Methane oxidation by lanthanum oxide doped with Cu, Zn, Mg, Fe, Nb, Ti, Zr, or Ta: The connection between the activation energy and the energy of oxygen-vacancy formation

Source
Catalysis Letters
ISSN
1011372X
Date Issued
2013-05-01
Author(s)
Derk, Alan R.
Li, Bo
Moore, George M.
McFarland, Eric W.
Metiu, Horia
DOI
Volume
143
Issue
5
Abstract
We measure the effective activation energy of methane oxidation catalyzed by La<inf>2</inf>O<inf>3</inf> doped with Cu, Zn, Mg, Fe, Nb, Ti, Zr, or Ta. We find that the measured activation energy is a linear function of the calculated energy of oxygen-vacancy formation. Graphical Abstract: [Figure not available: see fulltext.] © 2013 Springer Science+Business Media New York.
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URI
Subjects
Activation energy | Doped oxide | Heterogeneous catalysis | Lanthana | Methane | Oxidation