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Defective black TiOTiO₂ synthesized via anodization for visible-light photocatalysis
Junye Dong1, Jie Han, Yangsi Liu
1Department of Chemical & Materials Engineering, The University of Auckland , Auckland 1142, New Zealand.
ACS Applied Materials & Interfaces
|February 5, 2014
Abstract:
Defective TiO(2-x) was synthesized via a facile anodization technique. Electron paramagnetic resonance spectra confirmed the presence of oxygen vacancy, which extended the photon-absorbance deeply into the visible-light region. By stripping off the nanotubes on top, a hexagonally dimpled layer of black TiO(2-x) was exposed and exhibited remarkable photocatalytic activity.
