Hydrophobic and spectrum selective glass for solar cell and manufacturing method of glass

[0053] Such as figure 2 As shown, a solar cell glass with hydrophobic effect and spectral selectivity, wherein:

[0054] The low-iron ultra-clear patterned glass substrate 1 has a thickness of 3.20mm and a transmittance of 91.40%;

[0055] The spectrally selective film layer 4 is obtained from the ingredients in Example 1, the porosity of the film layer is less than 10%, and the film layer refractive index n 2 =1.90, film thickness d 2 =75nm;

[0056] Hydrophobic film layer 5 is obtained by the composition in embodiment 1, and particle diameter is about 15~40nm, and film layer porosity is about less than 10%, and film layer refractive index n 1 =1.50, film thickness d 1 = 95nm.

[0057] In the production method of this embodiment, the temperature in step 3) is 400°C; the temperature in step 5) is 200°C.

[0058] The glass for solar cell that is made by the above-mentioned steps, the surface water contact angle of its hydrophobic film layer 5 is 118 ° (being 32 ° before coa

[0060] A solar cell glass with hydrophobic effect and spectral selectivity, its structure is also as figure 2 shown, where:

[0061] The low-iron ultra-clear patterned glass substrate 1 has a thickness of 3.24mm and a transmittance of 91.52%;

[0062] Spectrum selective film layer 4 is made up of the composition in embodiment 2, and film layer porosity is less than 10%, and film layer refractive index n 2 =1.81, film thickness d 2 =75nm;

[0063] Hydrophobic film layer 5 is made up of the composition in embodiment 2, and particle diameter is about 15~40nm, and film layer porosity is about less than 10%, and film layer refractive index n 1 =1.45, film thickness d 1 = 95nm.

[0064] The manufacturing method is the same as that of Example 1, wherein the temperature in step 3) is 410°C; the temperature in step 5) is 210°C.

[0065] The solar cell glass obtained through the above steps has a surface water contact angle of 113° (32° before the coating), and a spectral transmittanc

[0067] Such as figure 2 As shown, a solar cell glass with hydrophobic effect and spectral selectivity, wherein:

[0068] The low-iron ultra-clear patterned glass substrate 1 has a thickness of 3.22mm and a transmittance of 91.50%;

[0069] The spectrally selective film layer 4 is obtained from the ingredients in Example 3, the porosity of the film layer is less than 10%, and the film layer refractive index n 2 =1.85, film thickness d 2 =75nm;

[0070] Hydrophobic film layer 5 is obtained by the composition in embodiment 3, and particle diameter is about 15~40nm, and film layer porosity is about less than 10%, and film layer refractive index n 1 =1.48, film thickness d 1 = 95nm.

[0071] Its manufacturing method is the same as that of Example 1, wherein the temperature of step 3) is 420°C; the temperature of step 5) is 230°C.

[0072] The solar cell glass made by the above steps, the surface water contact angle of its hydrophobic film layer 5 is 116 ° (32 ° before coating),