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Sol–Gel Synthesis of Methyl Modified Optical Silica Coatings and Gels from DDS and TEOS

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Abstract

Methyl modified silica coatings and gels were prepared from dimethyldiethoxysilane and tetraethylorthosilicate via sol–gel processing and spin-coating. The as-synthesized coatings showed not only anti-reflectivity but also hydrophobicity and high laser damage thresholds compared to pure silica coatings without methyl modification. The existence of methyl groups in the framework was demonstrated by IR and NMR spectroscopy. The microstructure of the xerogels obtained were also characterized and will be discussed.

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Authors and Affiliations

  1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, P.R. China

    Ye Zhang, Dong Wu, Yuhan Sun & Shaoyi Peng

Authors
  1. Ye Zhang
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  2. Dong Wu
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  3. Yuhan Sun
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  4. Shaoyi Peng
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Correspondence to Ye Zhang.

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Zhang, Y., Wu, D., Sun, Y. et al. Sol–Gel Synthesis of Methyl Modified Optical Silica Coatings and Gels from DDS and TEOS. J Sol-Gel Sci Technol 33, 19–24 (2005). https://doi.org/10.1007/s10971-005-6694-y

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  • DOI: https://doi.org/10.1007/s10971-005-6694-y

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