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Temperature Control of Mussel‐Inspired Chemistry toward Hierarchical Superhydrophobic Surfaces for Oil/Water Separation
Author(s) -
Wang Yanbing,
Shang Bin,
Hu Xiaoxi,
Peng Bo,
Deng Ziwei
Publication year - 2017
Publication title -
advanced materials interfaces
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.671
H-Index - 65
ISSN - 2196-7350
DOI - 10.1002/admi.201600727
Subject(s) - materials science , wetting , wafer , nanotechnology , melamine , chemical engineering , selectivity , silicon , composite material , organic chemistry , optoelectronics , chemistry , catalysis , engineering
By adopting polydopamine chemistry, a single‐step approach is introduced toward hierarchical surfaces with tunable surface wetting properties via adjusting the reaction temperature. After the hydrophobic surface decoration, the tunable superhydrophobicity of the surfaces is achieved. This tunability has been realized on a series of materials with different surface geometries, including silica nanospheres and microrods, silicon wafer, stainless steel mesh, and melamine‐formaldehyde sponge. These superhydrophobic mesh and sponge are ideal candidates for collecting various oils/organic solvents from water, because not only they exhibit high absorption/separation capacity, excellent selectivity, and extraordinary recyclability, but also they are highly chemically resistant, environmentally stable and mechanically durable. This whole procedure is straightforward, cost‐effective, green, and material‐ and surface geometry‐independent, more importantly, the obtained surface morphology is tunable, providing more opportunities to cater the demands from fundamental and practical fields.