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A method of electrolyzing organic matter to construct a diamond-like film on a metal surface

A diamond thin film and metal surface technology, applied in the chemical field, can solve the problems of high cost, difficult and complex surface film formation, complicated process, etc., and achieve the effects of low cost, good film-base bonding force and simple process

Active Publication Date: 2017-12-26
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a method for constructing a diamond-like film on a metal surface by electrolyzing an organic substance. The process of preparing a diamond-like film on a metal surface is complicated, the cost is high, and it is difficult to realize the technical problem of forming a film on a complex surface

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  • A method of electrolyzing organic matter to construct a diamond-like film on a metal surface
  • A method of electrolyzing organic matter to construct a diamond-like film on a metal surface

Examples

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Embodiment 1

[0025] A method for electrolyzing organic matter to construct a diamond-like carbon film on a copper surface, comprising the steps of:

[0026] (1) Copper foil surface pretreatment: ultrasonically clean the copper foil with acetone and ethanol for 30 minutes at room temperature, and then wash it with deionized water. Polish the copper foil by immersing it in the polishing solution, and then rinse it with deionized water.

[0027] The copper foil is copper (purity greater than 99.95%);

[0028] The polishing solution is an aqueous solution of phosphoric acid. Wherein, the volume ratio of phosphoric acid and deionized water is 0.6.

[0029] (2) Electrolyte preparation: The electrolyte is composed of n-methylpyrrolidone (NMP) and deionized water. Dissolve NMP in deionized water, prepare a certain concentration of NMP aqueous solution, and ultrasonically disperse within a certain temperature range for 30 minutes.

[0030] In the electrolyte, the volume ratio of NMP and deioniz...

Embodiment 2

[0040] A method for electrolyzing organic matter to construct a diamond-like carbon film on a copper surface, comprising the steps of:

[0041] (1) Copper foil surface pretreatment: ultrasonically clean the copper foil with acetone and ethanol for 30 minutes at room temperature, and then wash it with deionized water. Polish the copper foil by immersing it in the polishing solution, and then rinse it with deionized water.

[0042] The copper foil is brass;

[0043] The polishing liquid is an aqueous solution of phosphoric acid, wherein the volume ratio of phosphoric acid and deionized water is 0.6.

[0044] (2) Electrolyte preparation: The electrolyte is composed of n-methylpyrrolidone (NMP) and deionized water. Dissolve NMP in deionized water, prepare a certain concentration of NMP aqueous solution, and ultrasonically disperse within a certain temperature range for 30 minutes.

[0045] In the electrolyte, the volume ratio of NMP and deionized water is 0.2;

[0046] The tem...

Embodiment 3

[0054] A method for electrolyzing organic matter to construct a diamond-like carbon film on a copper surface, comprising the steps of:

[0055] (1) Copper foil surface pretreatment: ultrasonically clean the copper foil with acetone and ethanol for 30 minutes at room temperature, and then wash it with deionized water. Polish the copper foil by immersing it in the polishing solution, and then rinse it with deionized water.

[0056] The copper foil is copper;

[0057] The polishing solution is an aqueous solution of phosphoric acid. Wherein, the volume ratio of NMP and deionized water is 0.6.

[0058] (2) Electrolyte preparation: The electrolyte is composed of n-methylpyrrolidone (NMP) and deionized water. Dissolve NMP in deionized water, prepare a certain concentration of NMP aqueous solution, and ultrasonically disperse within a certain temperature range for 30 minutes.

[0059] In the described electrolyte, the volume ratio of NMP and deionized water is 0.1;

[0060] The te...

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Abstract

The invention discloses a method for establishing a diamond-like film on the surface of metal by electrolyzing organic matter. According to the method, a stainless steel electrode with a thin manganese oxide layer being deposited on the surface serves as the anode, a polished metal sheet serves as the cathode, constant-voltage electrolysis is conducted in an electrolyte solution containing carbon source organic matter, and the diamond-like film is obtained on the cathode. According to the preparation method, the process is simple, operation is easy, no complex equipment is needed, the cost is low, the diamond-like carbon film can grow on the surface of a substrate with the complex morphological structure, and the film base binding force is good.

Description

technical field [0001] The invention belongs to the field of chemical industry and relates to a method for preparing a diamond-like film, in particular to a method for constructing a diamond-like film on a metal surface by electrolyzing organic matter. Background technique [0002] Compared with other metal corrosion-resistant materials such as stainless steel, copper has the advantages of good electrical conductivity, thermal conductivity, wear resistance and corrosion resistance, and easy processing. It is widely used in various fields from daily chemical industry to marine exploration. However, various copper alloys currently on the market are often difficult to meet the requirements of practical applications in terms of seawater corrosion resistance. In recent years, with the improvement of comprehensive national strength, my country is increasing the development and utilization of the ocean, and it is of great significance to actively develop new corrosion-resistant cop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D9/08
CPCC25D9/08
Inventor 张全生雷天辉尹佳佳马可张建辉贾李李程素贞张伟
Owner SHANGHAI INST OF TECH
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