ChemInform Abstract: Reaction Between Ba and N2O in Large Arn Clusters

Autor:	Jean-Michel Mestdagh, X. Biquard, C. G. Hickman, A. Lallement, P. de Pujo, J. Cuvellier, J. P. Visticot, J. Berlande, P. Meynadier, Olivier Sublemontier
Rok vydání:	2010
Předmět:	Argon Chemistry Analytical chemistry Quantum yield chemistry.chemical_element General Medicine Solvent Crossed molecular beam Excited state Atom Physics::Atomic and Molecular Clusters Cluster (physics) Molecule Physics::Chemical Physics
Zdroj:	ChemInform. 25
ISSN:	0931-7597
DOI:	10.1002/chin.199410003
Popis:	The collision between a Ba atom and an Arn cluster carrying N2O molecules has been investigated under crossed molecular beam conditions. The argon cluster acts as a solvent for the Ba+N2O reaction, which is monitored through its chemiluminescent channel forming electronically excited BaO. The effects of cluster size and the number of N2O molecules per cluster have been investigated systematically as have the effects of extra molecules present upon the cluster (CH4). It has been shown that (i) the BaO reaction product either stays solvated in the cluster or is lost from the cluster; (ii) the reaction probability between Ba and N2O is approximately unity for the clusters considered here; (iii) the chemiluminescence quantum yield decreases as the number of N2O molecules per cluster is increased. The effect of a thermal bath (the argon cluster) on the dynamics of the well studied gas phase reaction Ba+N2O is discussed.
Databáze:	OpenAIRE
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