity.
As shown in fig. 3, fig. 3 is a transmission electron microscope image of the ternary metal hybrid PtNiTe porous magnetic nanowire obtained in this example. From FIG. 3, it can be clearly seen that the ternary metal hybridized PtNiTe porous magnetic nanowire is in a porous structure, and the width dimension of the nanowire is 13-35 nm.
As shown in FIG. 4, FIG. 4 is an X-ray analysis of the product obtained in this exampleLine diffraction pattern. As can be seen from fig. 2: the product of this example contains Pt, Te, NiPt and NiTe2And Pt4Te5It was further confirmed that the product was hybridized PtNiTe.
Example 2
A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire comprises the following steps:
s1, adding 0.526g of nickel sulfate hexahydrate into 10ml of deionized water, carrying out magnetic stirring to completely dissolve the nickel sulfate hexahydrate, adding 0.224g of sodium tellurite, and carrying out magnetic stirring to obtain a turbid solution;
s2, dropwise adding 5ml of 25 wt% hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution;
s3, transferring the mixed solution to a high-pressure reaction kettle, placing the high-pressure reaction kettle into a constant-temperature heating box for hydrothermal reaction at the temperature of 130 ℃ for 8 hours, centrifugally cleaning the obtained precipitate with water and ethanol respectively, and drying to obtain the magnetic nickel telluride nanowire;
s4, adding 1g of potassium chloroplatinate into 100ml of deionized water to be dissolved to obtain a 1 wt% potassium chloroplatinate solution, and then diluting the solution into a 0.02 wt% potassium chloroplatinate solution by using the deionized water; and adding 30mg of magnetic nickel telluride nanowires into 10ml of potassium chloroplatinate solution with the mass fraction of 0.02 wt%, and reacting for 4 hours in a shaking table until the solution is clear, wherein the reaction temperature of the shaking table is 40 ℃, so as to obtain the ternary metal hybrid PtNiTe porous magnetic nanowires.
Example 3
A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire comprises the following steps:
s1, adding 0.476g of nickel chloride hexahydrate into 10ml of deionized water, carrying out magnetic stirring to completely dissolve the nickel chloride, adding 0.224g of sodium tellurite, and carrying out magnetic stirring to obtain turbid solution;
s2, dropwise adding 5ml of 25 wt% hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution;
s3, transferring the mixed solution to a high-pressure reaction kettle, placing the high-pressure reaction kettle into a constant-temperature heating box for hydrothermal reaction at the temperature of 140 ℃ for 6 hours, centrifugally cleaning the obtained precipitate with water and ethanol respectively, and drying to obtain the magnetic nickel telluride nanowire;
s4, putting 1g of chloroplatinic acid into 100ml of deionized water for dissolving to obtain a chloroplatinic acid solution with the mass fraction of 1 wt%, and then diluting the chloroplatinic acid solution with the mass fraction of 0.03 wt% by using the deionized water; and adding 40mg of magnetic nickel telluride nanowires into 10ml of chloroplatinic acid solution with the mass fraction of 0.03 wt%, and reacting for 4h in a shaking table until the solution is clear, wherein the reaction temperature of the shaking table is 50 ℃, so as to obtain the ternary metal hybrid PtNiTe porous magnetic nanowires.
Example 4
A preparation method of magnetic nickel telluride nanowires comprises the following steps:
s1, adding potassium tellurite into the nickel acetylacetonate aqueous solution, wherein the molar ratio of tellurite radical ions to nickel ions is 0.5: 1, stirring to obtain a turbid solution;
s2, dropwise adding a hydrazine hydrate solution with the mass fraction of 30wt% into the turbid solution, and stirring until the solution is tan or brown to obtain a mixed solution with the pH value of 8;
and S3, carrying out hydrothermal reaction on the mixed solution at the temperature of 140 ℃ for 4h, washing and drying to obtain the magnetic nickel telluride nanowire.
A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire comprises the following steps: adding the magnetic nickel telluride nanowire into a potassium chloroplatinate aqueous solution with the mass fraction of 0.05wt%, wherein the mass-to-volume ratio (mg/mL) of the magnetic nickel telluride nanowire to the potassium chloroplatinate aqueous solution is 1: 1, carrying out shaking table reaction for 24 hours until the solution is clear, wherein the shaking table reaction temperature is 30 ℃, and obtaining the ternary metal hybridized PtNiTe porous magnetic nanowire.
Example 5
A preparation method of magnetic nickel telluride nanowires comprises the following steps:
s1, adding tellurite into the nickel chloride aqueous solution, wherein the molar ratio of tellurite radical ions to nickel ions is 1: 1, stirring to obtain a turbid solution;
s2, dropwise adding a hydrazine hydrate solution with the mass fraction of 25 wt% into the turbid solution, and stirring until the solution is tan or brown to obtain a mixed solution with the pH value of 10;
and S3, carrying out hydrothermal reaction on the mixed solution at the temperature of 100 ℃ for 12h, washing and drying to obtain the magnetic nickel telluride nanowire.
A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire comprises the following steps: adding the magnetic nickel telluride nanowire into a potassium chloroplatinate aqueous solution with the mass fraction of 0.01 wt%, wherein the mass-to-volume ratio (mg/mL) of the magnetic nickel telluride nanowire to the potassium chloroplatinate aqueous solution is 5: 1, carrying out shaking table reaction for 6 hours until the solution is clear, wherein the shaking table reaction temperature is 50 ℃, and obtaining the ternary metal hybridized PtNiTe porous magnetic nanowire.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A preparation method of a ternary metal hybridized PtNiTe porous magnetic nanowire is characterized by comprising the following steps: adding the magnetic nickel telluride nanowire into a platinum ion-containing compound aqueous solution, and carrying out table shaking reaction until the solution is clear to obtain a ternary metal hybridized PtNiTe porous magnetic nanowire;
the mass-to-volume ratio of the magnetic nickel telluride nanowire to the platinum ion-containing compound aqueous solution is (mg/mL) 1-5: 1, the mass fraction of the aqueous solution containing the platinum ion compound is 0.01-0.05 wt%;
the reaction temperature of a shaking table is 30-50 ℃, and the reaction time of the shaking table is 6-24 hours;
the preparation method of the magnetic nickel telluride nanowire comprises the following steps:
s1, adding tellurite or tellurite into the nickel salt aqueous solution, and stirring to obtain a turbid solution;
s2, dropwise adding a hydrazine hydrate solution into the turbid solution, and stirring until the solution is brown or brown to obtain a mixed solution;
s3, carrying out hydrothermal reaction on the mixed solution at the temperature of 120 ℃ for 10h, washing and drying to obtain the magnetic nickel telluride nanowire;
in S1, the molar ratio of tellurite ions to nickel ions is 0.5: 1.
2. the preparation method of the ternary metal hybrid PtNiTe porous magnetic nanowire as claimed in claim 1, wherein the platinum ion-containing compound is chloroplatinic acid or chloroplatinate.
3. The preparation method of the ternary metal hybrid PtNiTe porous magnetic nanowire as claimed in claim 1 or 2, wherein the mass ratio of the magnetic nickel telluride nanowire to the platinum ion-containing compound is inversely proportional to the shaking table reaction time.
4. The method for preparing the ternary metal hybrid PtNiTe porous magnetic nanowire according to claim 1, wherein in S1, the nickel salt is nickel sulfate, nickel chloride or nickel acetylacetonate.
5. The preparation method of the ternary metal hybridized PtNiTe porous magnetic nanowire as claimed in claim 1 or 4, wherein in S2, the mass fraction of hydrazine hydrate solution is 25-30 wt%; the pH value of the mixed solution is 8-10.
6. A ternary metal hybridized PtNiTe porous magnetic nanowire is characterized by being prepared by the preparation method of the ternary metal hybridized PtNiTe porous magnetic nanowire disclosed by any one of claims 1 to 5.
7. An application of a ternary metal hybridized PtNiTe porous magnetic nanowire in the preparation of nano materials for micro-nano electronic devices, biochemical sensors and solar cells.
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| CN105502312A (en) * | 2016-01-11 | 2016-04-20 | 合肥师范学院 | Hollow spindle-shaped nanometer telluride platinum and preparation method thereof |
| CN106000393A (en) * | 2010-05-24 | 2016-10-12 | 希路瑞亚技术公司 | Nanowire catalysts |
| CN106410220A (en) * | 2016-12-08 | 2017-02-15 | 天津工业大学 | Oxide nanowire preparation method based on quantum dot modification |
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| CN106000393A (en) * | 2010-05-24 | 2016-10-12 | 希路瑞亚技术公司 | Nanowire catalysts |
| EP2630086A1 (en) * | 2010-10-21 | 2013-08-28 | Oulun Yliopisto | Photocatalytic material |
| CN105502312A (en) * | 2016-01-11 | 2016-04-20 | 合肥师范学院 | Hollow spindle-shaped nanometer telluride platinum and preparation method thereof |
| CN106410220A (en) * | 2016-12-08 | 2017-02-15 | 天津工业大学 | Oxide nanowire preparation method based on quantum dot modification |
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