Nano light absorption composite material and preparation method thereof, and coated film preparation method
A composite material and nanotechnology, applied in the fields of photovoltaic power generation, electrical components, circuits, etc., can solve the problems of high light reflectivity, mechanical damage on the surface of silicon wafers, and less industrial use, etc., to increase the refraction path, increase the absorption area, reduce the The effect of reflection loss
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Embodiment 1
[0063] In Example 1, the particle size of zinc oxide is 1-10 μm, the particle size of titanium dioxide is 1-5 μm, the particle size of calcium titanium oxide and perovskite is 0.1-5 μm, and the mass ratio of zinc oxide to titanium dioxide is It is 0.2 / 0.4--0.8 / 0.2.
Embodiment 2
[0064] In Example 2, the particle size of zinc oxide is 1-10 μm, the particle size of titanium dioxide is 1-5 μm, the particle size of zinc sulfide is 1-5 μm, and the particle size of gallium nitride and perovskite are both 0.1-5μm, the mass ratio of the sum of zinc oxide and zinc sulfide to titanium dioxide is 0.2 / 0.4--0.8 / 0.2, and the mass ratio of zinc oxide to zinc sulfide is 0.35 / 0.35-0.65 / 0.35.
Embodiment 3
[0065] In Example 3, the particle size of zinc oxide is 0.01-1 μm, the particle size of titanium dioxide is 5-10 μm, the particle size of magnesium oxide and cadmium telluride is 1-6 μm, and the particle size of perovskite is 0.1-1 μm, the mass ratio of the sum of magnesium oxide and zinc oxide to titanium dioxide is 0.3 / 0.7-0.7 / 0.3.
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