Abstract

The photoluminescent properties of one-dimensional LaPO4:Eu nanowires were studied in contrast with the corresponding zero-dimensional nanoparticles, micrometer particles, and micrometer rods. The results indicate that in nanowires Eu3+ ions occupied two different symmetry sites, unlike in nanoparticles and micrometer particles. Furthermore, the radiative transition rate of D51J F7J or D50J F7J and the internal luminescent quantum efficiency of Eu3+ in the nanowires showed obvious improvement over that in the other powders.

© 2005 Optical Society of America

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