4.6 Article

Energy storage TiO2-MoO3 photocatalysts

Journal

ELECTROCHIMICA ACTA
Volume 49, Issue 12, Pages 2025-2029

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2003.12.032

Keywords

photocatalysts; UV-irradiation; energy

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MoO3 was characterized and compared with WO3 as an energy storage material for TiO2 photocatalysts. MoO3 exhibits larger charging and discharging capacities than does WO3 when electrochemically charged at -0.4 V versus Ag/AgCl (photopotential of TiO2). Self-discharging is also faster, reflecting greater ability for oxygen reduction. MoO3 combined with TiO2 is chargeable under UV light in a NaCl solution and in moisturized air. (C) 2004 Elsevier Ltd. All rights reserved.

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