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A hydrophobic nanoporous antireflective (AR) SiO2 coating was deposited on poly(methyl methacrylate) (PMMA) substrate by sol-gel process. The average transmittance of PMMA substrate with designed SiO2 coating in the region of 400–1100nm was higher around 6.3% than that of substrates (92.0%). It was noted that a maximum transmittance of 99.9% was achieved at the wavelength of 550nm. The poly(methyl...
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