Journal
CHINESE JOURNAL OF CATALYSIS
Volume 34, Issue 12, Pages 2223-2229Publisher
SCIENCE PRESS
DOI: 10.1016/S1872-2067(12)60689-5
Keywords
Wormhole-like mesoporous LaFeO3; Perovskite-type oxide; Hard template method; Carbon monoxide oxidation; Toluene oxidation
Funding
- National Natural Science Foundation of China [21103005, 21077007]
- Natural Science Foundation of Beijing Municipality [KZ200610005004]
- Discipline and Postgraduate Education Foundation [PXM2013_014204_07_000261, 005000542513551]
- Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality [PHR201107104]
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Wormhole-like orthorhombic LaFeO3 catalysts (LFO-1 and LFO-2) were prepared using the KIT-6 and SiO2 nanospheres as template, respectively. LFO-1 showed better catalytic activity with T-50% and T-90% of 155 and 180 degrees C for CO oxidation, and of 200 and 253 degrees C for toluene oxidation at 20000 mL/(g.h). The excellent catalytic performance was associated with its larger surface area (138 m(2)/g), higher adsorbed oxygen concentration, and better low-temperature reducibility as well as a wormhole-like mesoporous structure. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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