Journal
CHEMICAL PHYSICS LETTERS
Volume 726, Issue -, Pages 34-38Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2019.04.031
Keywords
Nb2O5 photocatalyst; Superhydrophilicity; Underwater superoleophobicity; Oleic acid; Self-cleaning
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The underwater oil wettability of a flat Nb2O5 photocatalyst surface prepared by a sol-gel based method was investigated. The Nb2O5 surface exhibited photocatalytic oxidation and photo-induced superhydrophilic properties under UV irradiation, and its activity was comparable to those of anatase-type TiO2 surfaces prepared by a sol-gel based method. The surface exhibited excellent underwater superoleophobicity toward n-hexadecane and oleic acid. The underwater oil repellency was superior to that of the TiO2 surface.
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