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Issue
Korean Journal of Chemical Engineering,
Vol.30, No.1, 62-66, 2013
Photocatalytic effects of plasma-heated TiO2-x particles under visible light irradiation
Chae YK, Park JW, Mori S, Suzuki M
The photocatalytic characteristics of partially reduced TiO2 (TiO2-x) by plasma treatment and plasma-heated treatment were investigated in the visible-light region. For the visible-light photocatalytic activity of TiO2-x, plasmaheated treatment shows stronger than plasma treatment significantly. The TiO2-x by plasma-heated treatment shows broader red-shifted absorption bands than one by plasma treatment in the visible-light region. The surface color of TiO2-x by plasma treatment and plasma-heated treatment changed from white to sky blue, and to navy, respectively. After exposure to air, the surface color of TiO2-x changed from sky blue to white for plasma treatment and from navy to beige for plasma-heated treatment.
Keywords: TiO2-x; Photocatalytic Oxidation of 2-Propanol; Plasma-heated Treatment; Photocatalyst; Visible-light Irradiation
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[Cited By]
  1. Heo JH, You MS, Im SH, Korean Chemical Engineering Research, 51(6), 774, 2013
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