Visible light region silica double nano hollow spherical crown structure antireflection film and preparation method thereof
A silicon dioxide and hollow sphere technology, applied in optics, optical components, instruments, etc., can solve problems such as unfavorable color capture, affecting color reproduction, etc., and achieve the effect of firm bonding and excellent anti-friction performance.
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[0032] SiO in the visible region of the present invention 2 The preparation method of double-spherical crown nanometer anti-reflection film, comprises the following steps:
[0033] The first step, the preparation of the double-period polystyrene colloidal microsphere mixed solution;
[0034] Mix polystyrene colloidal crystals of two sizes according to a certain volume ratio, and then mix them with water and absolute ethanol according to a volume ratio of 1:1; then, put them into an ultrasonic cleaning machine for cleaning for 15 minutes, take them out and wait for use.
[0035] The colloid ball solution is a polystyrene colloid crystal solution with a mass ratio of 10%.
[0036] The second step, the synthesis of double-period polystyrene colloidal crystal templates;
[0037] Take a clean petri dish, a clean quartz glass piece in the middle of the dish, and then inject deionized water to cover the quartz piece, the height of the water submerging the quartz piece is <1mm; the...
Embodiment 1
[0055] Synthesis of 50 / 240nm dual-period polystyrene colloidal crystal templates:
[0056] Sonicate the polystyrene colloidal crystal solution with a mass ratio of 10% for 10 minutes, then take 10 μl of colloidal microspheres with a diameter of 50 nm, mix them with 80 μl of colloidal spheres with a diameter of 240 nm, and then take 600 μl each of deionized water and absolute ethanol For preparation, a mixed solution was prepared, and then ultrasonic cleaning was performed for 10 minutes. Then put a clean quartz plate in a petri dish with a diameter of 8 cm, and then inject deionized water around the glass plate so that the liquid level is slightly higher than the plane of the glass plate by about 1 mm; then, use a pipette Slowly inject 200 microliters of the mixed solution on the glass slide, and the colloidal microspheres will be self-assembled at the air-liquid interface to form a single-layer colloidal crystal template, and then inject deionized water into the petri dish to...
Embodiment 2
[0058] Synthesis of 60 / 200nm dual-periodic polystyrene colloidal crystal templates:
[0059] Sonicate the polystyrene colloidal crystal solution with a mass ratio of 10% for 10 minutes, then take 10 μl of colloidal microspheres with a diameter of 60 nm, mix them with 50 μl of colloidal spheres with a diameter of 200 nm, and then take 400 μl each of deionized water and absolute ethanol For preparation, make a mixed solution, and then ultrasonically clean for 10 minutes. Then put a clean quartz piece in the petri dish, inject deionized water around the glass piece so that the liquid level is slightly higher than the plane of the glass piece by about 1 mm; then, use a pipette to slowly inject on the glass piece 200 microliters of the mixed solution, under the action of the surface tension at the edge of the quartz plate, the colloidal microspheres will self-assemble at the air-liquid interface to form a single-layer double-period colloidal crystal template; then, inject deionized...
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