Web Release Date: September 16,
Synthesis and Luminescence of Lanthanide Ions in Nanoscale Insulating Hosts
Received April 1, 1998 Revised Manuscript Received June 24, 1998 Abstract: This review summarizes recent work in nanostructured insulating materials that contain
optically active lanthanide ions. These materials find applications in lasers, optical
amplifiers, and optical-display phosphors. This review concentrates on the synthesis and
luminescence spectroscopy of lanthanide-containing nanostructured particles, films, and
composites. Spectroscopic studies range from basic luminescence spectroscopy and quantum
efficiency measurements to high-resolution spectroscopic studies that investigate the phonon
dynamics and electron-phonon interaction as a function of particle size. This review
identifies several areas for further study, including the location, distribution, or segregation
of dopants in nanoparticles; the efficiency of energy transfer across interfaces; and the effects
of quantum confinement or changes in phonon dynamics and electron-phonon interactions
on the radiative and nonradiative relaxation rates in localized luminescent dopants.
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