Fabrication of Ultrahydrophobic ZnO by Vapor Phase Transport

Abstract:

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A ultrahydrophobic ZnO film was synthesized on the Si substrates by a novel vapor phase transport method. The surface structural properties of as-synthesized ZnO film was characterized using scanning electron micrograph (SEM). The contact angles and the rolling angles on such films were measured through an optical contact angle meter. Wettability studies revealed the films exhibited a ultrahydrophobic behaviour with a higher contact angle of 166.8°±6.8° and lower rolling angle of less than 2°-a water droplet moved easily on the surface. SEM showed that compared with pure smooth nickel surface, a lotus-like structrure with micro-nano hierarchical papillae was obviously observed on the ultrahydrophobic ZnO film surface. Such a speccial surface microstructure may result in the ultrahydrophobicity.

Info:

Periodical:

Advanced Materials Research (Volumes 282-283)

Edited by:

Helen Zhang and David Jin

Pages:

753-756

DOI:

10.4028/www.scientific.net/AMR.282-283.753

Citation:

Z. J. Xi et al., "Fabrication of Ultrahydrophobic ZnO by Vapor Phase Transport", Advanced Materials Research, Vols. 282-283, pp. 753-756, 2011

Online since:

July 2011

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Price:

$35.00

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