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E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo and D. Zhao Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications Advanced Functional Materials 17

Version of Record online: 20 JUN 2007 | DOI: 10.1002/adfm.200600722

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Detection of NO2 at concentrations in the ppb range using mesoporous tungsten oxides is described. WO3 materials have been synthesized from SBA-15 and KIT-6 silica templates (see figure). Influence of mesostructure type on gas sensing properties is shown and discussed. Addition of chromium to the WO3 matrix improves both sensor response and response time.

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