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FUNDP - Dr Vosch - The creation and study of silver metal cluster

Le Jeudi 15 Janvier 2009 de 11h00 à 11h00



Thursday, January 15th, 2009



Katholieke Universiteit Leuven
Afdeling Moleculaire en Nanomaterialen

3001 Heverlee, Belgium

"The creation and study of silver metal cluster"

Noble metals exhibit a variety of behaviors from bulk to clusters. When sufficiently small to preclude the continuous density of states of the bulk, silver nano-clusters for example exhibit strong fluorescence from discrete energy levels. Molecular silver nano-clusters for example (Ag2 to Ag8) and their charged counterparts have been reported to strongly fluoresce in the visible spectrum within rare gas matrices, on silver oxide surfaces, as well as in aqueous solutions. These small silver nano-clusters show molecular behavior with well defined electronic structures identified by both experiments and calculations. By using an appropriate scaffold, aggregation of these small clusters can be avoided and in this way these. Noble metal clusters can be the basis for the generation of new fluorescent labels and materials.

When and where:

Thursday January 15th 2009 at 11:00

FUNDP, Rue Grafé 2, B-5000 Namur

Faculty of Sciences,

Chemistry & Physics buildings

Room CH1

Dernière mise à jour par EDT MAIN Vendredi 9 Janvier 2009