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Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Structural and optical characterization of nanosized La(OH)3:Sm3+ phosphor.


PMID 22659282

Abstract

In the present work, Sm(3+) doped La(OH)(3) nano-phosphor (~40 nm) has been synthesized using combustion synthesis method and detailed structural and spectroscopic characterizations are carried out. On excitation with 532 nm, several photoluminescence peaks extending over green to NIR regions have been observed and assigned to be due to 4f-4f transitions of Sm(3+) ions. A bright orange-red perception is observed in annealed sample, which is 10 times higher than as synthesized sample. Time resolved emission spectroscopy reveals pronounced effect of heating, which induce good crystalline in the host.

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447226
Lanthanum(III) hydroxide, 99.9% trace metals basis
H3LaO3