Underwater superoleophobicity of Nb2O5 photocatalyst surface

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6 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)34-38
Number of pages5
JournalChemical Physics Letters
Volume726
DOIs
Publication statusPublished - Jul 2019

Keywords

  • NbO photocatalyst
  • Oleic acid
  • Self-cleaning
  • Superhydrophilicity
  • Underwater superoleophobicity

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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