Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 19, Issue 1, Pages 157-160Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2012.07.018
Keywords
LaCoO3 perovskite oxides; Microwave process; Photocatalytic decomposition; Methyl orange
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2011-0006722]
- Brain Busan 21 Project
- National Research Foundation of Korea [2011-0006722] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have investigated the photocatalytic activity for the decomposition of methyl orange on the LaCoO3 perovskite-type oxides prepared at different conditions using microwave process. In the case of LaCoO3 catalysts calcined above 500 degrees C, the formation of the perovskite crystalline phase was confirmed. From the results of UV-Vis DRS, all the catalysts have the similar absorption spectrum up to visible region. The chemisorbed oxygen plays an important role on the photocatalytic decomposition of methyl orange and the higher the contents of chemisorbed oxygen, the better the performance of photocatalyst. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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