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Creation of enhanced transmission for clear and frosted glass through facile surface texturing

In this study, we present a facile method to enhance the transmittance of soda lime glasses through hydrothermal processing. By adjusting the treated parameters, we obtain two types of glass with enhanced transmission: one frosted glass and one clear glass. Our results show that after surface modification with ammonium hydroxide solution, the transmittance of the frosted glass reach more than 95%. Scanning electron microscopy studies reveal that the treated surface is covered with irregular micro-craters. On the other hand, the treated clear glass is covered with extensive nanoflakes structure. We achieve a maximum of 5.4% transmittance enhancement for the clear glass over a wide wavelength range, to 96.7% for normal incidence.