Journal
MATERIALS LETTERS
Volume 107, Issue -, Pages 138-140Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.05.132
Keywords
Layered double hydroxides; Photocatalyst; Carbon dioxide; Noble metals
Funding
- Nippon Sheet Glass Foundation for Materials Science and Engineering
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan
- Grants-in-Aid for Scientific Research [25708037] Funding Source: KAKEN
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Zn-Cr layered double hydroxide (Zn-Cr LDH) and noble metal (Pt, Pd, Au) loaded Zn-Cr LDHs were prepared, and the photocatalytic reduction of CO2 was evaluated. All samples exhibited photocatalytic conversion of CO2 to CO under UV irradiation. Among them, 0.1 mass% Pt-loaded LDH exhibited the highest performance. This is attributed to the fact that noble metals act as a co-catalysts, not only for the reduction of recombination of electrons and holes, but also for the enhancement of multi-electron reductive reactions. (C) 2013 Elsevier B.V. All rights reserved.
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