Helical aromatic oligoamide foldamers as organizational scaffolds for photoinduced charge transfer

  • Wolffs, M.
  • Delsuc, N.
  • Veldman, D.
  • Nguyễn, V.A.
  • Williams, R.M.
  • Meskers, S.C.J.
  • Janssen, R.A.J.
  • Huc, I.
  • Schenning, A.P.H.J.
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Publication date
January 2009

Abstract

Here we report the synthesis and characterization of four quinoline-derived foldamers with increasing oligomeric length; dimer O2P, tetramer O4P, pentamer O5P, and nonamer O9P functionalized with on one end an oligo(p-phenylene vinylene) (OPV) and on the other end a perylene bisimide (PB) chromophore. H-1 NMR confirms the formation of the expected folded structures in both toluene and chloroform solution. The structural predictability and rigidity of the oligomeric series enabled us to investigate the effect of a helical bridge and chromophore position on the photoinduced processes in the electron OPV-PB donor-acceptor pair in chloroform and toluene. The helical properties of the bridge ensured that the chromophore separation distance throu...

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