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Modulation of volume fraction results in different kinetic effects in Belousov-Zhabotinsky reaction confined in AOT-reverse microemulsion.

par Álvarez, Eva Villar;Carballido Landeira, Jorge ;Guiu-Souto, Jacobo;Taboada, Pablo;Munuzuri, Alberto A.P.
Référence The Journal of Chemical Physics, 134, 9, page (094512)
Publication Publié, 2011-03

Article révisé par les pairs

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Résumé :

The effects of volume fraction modulations on a Belousov-Zhabotinsky reaction catalyzed by the photosensitive Ru(bpy)(3)(+2) confined in an AOT microemulsion system are analyzed. Kinetic observables such as the induction time or the initial oscillation period demonstrate two different types of correlation with the volume fraction depending on whether the system is below or above the microemulsion percolation threshold. Temporal evolution also demonstrates an exponential growth of the period with the number of oscillations independent of the volume fraction of the system.