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The paper presents a simple fabrication method of porous silica xerogel films. By adding a surface active agent Triton X-100™ to the starting solution, we can considerably reduce the surface tension, which, in turn, allows to fabricate silica films of high porosity. The paper presents the influence of surfactant content and the influence of heating temperature on the refractive index and thickness...
The work presents optical properties of sol‐gel derived porous silica films of low refractive index, from 1.2 to 1.3. Due to low refractive index, the porous silica films can be applied to reduce the light reflection coefficient. This allows porous silica films as good candidates for the antireflective coatings (ARC) production. The spectroscopic ellipsometric measurements have been performed for...
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