Effects of Catalyst on the Transmittance and Stability of SiO2 Antireflective Film Prepared by Sol-Gel Method

Kun Peng; E. Chen; Ling Ping Zhou; Jia Jun Zhu; De Yi Li

doi:10.4028/www.scientific.net/AMR.834-836.462

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836Effects of Catalyst on the Transmittance and...

Effects of Catalyst on the Transmittance and Stability of SiO₂ Antireflective Film Prepared by Sol-Gel Method

Abstract:

SiO₂ antireflective films were prepared by sol-gel method with TEOS as the raw materials and acid or ammonia as catalyst. The effects of different catalysts on the transmittance and the stability of film were investigated. The prepared base catalyzed SiO₂ film has better antireflective effects than that of film acid catalyzed film, but the corrosion-resistance of SiO₂ film catalyzed by acid was better than that of film catalyzed by base, the average transmittance in the range of 400-900nm of acid-catalyzed film after 50h salt spray test was about 93.8%, which was higher than that of base-catalyzed film.