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Proceedings Paper

Optically transparent superhydrophobic silica-based coatings
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Paper Abstract

Optically transparent superhydrophobic silica-based coatings were obtained by means of sol-gel processing and self-assembling. Superhydrophobicity was achieved through a combination of enhanced surface roughness by incorporating nanoclusters and modification of surface chemistry by self-assembly. The self-assembly monolayer (SAM) was prepared using the chemical coupling reaction between chlorosilyl groups and hydroxylated coating surface. The optical transparence of such hydrophobic coatings was found to be higher than 95%, which is attributed to the fact that the roughness scale is too small to scatter the visible light. The water contact angle was of approximately 150°.

Paper Details

Date Published: 24 November 2003
PDF: 8 pages
Proc. SPIE 5224, Nanomaterials and Their Optical Applications, (24 November 2003); doi: 10.1117/12.524191
Show Author Affiliations
Mary H. Shang, Univ. of Washington (United States)
Ying Wang, Univ. of Washington (United States)
Steven J. Limmer, Univ. of Washington (United States)
Tammy P. Chou, Univ. of Washington (United States)
Guozhong Cao, Univ. of Washington (United States)

Published in SPIE Proceedings Vol. 5224:
Nanomaterials and Their Optical Applications
Guozhong Cao; Younan Xia; Paul V. Braun, Editor(s)

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