Underwater superoleophobicity of Nb 2 O 5 photocatalyst surface

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3 Citations (Scopus)


The underwater oil wettability of a flat Nb 2 O 5 photocatalyst surface prepared by a sol-gel based method was investigated. The Nb 2 O 5 surface exhibited photocatalytic oxidation and photo-induced superhydrophilic properties under UV irradiation, and its activity was comparable to those of anatase-type TiO 2 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 TiO 2 surface.

Original languageEnglish
Pages (from-to)34-38
Number of pages5
JournalChemical Physics Letters
Publication statusPublished - Jul 1 2019


  • Nb O photocatalyst
  • Oleic acid
  • Self-cleaning
  • Superhydrophilicity
  • Underwater superoleophobicity

ASJC Scopus subject areas

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

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