| Abstract
| - The synthesis and photophysical evaluation of novel cationic (5+) lanthanide−transition-metal ion complexes is described. These complexes were designed with the aim of developing novel NIR luminescent self-assembly architectures where the NIR emission can be probed by excitation of the Ru component of the conjugate. Using our design principle, the distance between the d−f ions is minimal, which should facilitate fast energy transfer from the Ru component to the lanthanide excited state.
- The development of novel mixed lanthanide−transition-metal (f−d) based supramolecular self-assemblies made from neodymium-and ytterbium-based tetraamide-functionalized cyclen complexesbearing a single 1,10-phenanthroline moiety coordinating to a RuII(bipy)2 (bipy = bipyridine) unit is described. Excitation of the Ru(II) metal-to-ligand charge-transfer band in water gave rise to long-wavelength sensitized emission from the Yb(III) or Nd(III) centers,observed in the near-infrared.
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