Effects of Copper(II) Oxide Addition and Red Light Irradiation on Photocatalytic Activity of Indium Oxide under Irradiation of Visible Light

Effects of Copper(II) Oxide Addition and Red Light Irradiation on Photocatalytic Activity of Indium Oxide under Irradiation of Visible Light

Copper(II) oxide (CuO)-modified indium oxide (In2O3) prepared by physical mixing efficiently mineralized acetone under irradiation of light from a blue LED. The reaction rate increased with additional irradiation of light from a red LED, though no reactions occurred over CuO and In2O3 under irradiat...

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Veröffentlicht in:Chemistry letters 2013-04, Vol.42 (4), p.419-421
Hauptverfasser: Sasaki, Yasutomo, Tanaka, Atsuhiro, Hashimoto, Keiji, Kominami, Hiroshi
Format: Artikel
Sprache:eng
Schlagworte:
Acetone
Excitation
Indium oxides
Irradiation
Light irradiation
Light-emitting diodes
Oxides
Photocatalysis
Spectra
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Zusammenfassung:Copper(II) oxide (CuO)-modified indium oxide (In2O3) prepared by physical mixing efficiently mineralized acetone under irradiation of light from a blue LED. The reaction rate increased with additional irradiation of light from a red LED, though no reactions occurred over CuO and In2O3 under irradiation of the red light, indicating that band-gap excitation of CuO contributed to photocatalytic reaction over CuO–In2O3. The effect of CuO modification was also observed in action spectra with and without irradiation of the red light.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.121287