Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 109, Issue 1, Pages 57-63Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2005.03.016
Keywords
synthesis; mesoporous WO3 and CeO2; gas sensor; HRTEM
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In order to increase the surface area, mesoporous oxides have been synthesized. In this work, we have used mesoporous silica SBA-15 and KIT-6 as a template for the synthesis of different semiconductor oxides: CeO2 and WO3. These materials show a small particle size, about 5-10nm, and a high surface area. As required increase the sensitivity when used for gas sensing applications. XRD and HRTEM studies reveal that the silica host has been completely removed; therefore, the nanowires constitute a self-supported superlattice. (c) 2005 Elsevier B.V. All rights reserved.
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