Preparation and characterization of Ag/MnOx/perovskite catalysts for CO oxidation
The spray decomposition method with lanthanum nitrate, manganese nitrate, silver nitrate and citric acid was used to synthesize Ag-and Mn-incorporated perovskites. The resulting samples were characterized by X-ray diffraction, BET adsorption measurement, X-ray photoelectron spectroscopy, and temperature-programmed oxygen desorption (O-2-TPD) measurement. The obtained composite Ag/MnOx/perovskites catalysts exhibit higher activity by a few orders of magnitude at 338 K than that of LaMnO3. From the O-2-TPD measurement, the high activity of the Ag/MnOx/perovskites may result from the increase of weak oxygen adsorption below 373 K.
- Publisher
- SPRINGER
- Issue Date
- 1997
- Language
- English
- Article Type
- Article
- Keywords
PEROVSKITE-TYPE OXIDES; COMBUSTION; REDUCTION
- Citation
CATALYSIS LETTERS, v.49, no.1-2, pp.65 - 68
- ISSN
- 1011-372X
- Appears in Collection
- CBE-Journal Papers(저널논문)
- Files in This Item
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