Investigation on the improvement of red phosphorescence in CaTiO3:Pr3+ nanoparticles

Xianmin Zhang; Jiahua Zhang; Meiyuan Wang; X. Zhang; H. Zhao; Xiao Jun Wang

doi:10.1016/j.jlumin.2007.12.010

Investigation on the improvement of red phosphorescence in CaTiO₃:Pr³⁺ nanoparticles

Xianmin Zhang, Jiahua Zhang, Meiyuan Wang, X. Zhang, H. Zhao, Xiao Jun Wang

Research output: Contribution to journal › Article

16 Citations (Scopus)

Abstract

Red phosphorescence in nanosized CaTiO₃:Pr³⁺ phosphors has been investigated by measuring the spectra of emission and excitation, as well as the charging and decay processes. The emission intensity and the persistent time have been improved. More energy traps have been observed in nanoparticles compared to the bulk powders. The integral emission intensity from the nanoparticles is remarkably greater than that from the bulk. A phosphorescence recombination mechanism through tunneling in nanoparticles is discussed.

Original language	English
Pages (from-to)	818-820
Number of pages	3
Journal	Journal of Luminescence
Volume	128
Issue number	5-6
DOIs	https://doi.org/10.1016/j.jlumin.2007.12.010
Publication status	Published - 2008 May 1

Keywords

CaTiO:Pr
Nanoparticles
Phosphorescence

ASJC Scopus subject areas

Biophysics
Biochemistry
Chemistry(all)
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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Zhang, X., Zhang, J., Wang, M., Zhang, X., Zhao, H., & Wang, X. J. (2008). Investigation on the improvement of red phosphorescence in CaTiO₃:Pr³⁺ nanoparticles. Journal of Luminescence, 128(5-6), 818-820. https://doi.org/10.1016/j.jlumin.2007.12.010

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AU - Zhang, Xianmin

AU - Zhang, Jiahua

AU - Wang, Meiyuan

AU - Zhang, X.

AU - Zhao, H.

AU - Wang, Xiao Jun

PY - 2008/5/1

Y1 - 2008/5/1

N2 - Red phosphorescence in nanosized CaTiO3:Pr3+ phosphors has been investigated by measuring the spectra of emission and excitation, as well as the charging and decay processes. The emission intensity and the persistent time have been improved. More energy traps have been observed in nanoparticles compared to the bulk powders. The integral emission intensity from the nanoparticles is remarkably greater than that from the bulk. A phosphorescence recombination mechanism through tunneling in nanoparticles is discussed.

AB - Red phosphorescence in nanosized CaTiO3:Pr3+ phosphors has been investigated by measuring the spectra of emission and excitation, as well as the charging and decay processes. The emission intensity and the persistent time have been improved. More energy traps have been observed in nanoparticles compared to the bulk powders. The integral emission intensity from the nanoparticles is remarkably greater than that from the bulk. A phosphorescence recombination mechanism through tunneling in nanoparticles is discussed.

KW - CaTiO:Pr

KW - Nanoparticles

KW - Phosphorescence

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