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Super‐hydrophilic porous TiO 2 ‐ZnO composite thin films without light irradiation
Author(s) -
Li Zhenzi,
Hou Yan,
Ma Baohua,
Wu Xiaoyan,
Xing Zipeng,
Li Kang
Publication year - 2016
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12308
Subject(s) - superhydrophilicity , materials science , porosity , scanning electron microscope , contact angle , chemical engineering , thin film , calcination , composite number , irradiation , surface roughness , copolymer , coating , nanotechnology , composite material , polymer , chemistry , organic chemistry , catalysis , physics , nuclear physics , engineering
A serial of porous TiO 2 ‐ZnO composite thin films have been successfully synthesized by a facile one‐pot dip‐coating method, utilizing the amphiphilic triblock copolymer Pluronic P123 as the surfactant, and the Ti(O n Bu) 4 and ZnCl 2 as the inorganic sources. The resultant materials are characterized in detail by X‐ray diffraction, atomic force microscopy, scanning electron microscopy and water contact angle measurements. The results indicate that the porous TiO 2 ‐ZnO thin film after being calcined at 550°C possesses superhydrophilicity without light irradiation, which could be attributed to the high surface roughness and porous structure. What's more, it exhibits the long‐term superhydrophilic stability, which would have potential applications in fields of environment. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1121–1124, 2016