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A method for preparing a large-area cobalt-nickel micro/nano periodic array structure film

A periodic array and large-area technology, applied in the field of materials, can solve the problems of complex preparation process, high price, and low degree of freedom of operation, and achieve the effect of simple preparation process, low cost, and convenient operation

Active Publication Date: 2021-01-26
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although laser surface nanotechnology has achieved leapfrog progress in the preparation of nano-surface structure materials, the problems of complex preparation process, high price, and low degree of freedom of operation cannot be ignored.

Method used

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  • A method for preparing a large-area cobalt-nickel micro/nano periodic array structure film
  • A method for preparing a large-area cobalt-nickel micro/nano periodic array structure film
  • A method for preparing a large-area cobalt-nickel micro/nano periodic array structure film

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027]The first step, the preparation of the reaction solution: accurately weigh 2.3925g of cobalt nitrate hexahydrate Co(NO3)2·6H2O and 0.727g of nickel nitrate hexahydrate Ni(NO3)2·6H2Put O in a beaker, add 100 mL of deionized water, dissolve and mix, stir at room temperature for 2 hours to fully dissolve the metal soluble salt in the deionized water, then add 2mol / L of HCL solution to adjust its pH to 4 to obtain Cobalt nickel metal salt composite aqueous solution. In addition, accurately weigh 12 g of urea and place it in a beaker, add 600 mL of deionized water, stir thoroughly to dissolve, and obtain a urea solution. Under the condition of magnetic stirring, the prepared urea solution is slowly added to the cobalt-nickel metal salt composite solution to obtain a reaction solution, which is allowed to stand for use.

[0028]The second step is the preparation of the cobalt-nickel micro / nano periodic array structure film: the bird wings are treated with 1 mM HCL solution at 50°C for ...

Embodiment 2

[0033]The difference between this embodiment and the embodiment 1 lies in that: the effect of an external magnetic field of 0.05 T is not given in the preparation process of the third step.

[0034]The first step, the preparation of the reaction solution: accurately weigh 2.3925g of cobalt nitrate hexahydrate Co(NO3)2·6H2O and 0.727g of nickel nitrate hexahydrate Ni(NO3)2·6H2Put O in a beaker, add 100 mL of deionized water, dissolve and mix, stir at room temperature for 2 hours to fully dissolve the metal soluble salt in the deionized water, then add 2mol / L of HCL solution to adjust its pH to 4 to obtain Cobalt nickel metal salt composite aqueous solution. In addition, accurately weigh 12 g of urea and place it in a beaker, add 600 mL of deionized water, stir thoroughly to dissolve, and obtain a urea solution. Under the condition of magnetic stirring, the prepared urea solution is slowly added to the cobalt-nickel metal salt composite solution to obtain a reaction solution, which is al...

Embodiment 3

[0039]The difference between this embodiment and embodiment 1 is that in the second step of the preparation process, nanopaper with a pore size of 7-10 μm is used as an effective template.

[0040]The first step, the preparation of the reaction solution: accurately weigh 1.485g of cobalt nitrate hexahydrate Co(NO3)2·6H2O and 0.727g of nickel nitrate hexahydrate Ni(NO3)2·6H2Put O in a beaker, add 100mL deionized water, dissolve and mix, stir at room temperature for 3 hours to fully dissolve the metal soluble salt in deionized water, then add 0.2mol / L HCL solution to adjust its pH to 5.5. A composite aqueous solution of cobalt-nickel metal salt is obtained. In addition, accurately weigh 9 g of urea and place it in a beaker, add 300 mL of deionized water, stir thoroughly to dissolve, and obtain a urea solution. Under the condition of magnetic stirring, the prepared urea solution is slowly added to the cobalt-nickel metal salt composite solution to obtain a reaction solution, which is allo...

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Abstract

The invention discloses a preparing method of a large-area cobalt nickel micro / nano periodic array structure thin film. A cobalt nitrate water solution and a nickel nitrate water solution are configured, after mixing, the pH value is adjusted to 4 to 5, a cobalt nickel metal salt compound aqueous solution is obtained, an aqueous urea solution is slowly added, mixing is carried out, a reaction solution is obtained, a pretreated butterfly wing serves as a template, and is immersed in the reaction solution, under the externally added magnetic field condition, the seal heating reaction is carried out, the butterfly wing on which a cobalt nickel micro / nano periodic array structure grows is obtained, deionized water, acetone and absolute ethyl alcohol are sequentially used for washing, and drying is carried out. The butterfly wing is adopted as the template, the urea is adopted as a precipitant, under the externally added magnetic field control, through a liquid phase method, the chemical method is used for growing the cobalt nickel micro / nano periodic array structure material on the butterfly wing, the preparing process is simple, cost is low, and operation is high.

Description

Technical field[0001]The invention belongs to the technical field of materials, and specifically relates to a method for preparing a large-area cobalt-nickel micro / nano periodic array structure film.Background technique[0002]In recent years, the large-area periodic nanoarray structure has received continuous attention in basic disciplines and application technologies such as optics, microfluidics, bionics, surface coating, supercapacitors, anti-fogging, self-cleaning, and biosensors, because of the periodic nanoarray structure It can provide a high specific surface area, a very large number of ion transmission channels, good electrical conductivity and the ability to prevent maturation and agglomeration. The micro / nano periodic array structure is a design that is better than the first-level nano-array. The composite material with nano-multi-level structure connects functional materials with different structures and different phases in series, which can stimulate the characteristics ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C18/50B82Y40/00
CPCB82Y40/00C23C18/50
Inventor 翁凌燕朱俐陈忠平龙朦朦陆敏
Owner NANTONG UNIVERSITY