Specific quenching of the photoexcited state of tris(2,2′-bipyridine)ruthenium(II) by colloidal prussian blue

Abstract
Static quenching of the photoexcited state of the tris(2,2′-bipyridine(ruthenium(II) complex by colloidal prussian blue (PB) in water has been studied. The quenching behaviour has been analysed in terms of stepwise complex formation between Ru(bpy)2+ 3 and PB which obeys Poisson statistics. The binding of the Ru complex to the colloidal PB particle is discussed.

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