Synthesis and Optical Properties of Unsymmetrical Conjugated Dendrimers Focally Anchored with Perylenes in Different Geometries

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Abstract
Two sets of light-harvesting monodendrons with unsymmetrical conjugated phenylacetylene branches and perylene cores, one with π-conjugation from the branches to the core and one without, were synthesized and their photophysical properties were studied by steady-state and time-resolved spectroscopic methods. These monodendrons show comparably high fluorescence quantum yields and efficient energy-transfer properties.