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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Supervisor
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Source Title
Chemistry - A European Journal
Print ISSN
0947-6539
Electronic ISSN
1521-3765
Publisher
Volume
16
Issue
21
Pages
6346 - 6351
Language
English
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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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Published Version (Please cite this version)