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The Fabrication and Switchable Superhydrophobicity of TiO2 Nanorod Films
Xinjian Feng Jin Zhai and Lei Jiang*
TiO2 nanorod films with special micro- and nanoscale hierarchical surface structures have been prepared. A remarkable controllable surface wettability that shows reversible superhydrophobicity / superhydrophilicity which is a challenge in surface chemistry is observed on this inorganic oxide nanorod film. The cooperation of the hierarchical surface microstructures the orientation of the crystal planes and the surface photosensitivity are considered to be responsible for this behavior.
Angew. Chem. Int. Ed. 2005 44 5115－5118
a) Low-magnification FE-SEM image of a TiO2 nanorod film deposited on a glass wafer.
b) morphology of a single papilla at high magnification.
