Method for preparing nano metal pipe by template chemical plating process

A nano-metal and electroless plating technology, which is applied in the field of template electroless plating to prepare nano-metal tubes, can solve the problems of difficult control of the size and shape of nano-metal tubes, low output, complex process, etc., and achieve good controllability and batch production The effect of preparation feasibility, high yield and simple method

Inactive Publication Date: 2006-05-24
QINGDAO UNIV OF SCI & TECH
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Problems solved by technology

[0003] Aiming at the existing problems in the preparation of nanometer metal tubes, such as complex process, difficult size and shape control of nanometer metal tubes, and low output, the present invention proposes a preparation method for preparing nanometer metal tubes by template electroless plating, which is simple and nanometer The size and shape of metal tubes are easy to control, the output is high, and the nano-metal tubes are endowed with good controllability and batch preparation feasibility

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specific Embodiment approach 1

[0026] A preparation method for preparing nanometer metal tubes by template electroless plating, comprising the following sequential steps:

[0027] (1) Rinse the carbon nanofibers in absolute ethanol, then rinse them in a mixed solution of n-butanol and xylene with a volume ratio of 1:3, and clean the carbon nanofibers surface including impurities of small organic molecules;

[0028] (2) In a glass container, place the cleaned carbon nanofibers in nitric acid and sulfuric acid at a volume ratio of ~1:1, at a treatment temperature of 70-75° C., and for a treatment time of 10 minutes.

[0029] (3) Soak the modified carbon nanofibers in a 0.01mol / L sodium lauryl sulfate surfactant solution for 1.5h under ultrasonic stirring conditions; The concentration of hydrochloric acid is 2.50mol / L and the sensitization treatment is carried out in a mixed solution of 2.50mol / L. After washing three times with deionized water, the concentration of palladium dichloride is 0.01mol / L and the con...

specific Embodiment approach 2

[0032] A preparation method for preparing nanometer metal tubes by template electroless plating, comprising the following sequential steps:

[0033] (1) the nano-polyaniline fiber is rinsed in acetone, and then rinsed in a mixed solution of n-butanol and xylene with a volume ratio of 1:4, and the nano-polyaniline fiber surface is cleaned of impurities including small organic molecules;

[0034] (2) In a glass container, place the cleaned nano-polyaniline fibers in a mixed solution of concentrated nitric acid and concentrated sulfuric acid with a volume ratio of 1: 1 for surface treatment at room temperature for 20 minutes;

[0035] (3) Soak the modified nano-polyaniline fiber in 0.01mol / L sodium lauryl sulfate and 0.01mol / L nonylphenol polyoxyethylene ether solution under ultrasonic stirring condition for 1.0h; after that, first Be that 0.50mol / L, hydrochloric acid concentration carry out the sensitization treatment of 10min in the mixed solution of 0.50mol / L, hydrochloric aci...

specific Embodiment approach 3

[0038] A preparation method for preparing nanometer metal tubes by template electroless plating, comprising the following sequential steps:

[0039] (1) Rinse the carbon nanofibers in absolute ethanol, then rinse them in a mixed solution of n-butanol and xylene with a volume ratio of 1:5, and clean the carbon nanofibers surface including impurities of small organic molecules;

[0040] (2) In a glass container, place the cleaned carbon nanofibers in a mixed solution of concentrated nitric acid and concentrated sulfuric acid with a volume ratio of 2:1 for surface treatment at room temperature for 15 minutes;

[0041] (3) Soak the modified carbon nanofibers in 0.015mol / L fatty alcohol polyoxyethylene ether surfactant solution under ultrasonic stirring condition for 1.2h; The concentration of hydrochloric acid is 3.00mol / L mixed solution for 7min to carry out the sensitization treatment, after using deionized water to wash three times, the concentration of palladium dichloride is ...

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Abstract

The preparation method of nano metal tube by utilizing template chemical plating process includes the following steps: (1) adopting nano carbon fibre or nano polymer fibre as chemical plating template, and cleaning the surface of nano carbon fibre or nano polymer fibre; (2) in strong acid solution making surface coarsening modification; (3) under the condition of ultrasonic stirring soaking the above-mentioned modified fibre material in surfactant solution, then making activation treatment in hydrochloric solution of stannous chloride and palladium dichloride; (4) making chemical plating treatment in chemical plating liquor; (5) oxidating and removing template; and (6) reducing metal oxide and obtaining nano metal tube under the condition of hydrogen atmosphere.

Description

technical field [0001] The present invention relates to a method for preparing nanometer metal tubes, in particular to a method for preparing nanometer metal tubes by electroless template plating, in particular to a kind of nanometer metal tube composed of one or more metals with uniform coating thickness and adjustable coating thickness. A method for preparing a controlled and shape-controllable nano-metal tube. Background technique [0002] In recent years, due to their unique structures and properties, as well as potential applications in the field of catalysts, fuel cells, sensors and separation systems, nanoscale tubular materials have increasingly attracted the attention of researchers. Since the discovery of carbon nanotubes, there have been many reports on the preparation methods of nanometal tube materials. Since metals play an important role in the field of catalysts and nanotechnology, gold nanotubes, nickel nanotubes, palladium nanotubes and silver nanotubes hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/00
Inventor 谢广文
Owner QINGDAO UNIV OF SCI & TECH
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