期刊
APPLIED SURFACE SCIENCE
卷 253, 期 3, 页码 1489-1493出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2006.02.035
关键词
perovskites; oxygen species; XPS; catalytic oxidation; propane
A detailed study of the La1-xCaxCoO3 perovskites surface by XPS was carried out since this is a potentially useful tool to identify the oxygen species involved in the catalytic reaction and discriminate them. Mainly, the concentration of surface oxygen vacancies (lambda') can be estimated from the XPS atomic ratio. (c) 2006 Elsevier B.V. All rights reserved.
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