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Method for zinc oxide film coating

A zinc oxide and coating technology, which is applied to the device for coating liquid on the surface, pretreatment surface, coating and other directions, can solve the problems such as restricting the application of sol-gel method, and achieve the effect of simple manufacturing process and low cost

Inactive Publication Date: 2011-08-31
江苏佳源铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the sol-gel method is more suitable for large-area coating, the sol-gel method generally adopts the pulling method and the spin coating method (swing film method), and its technology and the stability of the sol restrict the sol-gel method. Application in large-scale large-scale production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Step (1). Put zinc acetate and oleic acid in a container at a molar ratio of 0.05:1, heat at 50°C for 10 minutes to obtain a uniform transparent solution; then reflux at 120°C for 40 minutes; then heat at 60°C The lower heat preservation spare;

[0011] Step (2). Put the glass sheet into the acetone solution and clean it with ultrasonic vibration for 30 minutes; then heat the cleaned glass sheet to 40°C; apply the solution obtained in step (1) to the heated After the surface of the glass sheet;

[0012] Step (3). Dry the glass sheet coated with the solution at 150° C. for 3 hours; then heat-treat at 400° C. for 6 hours, and then cool naturally to obtain a zinc oxide coating.

Embodiment 2

[0014] Step (1). Put zinc acetate and oleic acid in a container at a molar ratio of 0.2:1, heat at 80°C for 3 minutes to obtain a uniform transparent solution; then reflux at 150°C for 30 minutes; The lower heat preservation spare;

[0015] Step (2). Put the glass sheet into the acetone solution and clean it with ultrasonic vibration for 20 minutes; then heat the cleaned glass sheet to 60°C; use the screen printing method to apply the solution obtained in step (1) to the heated After the surface of the glass sheet;

[0016] Step (3). Dry the glass sheet coated with the solution at 250° C. for 1 hour; then heat-treat at 450° C. for 3 hours, and then cool naturally to obtain a zinc oxide coating.

Embodiment 3

[0018] Step (1). Put zinc acetate and oleic acid in a container at a molar ratio of 0.1:1, heat at 60°C for 5 minutes to obtain a uniform transparent solution; then reflux at 140°C for 35 minutes; then heat at 70°C The lower heat preservation spare;

[0019] Step (2). Put the glass sheet into the acetone solution and clean it with ultrasonic vibration for 25 minutes; then heat the cleaned glass sheet to 50°C; apply the solution obtained in step (1) to the heated After the surface of the glass sheet;

[0020] Step (3). Dry the glass sheet coated with the solution at 200° C. for 2 hours; then heat-treat at 420° C. for 4 hours, and then cool naturally to obtain a zinc oxide coating.

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PUM

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Abstract

The invention relates to a method for zinc oxide film coating. The existing method is not suitable for large-area film coating. The method comprises the following steps of: firstly, zinc acetate and oleic acid are mixed and heated according to the mol ratio of 0.05 to 0.2: l to obtain a uniform transparent solution which is refluxed in the 120-150 DEG C condition and is processed by heat preservation for standby application; glass sheets are put into an acetone solution and washed for 20 to 30 minutes by supersonic oscillations; a silk-screen printing method is adopted for depositing the solution on the surface of the heated glass sheets; the glass sheets deposited with the solution is dried for 1 to 3 hours in the temperature of 150 to 250 DEG C, is heated for 3 to 6 hours in the temperature of 400 to 450 DEG C, and then is naturally cooled to obtain the zinc oxide film coating. The zinc oxide film coating prepared in the invention has very small response to the transmittance of sunlight visible light, but can absorb ultraviolet light strongly. The method has the simple manufacturing process, non-toxicity and low cost.

Description

technical field [0001] this invention The invention belongs to the field of film technology, and relates to a film coating method of a semiconductor thin film, specifically a film coating method of a wide bandgap semiconductor zinc oxide film. Background technique [0002] Zinc oxide has a bandgap width of 3.3eV and is an important functional material, which has broad application prospects in optoelectronic devices, such as ultraviolet lasers, ultraviolet detectors, and so on. In addition, zinc oxide has a relatively large band gap and has strong absorption properties for ultraviolet rays with a wavelength of less than 380nm. Therefore, zinc oxide films can be used as excellent ultraviolet absorbing materials to shield ultraviolet rays. For example, helmets and spectacle lenses are coated with Zinc oxide can protect the eyes from ultraviolet radiation. If the window glass is coated with zinc oxide, people in the car or indoors do not have to worry about skin being burned by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D7/24B05D3/00B05D3/10B05D3/12
Inventor 赵士超
Owner 江苏佳源铝业有限公司