Journal
CHEMISTRY LETTERS
Volume 40, Issue 4, Pages 354-356Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2011.354
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Funding
- Environmental Technology Development Department of New Energy and Industrial Technology Development Organization (NEDO) [P07020]
- Faculty of Science and Engineering, Kinki University
- Grants-in-Aid for Scientific Research [23560935] Funding Source: KAKEN
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Photocatalytic activity of cerium(IV) oxide (CeO2) particles in decomposition of acetic acid in aqueous suspension was examined under irradiation of visible light. Acetic acid was decomposed to carbon dioxide (CO2) and the rate of CO2 formation was increased by loading of 0.1 wt% cocatalysts (Pt, Au, Rh, Ru, Pd, Ag, Cu, and Ir) on CeO2 by photodeposition. Cocatalysts showed almost the same levels of enhancement of CO2 evolution, i.e., Ag/CeO2 and Cu/CeO2 exhibited rates similar to that of Pt/CeO2. The action spectrum revealed that decomposition of acetic acid was induced by photoabsorption of CeO2.
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