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Metal plating method for carbon nanotubes

A metal coating and carbon nanotube technology, applied in the field of metal coating, can solve the problem of uneven distribution of the coating, and achieve the effects of large field enhancement factor, increased current density, and easy release.

Inactive Publication Date: 2010-01-27
FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD +1
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Problems solved by technology

[0007] Compared with the prior art, the present invention has the following beneficial effects: utilizing the physical and chemical inertness of the carbon nanotubes itself, which does not react with other materials, it not only enables the carbon nanotubes to be used on the metal coating with the metal coating treatment agent When it is used, it can be dispersed evenly, and the surface of the carbon nanotube structure can be fully coated with metal, which solves the problem of uneven distribution of the coating in the past. Even when it is used in a field emission display, it can improve the carbon nanotube itself under the action of an electric field. A large field enhancement factor makes it easier for the electron beam to be released and increases the current density of the emission

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  • Metal plating method for carbon nanotubes
  • Metal plating method for carbon nanotubes
  • Metal plating method for carbon nanotubes

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Embodiment Construction

[0014] Please refer to Figure 3 to Figure 5 As shown, the process and results of the metal coating method for carbon nanotubes of the present invention, wherein one embodiment of the present invention is to first take carbon nanotubes 30 of appropriate length on the utensil, put the carbon nanotubes 30 into an alcohol solution, and use super Take it out after oscillating with sound waves for three seconds, wash with ultrasonic waves in water for three seconds, and repeat the cleaning step three times. The composition of each step chemical solution adopted in this embodiment and the operating conditions of coordination are as follows:

[0015] Operating conditions:

[0016] (1) Sodium hydroxide (NaOH), water (H 2 O) and alcohols (C n h 2n+1 OH) mixed solution (preferably containing 5-30% alcohol solution), 80°C;

[0017] (2) Sulfuric acid (H 2 SO 4 ), water (H 2 O) and alcohols (C n h 2n+1 OH) mixed solution (5-30% alcohol solution is better), room temperature;

[0...

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Abstract

The invention discloses a metal plating method for carbon nanotubes. Mainly, the method adopts low-carbon-number alcohol solvents and surfactants having a functional group of thioalcohol or sulfonic acid and uses ultrasonic vibration to fully disperse the carbon nanotubes in electroless plating surface to completely coat a plating layer on the surfaces of the carbon nanotubes, thereby solving the problem of uneven plating layer distribution caused by the aggregation of carbon nanotubes in the prior art.

Description

【Technical field】 [0001] The invention relates to carbon nanotubes, in particular to a method for metal coating on carbon nanotubes by using a metal coating treatment agent. 【Background technique】 [0002] Carbon Nanotube (CNT) was accidentally discovered by Professor Sumio Iijima, a senior researcher at NEC in Japan, when C60 was prepared by arc discharge method in 1991, when he observed carbon clusters with a transmission electron microscope. According to different growth methods, the types of carbon nanotubes are generally divided into single-layer carbon nanotubes with a diameter of several nanometers, and multi-layer carbon nanotubes with a diameter of tens of nanometers. nanometers. Depending on the arrangement of carbon atoms in carbon nanotubes, carbon nanotubes with semiconductor or conductor properties can be obtained, which makes it not only applicable to field emission displays, but also to hydrogen storage materials, biomedicine, transistors, etc. Among variou...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/08
Inventor 王裕民徐志宗
Owner FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO LTD
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