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Preparation method of macroscopically ultra-smooth silver nitrate composite carbon-based film

A silver nitrate and composite carbon technology, which is applied to the surface coating liquid device, ion implantation plating, gaseous chemical plating, etc., can solve the problems of large environmental dependence and difficult engineering application, and achieve high efficiency and simple method Effect

Inactive Publication Date: 2020-04-28
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is difficult to achieve engineering applications for ultra-smoothness at the microscopic scale, and there are limitations in macroscopic materials, which are highly dependent on the environment.

Method used

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  • Preparation method of macroscopically ultra-smooth silver nitrate composite carbon-based film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1 A method for preparing a macroscopic ultra-smooth silver nitrate composite carbon-based film: first prepare a diamond-like carbon film with a thickness of 1 micron and a hydrogen content of 0%; then use alcohol to ultrasonically clean the diamond-like carbon film 8min; Finally, drop or smear or spray or dip the silver nitrate solution with a mass concentration of 1% evenly on the diamond-like carbon film to make it as thick as 100nm, and dry it naturally at 25°C for 72 hours to obtain a load with a thickness of 100nm. Carbon-based films of silver nitrate.

[0018] Among them: the diamond-like carbon film with hydrogen content of 0% is prepared by arc ion plating method. The specific process is as follows:

[0019] A Ti target was selected, argon gas was introduced, the gas pressure was 1Pa, the arc current was 120A, the bias voltage was 300V, and the deposition was performed for 15 minutes.

[0020] Close the titanium target, open the graphite arc target, ke...

Embodiment 2

[0021] Example 2 A method for preparing a macroscopic ultra-smooth silver nitrate composite carbon-based film: first prepare a diamond-like carbon film with a thickness of 1 micron and a hydrogen content of 30%; then use alcohol to ultrasonically clean the diamond-like carbon film 15min; Finally, drop or smear or spray or dip the silver nitrate solution with a mass concentration of 0.5% evenly on the diamond-like carbon film to make the thickness to 50nm, and dry it naturally at 25°C for 72h to obtain a load with a thickness of 50nm. Carbon-based films of silver nitrate.

[0022] Among them: the diamond-like carbon film with a hydrogen content of 30% is prepared by plasma chemical vapor deposition. The specific process is as follows:

[0023] Evacuate to a vacuum below 0.001 Pa, and start coating.

[0024] Infuse argon gas to 20 Pa, bias at 1200V, and bombard for 30 minutes to remove pollutants on the surface of the substrate.

[0025] Adjust the argon gas to 10 Pa, bias 80...

Embodiment 3

[0028] Example 3 A method for preparing a macroscopic ultra-smooth silver nitrate composite carbon-based film: first prepare a diamond-like carbon film with a thickness of 1 micron and a hydrogen content of 20%; then use alcohol to ultrasonically clean the diamond-like carbon film 10min; Finally, drop or smear or spray or dip the silver nitrate solution with a mass concentration of 0.7% evenly on the diamond-like carbon film to make the thickness to 70nm, and dry it naturally at 25°C for 72h to obtain a load with a thickness of 70nm. Carbon-based films of silver nitrate.

[0029] Among them: the diamond-like carbon film with a hydrogen content of 20% is prepared by plasma chemical vapor deposition. The specific process is as follows:

[0030] Made by plasma chemical vapor deposition method. The specific process is as follows:

[0031] Evacuate to a vacuum below 0.001 Pa, and start coating.

[0032] Infuse argon gas to 20 Pa, bias at 1200V, and bombard for 30 minutes to rem...

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Abstract

The invention relates to a preparation method of a macroscopically ultra-smooth silver nitrate composite carbon-based film. The preparation method comprises the following steps of firstly, preparing adiamond-like carbon film with the thickness being 1 micron and the hydrogen content being less than or equal to 30%; then carrying out ultrasonic cleaning on the diamond-like carbon film; and finallyuniformly dropwise adding or smearing or spraying or dipping a silver nitrate solution with the mass concentration being 0.5-1% on the diamond-like carbon film, and naturally air-drying the diamond-like carbon film for 72 h at 25 DEG C to obtain the silver nitrate-loaded carbon-based film with the thickness being 50-100 nm. The preparation method is simple and high in efficiency, and the obtainedsilver nitrate composite carbon-based film is macroscopically ultra-smooth in a stable atmospheric environment, and basic data and ideas are provided for engineering application.

Description

technical field [0001] The invention relates to the fields of super-slip and tribology, in particular to a preparation method of a macro-super-smooth silver nitrate composite carbon-based film. Background technique [0002] Lubrication and friction are inseparable. Friction has been used in daily life throughout the ages. In ancient times, iron pestles were used to grind needles, and friction was used to make fire. Today, the operation of various equipment is related to friction. Friction is not only related to energy, but also restricts the update iteration of high-end equipment and the improvement of performance life. Friction consumes 30% of primary energy, wear causes 60% of mechanical parts to fail, and more than 50% of mechanical equipment vicious accidents are caused by lubrication failure or excessive wear. Economic losses caused by friction and wear in developed countries in Europe and the United States account for about 2% to 7% of their gross national product. A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/06C23C14/32C23C16/26C23C16/50B05D7/24
CPCB05D7/24B05D2203/30C23C14/0605C23C14/325C23C16/26C23C16/50
Inventor 张俊彦贾倩张斌孙磊高凯雄
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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