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Proceedings Article

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

[+] Author Affiliations
Linlin Tian, Langfang Yao, Shuo Wang, Ruiqing Xu, Lin Li, Xueling Fang

Univ. of Shanghai for Science and Technology (China)

Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950V (February 17, 2011); doi:10.1117/12.888185
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From Conference Volume 7995

  • Seventh International Conference on Thin Film Physics and Applications
  • Junhao Chu; Zhanshan Wang
  • Shanghai, China | September 24, 2010

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.

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Citation

Linlin Tian ; Langfang Yao ; Shuo Wang ; Ruiqing Xu ; Lin Li, et al.
"FTIR and optical transmittance investigation of hydrophobic SiO2-Al2O3 composite films", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950V (February 17, 2011); doi:10.1117/12.888185; http://dx.doi.org/10.1117/12.888185


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