4.7 Article

Metal-Controlled Assembly of Near-Infrared-Emitting Pentanuclear Lanthanide β-Diketone Clusters

Journal

INORGANIC CHEMISTRY
Volume 49, Issue 6, Pages 2583-2585

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ic902513z

Keywords

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Funding

  1. Welch Foundation [F-1631]
  2. PRF/ACS [47022-G3]
  3. National Science Foundation [CHE-0741973, CHE-0847763]
  4. UTCNM
  5. University of Texas
  6. Direct For Mathematical & Physical Scien
  7. Division Of Chemistry [0847763] Funding Source: National Science Foundation
  8. Division Of Chemistry
  9. Direct For Mathematical & Physical Scien [741973] Funding Source: National Science Foundation

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Metal-controlled assembly results in a series of lanthanide clusters with the formula of Ln(5)(DBM)(10)(OH)(5)center dot n(solvent) (DBM = dibenzoylmethanido; Ln = Nd (1), Gd (2), Er (3), and Yb (4); solvent = CH3CN or toluene). These pentanuclear clusters with square-pyramidal core structures have been characterized by X-ray diffraction analysis. Clusters 1, 3, and 4 show typical near-infrared (NIR) luminescence upon excitation at 350 nm, which represents the first examples of pentanuclear lanthanide clusters with sensitized NIR emission.

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