Highly luminescent Tb( iii ) cluster for the sensitization of Eu( iii ) through f → f energy transfer for LED applications

A new class of Na–Ln nanoclusters was synthesized with the general formula [Ln 2 L′ 2 (hfac) 4 (tfa) 2 ]·Na 2 L 2 , where Ln = Tb (TbC), Eu (EuC) or Gd (GdC).