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      Synthesis of symmetrical multichromophoric bodipy dyes and their facile transformation into energy transfer cassettes

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      Author
      Bozdemir, O. A.
      Cakmak, Y.
      Sozmen F.
      Ozdemir, T.
      Siemiarczuk, A.
      Akkaya, E. U.
      Date
      2010
      Source Title
      Chemistry - A European Journal
      Print ISSN
      0947-6539
      Electronic ISSN
      1521-3765
      Volume
      16
      Issue
      21
      Pages
      6346 - 6351
      Language
      English
      Type
      Article
      Item Usage Stats
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      160
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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.
      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
      Permalink
      http://hdl.handle.net/11693/22310
      Published Version (Please cite this version)
      http://dx.doi.org/10.1002/chem.200903449
      Collections
      • Department of Chemistry 594
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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