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Preparation method of anti-reflection self-cleaning coating on glass surface

A self-cleaning coating and glass surface technology, which is applied in the field of preparation of anti-reflection self-cleaning coatings on glass surfaces, can solve the problems of hydrophobic surfaces with reduced hydrophobicity and self-cleaning properties, and can not take into account anti-reflection and self-cleaning, etc., to achieve Enhanced anti-reflection performance, improved hydrophilicity, and increased roughness

Active Publication Date: 2022-04-26
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method often cannot take into account both anti-reflection and self-cleaning, or due to the adsorption and accumulation of dust and organic pollutants in the air on the surface, the hydrophobicity and self-cleaning properties of many hydrophobic surfaces are reduced.

Method used

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  • Preparation method of anti-reflection self-cleaning coating on glass surface
  • Preparation method of anti-reflection self-cleaning coating on glass surface
  • Preparation method of anti-reflection self-cleaning coating on glass surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Step 1: Mix 15mL ethanol (AR, commercially available) solution and 35mL water (deionized water) solution, then add 0.08gCTAB (commercially available), 0.15mL tetrabutyl titanate (AR, commercially available) one by one under stirring ) solution and 0.04mL TEOS (AR, commercially available) solution, stirred at room temperature for 8h.

[0047] Step 2: 20 μL of ammonium hydroxide (AR, commercially available) solution (25 wt%) was added to the solution of step 1, stirred for 15 minutes, and then allowed to stand at room temperature for 5 minutes.

[0048] Step 3: Sonicate the glass substrate in deionized water for at least 15 min, then place it in 800mLmin -1 Process 10min in the oxygen plasma processor (70w);

[0049] Step 4: Put the glass substrate after the oxygen plasma treatment into a Teflon container and add the solution prepared in step 2 therein, put the container containing the reaction solution and the glass substrate in a 60°C oven, and put it in a static condi...

Embodiment 2

[0056] Step 1: Mix 15mL ethanol (AR, commercially available) solution and 35mL water (deionized water) solution, then add 0.06gCTAB (commercially available), 0.12mL tetrabutyl titanate (AR, commercially available) one by one under stirring ) solution and 0.06mL TEOS (AR, commercially available) solution, stirred at room temperature for 8h.

[0057] Step 2: 20 μL of ammonium hydroxide (AR, commercially available) solution (25 wt%) was added to the solution of step 1, stirred for 15 minutes, and then allowed to stand at room temperature for 5 minutes.

[0058] Step 3: Sonicate the glass substrate in deionized water for at least 15 min, then place it in 800mLmin -1 Process 10min in the oxygen plasma processor (70w);

[0059] Step 4: Put the glass substrate after the oxygen plasma treatment into a Teflon container and add the solution prepared in step 2 therein, put the container containing the reaction solution and the glass substrate in a 60°C oven, and put it in a static condi...

Embodiment 3

[0065] Step 1: Mix 15mL ethanol (AR, commercially available) solution and 35mL water (deionized water) solution, then add 0.04g CTAB (commercially available), 0.1 tetrabutyl titanate (AR, commercially available) one by one under stirring solution and 0.01mL TEOS (AR, commercially available) solution, stirred at room temperature for 8h.

[0066] Step 2: 20 μL of ammonium hydroxide (AR, commercially available) solution (25 wt%) was added to the solution of step 1, stirred for 15 minutes, and then allowed to stand at room temperature for 5 minutes.

[0067] Step 3: Sonicate the glass substrate in deionized water for at least 15 min, then place it in 800mLmin -1 Treat in the oxygen plasma treatment apparatus (70w) and process 10min;

[0068] Step 4: Put the glass substrate after the oxygen plasma treatment into a Teflon container and add the solution prepared in step 2 therein, put the container containing the reaction solution and the glass substrate in a 60°C oven, and put it i...

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Abstract

The invention belongs to the field of photovoltaic glass, and in particular relates to a method for preparing an anti-reflection self-cleaning coating on the surface of glass, which is used to improve the anti-reflection performance of the glass. In the method, the glass substrate is first treated with oxygen plasma to make its surface with Negative charge; then the glass substrate is immersed in a solution containing a surfactant for solvothermal reaction, so that the coating film precursor grows on the glass surface; finally, the glass substrate is taken out and sintered. The method can form a coating with a lower refractive index and doped titanium oxide on the glass surface, thereby reducing the reflectivity of the glass and improving the hydrophilicity and self-cleaning performance of the glass surface. Research shows that the average diffuse reflectance of the coated glass prepared by the invention decreases and the average transmittance increases. In addition, the coating also improves the hydrophilic performance of the glass surface, making it have a certain self-cleaning function. This method is of great significance to the photovoltaic glass industry.

Description

technical field [0001] The invention belongs to the field of photovoltaic glass, and in particular relates to a preparation method of an anti-reflection self-cleaning coating on a glass surface. Background technique [0002] The surface of photovoltaic systems is usually covered by glass, and photovoltaic glass is one of the important factors that determine the photoelectric conversion efficiency of solar cells. For ordinary glass, the incident light will be partially reflected at the glass / air interface, and with the prolongation of use time, its surface will be polluted, further reducing the transmittance of incident light. Therefore, reducing the reflectivity of the glass surface and making it have a self-cleaning function is of great significance for improving the energy conversion efficiency of photovoltaic systems. [0003] Applying an additional coating to the glass surface is a common way to reduce its reflectivity, such as the sol-gel method. However, this method ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/25
Inventor 姜禾史超张利宏万莉张帅
Owner CHANGZHOU UNIV