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Amplified luminescence in organo-curium nanocrystal hybrids.

  • Author(s): Agbo, Peter
  • Müller, Alexander
  • Arnedo-Sanchez, Leticia
  • Ercius, Peter
  • Minor, Andrew M
  • Abergel, Rebecca J
  • et al.
Abstract

We present the first report of ligand-sensitized, actinide luminescence in a lanthanide nanoparticle host. Amplified luminescence of 248Cm3+ doped in a NaGdF4 lattice is achieved through optical pumping of a surface-localized metal chelator, 3,4,3-LI(1,2-HOPO), capable of sensitizing Cm3+ excited states. The data suggest the possibility of using such materials in theranostic applications, with a ligand-sensitized actinide or radio-lanthanide serving the dual roles of a nuclear decay source for radiotherapeutics, and as a luminescent center or energy transfer conduit to another emissive metal ion, for biological imaging.

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