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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Published Version (Please cite this version)

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English