Mao-Gang, Gong and Xiao-Liang, Xu and Zhou, Yang and Yan-Song, Liu and Ling, Liu (2010) Superhydrophobic surfaces via controlling the morphology of ZnO micro/nano complex structure. Chinese Physics B, 19 (5). 056701.
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Official URL: http://stacks.iop.org/1674-1056/19/i=5/a=056701
ZnO micro/nano complex structure films, including reticulate papillary nodes, petal-like and flake-hole, have been self-assembled by a hydrothermal technique at different temperatures without metal catalysts. The wettability of the above film surfaces was modified with a simple coating of heptadecafluorodecyltrimethoxy-silane in toluene. After modifying, the surface of ZnO film grown at 50 Â°C was converted from superhydrophilic with a water contact angle lower than 5Â° to superhydrophobic with a water contact angle of 165Â°. Additionally, the surface of reticulate papillary nodes ZnO film grown at 100 Â°C had excellent superhydrophobicity, with a water contact angle of 173Â° and a sliding angle lower than 2Â°. Furthermore, the water contact angle on the surface of petal-like and flake-hole ZnO films grown at 150 Â°C and 200 Â°C were found to be 140Â° and 120Â°, respectively. The wettability for the samples was found to depend strongly on the surface morphology which results from the growth temperature.
|Deposited By:||Prof. Alexey Ivanov|
|Deposited On:||01 Nov 2011 23:29|
|Last Modified:||02 Nov 2011 00:47|
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