CN112676570A - Preparation method of polypyrrole-coated copper nanowire with high SPR effect - Google Patents
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Abstract
The invention discloses a preparation method of polypyrrole coated copper nanowires with a high SPR effect, which comprises the following steps: the polypyrrole-coated copper nanowire prepared by the method has the advantages of high SPR effect, simplicity in preparation, low cost, capability of realizing mass production and no influence on physical properties of copper.
Description
Technical Field
The invention relates to a preparation method of polypyrrole-coated copper nanowires, and particularly relates to a preparation method of polypyrrole-coated copper nanowires with a high SPR effect.
Background
Surface Plasmon Resonance (SPR) can cause high-density charge oscillation on the surface of a material, so that the electromagnetic field intensity and the light absorption rate of a local surface are obviously enhanced. The SPR effect of metallic copper is widely applied to the fields of photovoltaic cells, photothermal therapy, photothermal catalysis and the like. However, the current copper nanowire synthesis methods mainly include a chemical vapor deposition method, a photolithography method, a liquid phase synthesis method and the like, and these synthesis methods often require high temperature and long reaction time, have high requirements on equipment, and increase the preparation cost of the copper nanowire and the difficulty of mass preparation. In addition, copper nanowires are easily oxidized when exposed to air, and surface protection is required. Therefore, it is an urgent need to solve the problem that a large-scale preparation of copper nanowires with high SPR effect at low cost and surface protection cannot affect the physical properties of copper, such as conductivity and light-heat conversion, so that the copper nanowires are easy to be stably stored and used.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of polypyrrole-coated copper nanowires with high SPR effect.
In order to achieve the purpose, the preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The proportion of the copper nanowire, the reagent, the pyrrole, the deionized water and the hydrogen peroxide is as follows: (20-100) mg: 2mL of: (50-2000) μ L: 40mL of: (5-500) mu L.
The stirring speed is 400r/min, the stirring time is 12-48 h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
taking CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine and deionized water is as follows: (1-5) mmol: (1-5) mmol: (10-20) mmol: (5-15) mmol: (1-5) mmol: (50-150) mL. Weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene autoclave, and carrying out hydrothermal reaction at the temperature of 140-250 ℃ for 15-72 h, wherein the stirring time is 10-48 h, and the stirring speed is 1000 r/min.
And in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
The PPy with different thicknesses can be grown on the surface of the copper nanowire in situ by controlling the mass ratio of the copper nanowire to the pyrrole.
The invention has the following beneficial effects:
according to the preparation method of the polypyrrole-coated copper nanowire with the high SPR effect, during specific operation, a hydrothermal method is adopted for preparing the copper nanowire, the nanowire has a regular nanostructure, the thickness is uniform, and the length-diameter ratio is large; then, polypyrrole is produced on the surface of the copper nanowire in situ, PPy is uniformly wrapped on the surface, the PPy is uniformly wrapped, the thickness is adjustable, the process is simple, and large-scale production can be realized. In addition, the encapsulation of PPy has the effect of protecting CuNWs, and can prevent Cu from being oxidized into CuO or Cu in air2And O. Through tests, the polypyrrole-coated copper nanowire has excellent photoelectric property, chemical sensing property and chemical stability, particularly has a high surface plasma resonance effect, and has good application potential in the fields of photo-thermal conversion, sensor strengthening signals and the like. In addition, the raw materials in the invention have low cost and the preparation process is simpler. Finally, it is noted that CuNWs has a strong SPR effect, the network of copper nanowires interwoven with each other forms numerous "junctions", and strong charge oscillation is caused at the junctions under illumination, so that the electromagnetic field strength and the light absorption rate of the local surface are significantly improved. In addition, the invention adopts hydrogen peroxide as the oxidant of pyrrole, is nontoxic and harmless, and is compared with the traditional FeCl3And when the oxidant is used, the hydrogen peroxide does not have an etching effect on the CuNWs, so that the integrity of the CuNWs appearance is ensured.
Drawings
FIG. 1 is an SEM representation of copper nanowires;
FIG. 2 is a TEM representation of polypyrrole-coated copper nanowires;
FIG. 3 is an infrared spectrum of polypyrrole-coated copper nanowires;
FIG. 4 is a Raman spectrum of polypyrrole, copper nanowires, and polypyrrole-coated copper nanowires.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example one
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 20 mg: 2mL of: 1000. mu.L: 40mL of: 100 μ L.
The stirring speed is 400r/min, the stirring time is 12h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction at 140 ℃ for 18 hours, wherein the stirring time is 10 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 1 mmol: 1 mmol: 10 mmol: 5 mmol: 1 mmol: 50 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
In the first embodiment, the detection results of the copper nano wires and the polypyrrole-coated copper nano wires are shown in fig. 1, fig. 2 and fig. 3, and the raman spectra of the polypyrrole, the copper nano wires and the polypyrrole-coated copper nano wires are shown in fig. 4, referring to fig. 4, it can be seen that the raman signal of the copper nano wires can be enhanced by the present invention.
Example two
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 20 mg: 2mL of: 50 μ L of: 40mL of: 5 μ L.
The stirring speed is 400r/min, the stirring time is 12-48 h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction for 15 hours at the temperature of 140 ℃, wherein the stirring time is 10 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 1 mmol: 1 mmol: 10 mmol: 5 mmol: 1 mmol: 50 mL; in the standing process after shaking, the shaking time is 1min, and the standing time is 30min。
EXAMPLE III
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 100 mg: 2mL of: 2000. mu.L: 40mL of: 500 μ L.
The stirring speed is 400r/min, the stirring time is 48h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction for 72 hours at 250 ℃, wherein the stirring time is 48 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and carrying out water washing and ethanol washing on the brownish red precipitate to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 5 mmol: 5 mmol: 20 mmol: 15 mmol: 5mmol of 150 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
Example four
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 50 mg: 2mL of: 1000. mu.L: 40mL of: 300 μ L.
The stirring speed is 400r/min, the stirring time is 30h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction at 200 ℃ for 40 hours, wherein the stirring time is 30 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 3 mmol: 3 mmol: 15 mmol: 10 mmol: 3 mmol: 100 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
EXAMPLE five
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 30 mg: 2mL of: 300 mu L of: 40mL of: 50 μ L.
The stirring speed is 400r/min, the stirring time is 15h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction at 180 ℃ for 20 hours, wherein the stirring time is 20 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 4 mmol: 4 mmol: 18 mmol: 2 mmol: 2 mmol: 130 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
EXAMPLE six
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the reagent, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 20 mg: 2mL of: 2000. mu.L: 40mL of: 5 μ L.
The stirring speed is 400r/min, the stirring time is 48h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction for 72 hours at 140 ℃, wherein the stirring time is 10 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and carrying out water washing and ethanol washing on the brownish red precipitate to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 5 mmol: 1 mmol: 20 mmol: 8 mmol: 3 mmol: 50 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
EXAMPLE seven
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 100 mg: 2mL of: 50 μ L of: 40mL of: 500 μ L.
The stirring speed is 400r/min, the stirring time is 12h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction for 15 hours at 250 ℃, wherein the stirring time is 48 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and carrying out water washing and ethanol washing on the brownish red precipitate to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 1 mmol: 5 mmol: 10 mmol: 3 mmol: 2 mmol: 150 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
Example eight
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the reagent, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 80 mg: 2mL of: 130 μ L of: 40mL of: 60 μ L.
The stirring speed is 400r/min, the stirring time is 28h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction at 180 ℃ for 20 hours, wherein the stirring time is 40 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 4 mmol: 4 mmol: 12 mmol: 15 mmol: 3 mmol: 140 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
Example nine
The preparation method of the polypyrrole coated copper nanowire with the high SPR effect comprises the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
The reagent is ethanol.
The proportion of the copper nanowire, the ethanol, the pyrrole, the deionized water and the hydrogen peroxide is as follows: 90 mg: 2mL of: 1800 μ L: 40mL of: 250 μ L.
The stirring speed is 400r/min, the stirring time is 45h, and the washing times are three times.
The specific process for preparing the copper nanowire by using the hydrothermal method comprises the following steps:
weighing CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene high-pressure kettle, carrying out hydrothermal reaction for 16 hours at 110 ℃, wherein the stirring time is 46 hours, the stirring speed is 1000r/min, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
CuCl2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: 2 mmol: 2 mmol: 19 mmol: 12 mmol: 2 mmol: 70 mL; and in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
The preparation process is relatively simple, the reaction conditions are mild, the synthesized copper nanowire has a good length-diameter ratio (the diameter is about 70nm, and the length is about 100 mu m), and the copper nanowire shows a good surface plasma resonance effect. In addition, polypyrrole is uniformly coated on the surface of the copper nanowire through an in-situ growth technology, PPy does not affect the SPR effect of the copper nanowire, CuNWs can be well protected from being etched and oxidized, and the CuNWs and CuNWs @ PPy prepared by the method can be used for the fields of preparation of transparent electrodes, high-performance catalysts, chemical sensors, flexible wearable devices, tip-enhanced Raman spectrum substrates and the like.
Claims (8)
1. A preparation method of polypyrrole-coated copper nanowires with a high SPR effect is characterized by comprising the following steps:
preparing copper nanowires by a hydrothermal method, dispersing the copper nanowires in a reagent, adding pyrrole, adding deionized water, adding hydrogen peroxide, stirring, centrifuging, and washing to obtain polypyrrole-coated copper nanowires with a high SPR effect.
2. The preparation method of the polypyrrole coated copper nanowire with the high SPR effect according to claim 1, wherein the ratio of the copper nanowire, the reagent, the pyrrole, the deionized water and the hydrogen peroxide is as follows: (20-100) mg: 2mL of: (50-2000) μ L: 40mL of: (5-500) mu L.
3. The method for preparing polypyrrole-coated copper nanowires with high SPR effect according to claim 1, wherein the stirring speed is 400r/min, the stirring time is 12-48 h, and the washing times are three times.
4. The method for preparing polypyrrole-coated copper nanowires with high SPR effect according to claim 1, wherein the hydrothermal method is used for preparing copper nanowires in the following specific steps:
taking CuCl2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, carrying out hydrothermal reaction, cooling to room temperature to obtain a brownish red precipitate, and washing the brownish red precipitate with water and ethanol to obtain a red solid;
dispersing the obtained red solid in deionized water, adding chloroform with the same volume, shaking, standing to separate a water phase from a chloroform phase, allowing CuNWs in the red solid to enter the chloroform phase from the water phase, and washing flocculent precipitate in the chloroform phase with ethanol to obtain the copper nanowire.
5. The method for preparing polypyrrole-coated copper nanowires with high SPR effect of claim 4, wherein the CuCl is added2·2H2The proportion of O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water is as follows: (1-5) mmol: (1-5) mmol: (10-20) mmol: (5-15) mmol: (1-5) mmol: (50-150) mL.
6. Polypyrrole coated copper nanowires with high SPR effect according to claim 5The preparation method is characterized in that CuCl is weighed2·2H2Mixing O, glucose, octadecylamine, hexadecylamine, polyvinylpyrrolidone and deionized water, stirring, pouring into a polytetrafluoroethylene autoclave, and carrying out hydrothermal reaction at the temperature of 140-250 ℃ for 15-72 h, wherein the stirring time is 10-48 h, and the stirring speed is 1000 r/min.
7. The method for preparing polypyrrole-coated copper nanowires with high SPR effect according to claim 5, wherein in the standing process after shaking, the shaking time is 1min, and the standing time is 30 min.
8. The method for preparing polypyrrole-coated copper nanowires with high SPR effect of claim 1, wherein PPy with different thickness is grown in situ on the surface of copper nanowires by controlling the mass ratio of copper nanowires to pyrrole.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130045416A1 (en) * | 2011-08-15 | 2013-02-21 | The Governing Council Of The University Of Toronto | Gold micro- and nanotubes, their synthesis and use |
| CN107275611A (en) * | 2017-06-19 | 2017-10-20 | 南昌航空大学 | The spherical zinc oxide material of nanometer and preparation method of a kind of polypyrrole cladding |
| CN108624043A (en) * | 2018-04-26 | 2018-10-09 | 中国科学院宁波材料技术与工程研究所 | A kind of aerogel composite and preparation method thereof of polypyrrole cladding copper nano-wire |
| CN108695014A (en) * | 2017-04-07 | 2018-10-23 | 电子科技大学中山学院 | A kind of copper nano-wire preparation method and copper nano-wire compound transparent electricity conductive film |
| CN110153403A (en) * | 2018-02-13 | 2019-08-23 | 中国石油化工股份有限公司 | Copper@polypyrrole nano line and preparation method thereof and pressure drag material and its application |
| US10526441B1 (en) * | 2019-01-23 | 2020-01-07 | King Fahd University Of Petroleum And Minerals | Polypyrrole-coated silver particles for surface enhanced Raman scattering |
-
2020
- 2020-12-02 CN CN202011390625.5A patent/CN112676570A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130045416A1 (en) * | 2011-08-15 | 2013-02-21 | The Governing Council Of The University Of Toronto | Gold micro- and nanotubes, their synthesis and use |
| CN108695014A (en) * | 2017-04-07 | 2018-10-23 | 电子科技大学中山学院 | A kind of copper nano-wire preparation method and copper nano-wire compound transparent electricity conductive film |
| CN107275611A (en) * | 2017-06-19 | 2017-10-20 | 南昌航空大学 | The spherical zinc oxide material of nanometer and preparation method of a kind of polypyrrole cladding |
| CN110153403A (en) * | 2018-02-13 | 2019-08-23 | 中国石油化工股份有限公司 | Copper@polypyrrole nano line and preparation method thereof and pressure drag material and its application |
| CN108624043A (en) * | 2018-04-26 | 2018-10-09 | 中国科学院宁波材料技术与工程研究所 | A kind of aerogel composite and preparation method thereof of polypyrrole cladding copper nano-wire |
| US10526441B1 (en) * | 2019-01-23 | 2020-01-07 | King Fahd University Of Petroleum And Minerals | Polypyrrole-coated silver particles for surface enhanced Raman scattering |
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