Journal
CATALYSIS TODAY
Volume 184, Issue 1, Pages 178-183Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2011.10.027
Keywords
TiO2; (La,Sr)MnO3; Composite nanorod array; Catalysts; CO oxidation
Funding
- University of Connecticut
- Honda Initiation Grant
- Department of Energy
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Ordered TiO2/(La,Sr)MnO3 composite nanorod array catalysts have been successfully fabricated by using a combination of hydrothermal synthesis and radio-frequency (RF) magnetron sputtering method on Si and glass substrates. Electron microscopy, energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), and Brunauer-Emmett-Teller (BET) method are used to characterize the structure, morphology, composition and surface area of the as-prepared nanorod arrays. The TiO2/(La,Sr)MnO3 core-shell nanorod arrays exhibit an enhanced CO oxidation activity compared to TiO2 nanorods, which might be due to the lattice oxygen in (La,Sr)MnO3. The TiO2/(La,Sr)MnO3 composite nanorod array may provide a promising class of nanocatalysts for energy and environment applications. (C) 2011 Elsevier B.V. All rights reserved.
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