Cross-sectional SEM images of (a) the bare glass and (b) sample B, which is the 50-nm-thick -coated glass.
(a) Calculated transmittance and (b) measured transmittance spectra of samples A, B, and the bare glass. (c) Degradation comparison of the normalized as a function HAST time. (d) XPS survey spectra of samples A, B, and the bare glass after the 108 h HAST.
(a) Experimentally retrieved refractive indices of glass, , and . The inset is a schematic representation of the corresponding AR design with two-sided coating. (b) Contour plot of the as a function of thicknesses of and .
(a) Calculated transmittance and (b) measured transmittance spectra of samples C, D, and the bare glass. Inset shows the cross-sectional SEM image of sample D.
Degradation comparison of the normalized as a function the HAST time for samples C, D, and the bare glass.
Calculated contour plots of the average transmittance, , as a function of thickness and refractive index of a low-index layer above the layer with the thickness of (a) 25 nm and (b) 50 nm.
Calculated and measured for the various samples.
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