Tunable light emission mediated by energy transfer in Tm3+/Dy3+ co-doped LaF3 nanocrystals under UV excitation
Publication type: Journal Article
Publication date: 2017-08-01
scimago Q2
wos Q2
SJR: 0.585
CiteScore: 7.0
Impact factor: 3.6
ISSN: 00222313, 18727883
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Tm3+/Dy3+ co-doped LaF3 nanocrystals have been synthesized by the co-precipitation method and the luminescence properties under UV light excitation examined. Tunable light emission containing blue (450 nm), yellow (570 nm), and red (660 nm) light components was observed. The excitation spectrum was investigated and the optimum excitation UV wavelength determined. The excitation mechanism responsible for the generation of the multicolor emission indicated that Tm-Dy energy-transfer plays a major role in the process. Tuning of the overall white-light emission was accomplished via variation of the Tm and Dy active ions contents in the nano-powder samples. The CIE chromaticity coordinates show that the Tm3+/Dy3+ co-doped LaF3 may be an excellent candidate for white light emitting diode devices.
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Total citations:
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Citations from 2025:
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Poma P. Y. et al. Tunable light emission mediated by energy transfer in Tm3+/Dy3+ co-doped LaF3 nanocrystals under UV excitation // Journal of Luminescence. 2017. Vol. 188. pp. 18-23.
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Poma P. Y., Santos W. Q., Sales T. O., Gouveia-Neto A., Jacinto C. Tunable light emission mediated by energy transfer in Tm3+/Dy3+ co-doped LaF3 nanocrystals under UV excitation // Journal of Luminescence. 2017. Vol. 188. pp. 18-23.
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RIS
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TY - JOUR
DO - 10.1016/j.jlumin.2017.04.002
UR - https://doi.org/10.1016/j.jlumin.2017.04.002
TI - Tunable light emission mediated by energy transfer in Tm3+/Dy3+ co-doped LaF3 nanocrystals under UV excitation
T2 - Journal of Luminescence
AU - Poma, P Y
AU - Santos, W. Q.
AU - Sales, T O
AU - Gouveia-Neto, A.S.
AU - Jacinto, Carlos
PY - 2017
DA - 2017/08/01
PB - Elsevier
SP - 18-23
VL - 188
SN - 0022-2313
SN - 1872-7883
ER -
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BibTex (up to 50 authors)
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@article{2017_Poma,
author = {P Y Poma and W. Q. Santos and T O Sales and A.S. Gouveia-Neto and Carlos Jacinto},
title = {Tunable light emission mediated by energy transfer in Tm3+/Dy3+ co-doped LaF3 nanocrystals under UV excitation},
journal = {Journal of Luminescence},
year = {2017},
volume = {188},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.jlumin.2017.04.002},
pages = {18--23},
doi = {10.1016/j.jlumin.2017.04.002}
}