FTIR and optical transmittance investigation of hydrophobic SiO2-Al2O3 composite films

Linlin Tian; Langfang Yao; Shuo Wang; Ruiqing Xu; Lin Li; Xueling Fang

doi:10.1117/12.888185

18 February 2011 FTIR and optical transmittance investigation of hydrophobic SiO₂-Al₂O₃ composite films

Linlin Tian, Langfang Yao, Shuo Wang, Ruiqing Xu, Lin Li, Xueling Fang

Proceedings Volume 7995, Seventh International Conference on Thin Film Physics and Applications; 79950V (2011) https://doi.org/10.1117/12.888185
Event: Seventh International Conference on Thin Film Physics and Applications, 2010, Shanghai, China

Abstract

The hydrophobic and transparent SiO₂-Al₂O₃ composite films were prepared by the sol-gel process using tetraethoxysliane (TEOS) and aluminium isopropoxide Al(C₃H₇O)₃ as precursors, methyltriethoxysilane (MTES) and cetyltrimethylammonium bromide (CTAB) as chemical modifier and surfactant respectively. Optimum condition for the SiO₂-Al₂O₃ nano-composite films with hydrophobic and transparent as well as mechanical properties simultaneously is investigated. It was found that the Si/Al molar ratio should be 1:0.008 and the calcined temperature should be 300°C. The infrared spectra of the films indicated that the hydrophobic surface of the film was due by the introduction of the methyl groups.

Citation Download Citation

Linlin Tian, Langfang Yao, Shuo Wang, Ruiqing Xu, Lin Li, and Xueling Fang "FTIR and optical transmittance investigation of hydrophobic SiO₂-Al₂O₃ composite films", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950V (18 February 2011); https://doi.org/10.1117/12.888185

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