Synthesis and Properties of Sub-50-nm Eu
β
G. Wakefield; H.A. Keron; P.J. Dobson; J.L. Hutchison
π
Article
π
1999
π
Elsevier Science
π
English
β 258 KB
Eu2O3 nanocrystals are synthesized by a colloidal precipitation route in the size range 2-40 nm. The nanocrystals are passivated with a surface layer of trioctyl phosphine oxide (TOPO) in order to eliminate surface recombination effects. When pumped at 254 nm (4f --> 5d transition) the nanocrystals