A Markedly Cntrollable Adhesion of Superhydrophobic Sponge-like Nanostructure TiO2 Films

	Clean Technology 2008 Chapter 9: Environmental & Sensor Technologies
	A Markedly Cntrollable Adhesion of Superhydrophobic Sponge-like Nanostructure TiO2 Films
Authors:	Y. Lai, C. Lin, J. Huang, H. Zhuang, L. Sunb, T. Nguyen
Affilation:	Xiamen University, CN
Pages:	636 - 639
Keywords:	superhydrophobic, adhesion, nanostructure, TiO2, electrochemical
Abstract:	A method consisting of electrochemical anodization and self-assembling of hydrophobic-hydrophilic mixture has been employed to fabricate superhydrophobic sponge-like nanostructured TiO2 surfaces with remarkably controllable adhesion. Water adhesion ranged from ultra-low (5.0 N) to very high (76.6 N) can be altered by varying the nitro cellulose concentration in the perfluorooctyltriethoxysilane (PTES) self-assembled monolayer formed on the nanostructured TiO2 surface. Significant increase of the water adhesion by nitro cellulose molecules is attributed to a combination of the hydrogen bonding formed between the nitro groups in the sample and the water hydroxyl and the disruption of the dense packed hydrophobic PTES molecules. This method of preparing superhydrophobic nanostructure TiO2 films with a wide range of adhesion to water has many potential applications.
ISBN:	1-4200-8502-0
Pages:	724
Order:	Online/Mail/Fax Ordering Options
Indexes:	Keywords, Authors, Affiliations
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Clean Technology 2008

Chapter 9: Environmental & Sensor Technologies

A Markedly Cntrollable Adhesion of Superhydrophobic Sponge-like Nanostructure TiO2 Films