Enhancement of nitrogen physisorption in coadsorption with oxygen on free, positively charged silver clusters.
The coadsorption of molecular nitrogen and oxygen on small cationic silver clusters in the gas phase is experimentally studied. The presence of oxygen enhances the adsorption probabilities of N2. This indicates a partial charge transfer out of the finite free electron reservoir of the small silver particles into the chemisorbed oxygen molecule.
Schmidt
M
M
Laboratoire Aimé Cotton, CNRS, Bât 505, Campus d'Orsay, 91405 Orsay Cedex, France. Martin.Schmidt@lac.u-psud.fr
Masson
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A
Bréchignac
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C