Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 3, Pages 1385-1388Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am405549p
Keywords
TiO2; oxygen vacancy; anodization; visible light; photocatalysis
Funding
- Grants-in-Aid for Scientific Research [25420707] Funding Source: KAKEN
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Defective TiO2-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 TiO2-x was exposed and exhibited remarkable photocatalytic activity.
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