Temperature effect in the crystallite size and the photoluminescence of nanocrystalline ZrO2:Sm3+ phosphor

Elder De la Rosa; Luis Armando Diaz-Torres; Pedro Salas; Rubén A. Rodríguez; Carlos Angeles

doi:10.1117/12.560620

14 October 2004 Temperature effect in the crystallite size and the photoluminescence of nanocrystalline ZrO₂:Sm³⁺ phosphor

Elder De la Rosa, Luis Armando Diaz-Torres, Pedro Salas, Rubén A. Rodríguez, Carlos Angeles

Author Affiliations +

Proceedings Volume 5510, Nanophotonic Materials; (2004) https://doi.org/10.1117/12.560620
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Nanocrystalline ZrO2:Sm³⁺ doped at 2 mol% was prepared by sol-gel process and the structure and photoluminescence characterization as function of the annealing temperature were performed. Strong visible fluorescence emission produced by transitions ⁴G_5/2→⁴H_5/2,7/2,9/2 of Sm³⁺ was obtained by energy transfer process exciting the host at 320 nm and by direct excitation at 408 nm. The experimental results show a quenching of the emission bands by reducing the annealing temperature that is associated with a high content of tetragonal structure. Furthermore, an important change in the structure of the signal emitted was observed when ion was excited directly and the annealing temperature was reduced. These results suggest the possibility to tune the emission of ZrO₂:Sm₃₊ nanophosphor.

Citation Download Citation

Elder De la Rosa, Luis Armando Diaz-Torres, Pedro Salas, Rubén A. Rodríguez, and Carlos Angeles "Temperature effect in the crystallite size and the photoluminescence of nanocrystalline ZrO₂:Sm³⁺ phosphor", Proc. SPIE 5510, Nanophotonic Materials, (14 October 2004); https://doi.org/10.1117/12.560620

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