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Keywords:

  • Membranes;
  • Nanowires;
  • Photocatalysis;
  • Titanium dioxide

Abstract

A novel, multifunctional TiO2 nanowire ultrafiltration (UF) membrane with a layered hierarchical structure is made via alkaline hydrothermal synthesis, followed by a filtration and hot-press process. The TiO2 UF membrane has high surface porosity (21.3%) and pore size values around 20 nm. The membrane possesses multifunctional capabilities under UV irradiation, such as anti-fouling, anti-bacterial, concurrent separation, and photocatalytic oxidation. The unique properties of the membrane indicate its potential in applications for environmental purification.