Jean-Claude Bunzli - Sensitized near-IR luminescence of lanthanide complexes based on push-pull diketone derivatives

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  Baek,N.S., Kim,Y.H., Eom,Y.K., Oh,J.H., Kim,H.K., Aebischer,A.,   Gumy,F., Chauvin,A.S., Bunzli,J.C.G. Dalton Transactions  2010 39 (6) 1532-1538

  Abstract: Lanthanide complexes with two   push-pull diketone derivatives as sensitizers have been developed   as synthons for near-infrared emitting materials. The ligand   substituents consist of a carbazole moiety with hole-transport   properties and an aromatic or heteroaromatic unit. According to   quantitative NMR analysis and complementary HPLC experiments, the   diketones are predominantly in their enolic form in polar   solvents such as THF and MeCN at room temperature. The preferred   cis-enol form contributes strongly to the binding of lanthanide   ions (Ln = Nd, Gd, Er). The resulting tris(diketonate) ternary   complexes with terpyridine (Ln = Nd, Er) display sizeable near-IR   emission with long luminescence lifetimes

  Address (URL): WOS:000273961100020

 

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