Abstract
The effects of silicon oil addition on the optical properties and crystallinity of self-assembled SIO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> photonic crystal were examined using a silica nanopowder. The silica nanopowder was fabricated using the well-known Stober process. The photonic crystals were self-assembled by evaporation method. During the evaporation process, the nanopowder was 0.4 wt%, the process temperature was 80degC, and the heat-treatment temperature after evaporation was 100~300degC. The addition of paraffin can reduce the defects in the photonic crystal layer resulting in good crystallinity and transmittance. It is believed that paraffin can enhance the bonding force between silica nanopowders.
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