Anti-reflection coating and super-hydrophobic self-cleaning anti-reflection coating and preparation method thereof
A kind of anti-reflection anti-reflection and self-cleaning technology, applied in the field of nanomaterial preparation, can solve the problems of limited applicable conditions, unsatisfactory durability, blocking orifices, etc., and achieve the effects of simple equipment, low cost, and easy industrialization
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[0042] Example 1
[0043] Anti-reflection coating: a layer of SiO with a particle size of 10-30nm 2 Nanoparticle composition, and its preparation method includes the following steps:
[0044] (1) Add 3-6mL ammonia water and 50-150mL absolute ethanol into an Erlenmeyer flask and stir at room temperature for 8-12 minutes, stir at 50-70 degrees Celsius for 1-3 minutes, and add 2-4mL ethyl orthosilicate dropwise with stirring Ester (TEOS), stirred vigorously at 50-70 degrees Celsius for 10-14 hours to obtain a translucent suspension containing SiO with a diameter of 10-30 nm 2 Spherical nano particle suspension, and diluted into a suspension with a mass fraction of 0.1% to 1% for later use;
[0045] (2) Immerse the ordinary glass sheet into the newly prepared Pirahana solution (the mass concentration of H is about 98% 2 SO 4 With a mass concentration of about 30% H 2 O 2 The mixed solution with a volume ratio of 7:3) for 5-20 minutes, take it out, wash it with distilled water, and blow d...
Example Embodiment
[0050] Example 2
[0051] Anti-reflection coating: consists of four layers of SiO with a particle size of 10-30nm 2 Nanoparticle composition, and its preparation method includes the following steps:
[0052] (1) Add 3-6mL ammonia water and 50-150mL absolute ethanol into an Erlenmeyer flask and stir at room temperature for 8-12 minutes, stir at 50-70 degrees Celsius for 1-3 minutes, and add 2-4mL ethyl orthosilicate dropwise with stirring Ester (TEOS), continue to stir at 50-70 degrees Celsius for 10-14 hours to obtain a translucent suspension containing SiO with a diameter of 10-30 nm 2 Spherical nano particle suspension, and diluted into a suspension with a mass fraction of 0.1% to 1% for later use;
[0053] (2) Immerse the ordinary glass sheet into the newly prepared Pirahana solution (the mass concentration of H is about 98% 2 SO 4 With a mass concentration of about 30% H 2 O 2 The mixed solution with a volume ratio of 7:3) for 5-20 minutes, take it out, wash it with distilled wat...
Example Embodiment
[0058] Example 3
[0059] Anti-reflection coating: consists of eight layers of SiO with a particle size of 10-30nm 2 Nanoparticle composition, and its preparation method includes the following steps:
[0060] (1) Add 3-6mL ammonia water and 50-150mL absolute ethanol into an Erlenmeyer flask and stir at room temperature for 8-12 minutes, stir at 50-70 degrees Celsius for 1-3 minutes, and add 2-4mL ethyl orthosilicate dropwise with stirring Ester (TEOS), continue to stir at 50-70 degrees Celsius for 10-14 hours to obtain a translucent suspension containing SiO with a diameter of 10-30 nm 2 Spherical nano particle suspension, and diluted into a suspension with a mass fraction of 0.1% to 1% for later use;
[0061] (2) Immerse the ordinary glass sheet into the newly prepared Pirahana solution (the mass concentration of H is about 98% 2 SO 4 With a mass concentration of about 30% H 2 O 2 The mixed solution with a volume ratio of 7:3) for 5-20 minutes, take it out, wash it with distilled wa...
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