Chemicals and Chemistry Business
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Henan Normal University reports research in physical chemistry
April 16th, 2010
According to recent research from Xinxiang, People's Republic of China, "With the use of the DFT+U method, the properties Of Cu adsorbed oil the stoichiometric CeO2(111) Surface, Cu-doped CeO2(111) (denoted as Cu0.08Ce0.92O2) surface, and CO oxidation oil the stoichiometric Cu0.08Ce0.92O2 Surface are Studied systematically."
"It is found that (i) Cu is stable both as an adsorbed atom oil the Surface and as dopant in the surface region. Cu adsorbed at the surface is Cu(+I) while Cu as a dopant atom is Cu(+II). (ii) The Cu dopant Facilitates O-vacancy formation considerably, while Cu adsorption on the stoichiometric CeO2(111) surface may suppress oxygen vacancy formation....
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Source: Chemicals and Chemistry Business (2010-04-16)