Synthesis of symmetrical multichromophoric bodipy dyes and their facile transformation into energy transfer cassettes
Date
2010
Authors
Bozdemir, O. A.
Cakmak, Y.
Sozmen F.
Ozdemir, T.
Siemiarczuk, A.
Akkaya, E. U.
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Abstract
Multichromophoric boron-dipyrromethene (Bodipy) dyes synthesized on phenylene-ethynylene platforms have been be converted to energy transfer cassettes in a one-step chemical transformation. Excitation energy transfer processes in these highly symmetrical derivatives were studied in detail, including time-re-solved fluorescence spectroscopy techniques. Excitation spectra and the emission lifetimes suggest efficient energy transfer between the donor and acceptor chromophore. These novel energy transfer cassettes, while highlighting a short-cut approach to similar energy transfer systems, could be useful as large pseudo-Stokes shift multichromophoric dyes with potential applications in diverse applications.
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Chemistry - A European Journal
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Keywords
Dyes/pigments, Sonogashixa coupling, Chemical transformations, Dipyrromethene, Diverse applications, Donor and acceptor, Dyes/pigments energy transfer, Efficient energy transfer, Emission lifetime, Energy-transfer systems, Excitation spectrum, Fluorescence spectroscopy techniques, Potential applications, Stokes shift, Boron, Boron compounds, Chromophores, Fluorescence spectroscopy, Fluorophores, Synthesis (chemical), Energy transfer
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English