Abstract
Herein, we report the synthesis and characterization of a novel series of dendritic compounds, bearing peripheral pyrene groups and a porphyrin core, of zero and first generation with different spacer lengths. These compounds were further metallated with Zn(II) and Mg(II). The optical properties of these dendritic molecules were studied by absorption and fluorescence spectroscopy. After metallation, the dendritic porphyrins exhibited a red shift in the Soret absorption band and a blue shift in the emission band. All compounds exhibited high energy transfer efficiency, reaching values of EFRET above 99%.
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