Preparation and Characterization of Nickel Oxide-Based Superhydrophobic Surface

Abstract:

A superhydrophobic nickel oxide (NiO) surface with hierarchical micro- and nanostructures was obtained by a novel and facile method. The water contact angle and sliding angle of the superhydrophobic NiO surface were 156±1.9º and 3º, respectively. The superhydrophobic NiO surface made the substrate float on the water surface and showed high buoyancy. Execept for pure water, the superhydrophobicity of the superhydrophobic NiO surface remained unchanged when contacting with salt aqueous solutions. After being stored in ambient environment for 8 months, the superhydrophobic property remained constant, and no contamination was observed on the superhydrophobic NiO surface.

• Periodical: Advanced Materials Research (Volumes 557-559)
• Pages: 1807-1810
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.557-559.1807
• Online since: July 2012
• Authors: Zhi Qing Yuan, Xi Hai Hao, Ji Ping Bin, Xian Wang, Hong Chen
• Keywords: Contact Angle (CA), Nickel Oxide (NiO), Sliding Angle, Superhydrophobic Surface

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