Synthesis and luminescent properties of sub-5-nm lanthanide oxides nanoparticles

The authors introduce a new method for the synthesis of luminescent nano-sized particles. Ultrafine, equiaxed and monodisperse rare-earth oxide particles with an av. grain diam. in the range 2-5 nm were prepd. by applying direct pptn. from high-boiling polyalc. solns. Colloidally stable suspension o...

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Bibliographic Details
Published in:Journal of luminescence 2003-05, Vol.102-103, p.445-450
Main Authors: Bazzi, R., Flores-Gonzalez, M.A., Louis, C., Lebbou, K., Dujardin, C., Brenier, A., Zhang, W., Tillement, O., Bernstein, E., Perriat, P.
Format: Article
Language:English
Subjects:
Engineering Sciences
Materials
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Summary:The authors introduce a new method for the synthesis of luminescent nano-sized particles. Ultrafine, equiaxed and monodisperse rare-earth oxide particles with an av. grain diam. in the range 2-5 nm were prepd. by applying direct pptn. from high-boiling polyalc. solns. Colloidally stable suspension of luminescent nanoparticles is formed. The lanthanide doped nanoparticles are easily, quant. and reproducibly prepd. The materials were characterized by using high-resoln. TEM, absorption spectroscopy and luminescence spectroscopy. A very significant modification of the luminescent properties is obsd. Lanthanide sesquioxides Ln2O3 and doped Ln3+ Y or Gd oxides are presented (Ln = Eu, Tb, Nd)
ISSN:0022-2313
1872-7883
DOI:10.1016/S0022-2313(02)00588-4