Fluorescence lifetimes and emission patterns probe the 3D orientation of the emitting chromophore in a multichromophoric system.

Abstract

In this Communication, we report on the fluorescence behavior of an individual first generation multichromophoric dendrimer. The fact that each of the chromophores in time acts as a fluorescent trap is demonstrated by directly probing the dipole orientation of the emitting chromophore by means of defocused wide-field imaging and comparing experimental and… (More)