Photoluminescence and Energy Transfer Between Sm <sup>3+</sup> Ions in LaF<sub>3</sub> Nanocrystals Prepared by Hydrothermal Method

Hoang Manh Ha; Tran Thi Quynh Hoa; Le Van Vu; Nguyen Ngoc Long

doi:doi:10.11648/j.ijmsa.20160506.18

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Photoluminescence and Energy Transfer Between Sm ³⁺ Ions in LaF₃ Nanocrystals Prepared by Hydrothermal Method

Hoang Manh Ha, Tran Thi Quynh Hoa, Le Van Vu, Nguyen Ngoc Long

Published in International Journal of Materials Science and Applications (Volume 5, Issue 6)

Received: 10 October 2016 Accepted: 19 October 2016 Published: 9 November 2016

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Abstract

The aim of this research is to study photoluminescent properties and particularly energy transfer between Sm3+ ions in LaF3 nanocrystals because the energy transfer process has a significant effect on the luminescence efficiency and lifetime. Sm3+-doped LaF3 nanocrystals with 0.1, 0.2, 0.3, 1.0, 2.0, 3.0, 4.0 and 5.0 mol% Sm3+ have been prepared by hydrothermal method. The obtained nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, photoluminescence and luminescence decay measurement. The results showed that the LaF3:Sm3+ nanocrystals possess hexagonal structure with space group. The room temperature photoluminescence and photoluminescence excitation spectra of LaF3:Sm3+ were investigated in detail and interpreted by optical intra-configurational f–f transitions within Sm3+ ions. When Sm3+ ion concentration in the nanocrystals is increased, the excitation energy is transferred from the “bulk” Sm3+ ions to the surface Sm3+ ions followed by non-radiative recombination at centers at the surface of the nanocrystals. The photoluminescence decay curves of 593 nm peak in the LaF3 nanocrystals doped with 1.0-5.0 mol% Sm3+ were best fitted to the Inokuti-Hirayama model with the dominant dipole-quadrupole interaction (S = 8). The values of fitting parameters for the energy transfer process were determined.

Published in	International Journal of Materials Science and Applications (Volume 5, Issue 6)
DOI	10.11648/j.ijmsa.20160506.18
Page(s)	284-289
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

LaF₃:Sm³⁺ Nanocrystals, Hydrothermal Method, Photoluminescence, Luminescence Decay, Energy Transfer

References

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APA Style

Hoang Manh Ha, Tran Thi Quynh Hoa, Le Van Vu, Nguyen Ngoc Long. (2016). Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. International Journal of Materials Science and Applications, 5(6), 284-289. https://doi.org/10.11648/j.ijmsa.20160506.18

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ACS Style

Hoang Manh Ha; Tran Thi Quynh Hoa; Le Van Vu; Nguyen Ngoc Long. Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. Int. J. Mater. Sci. Appl. 2016, 5(6), 284-289. doi: 10.11648/j.ijmsa.20160506.18

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AMA Style

Hoang Manh Ha, Tran Thi Quynh Hoa, Le Van Vu, Nguyen Ngoc Long. Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. Int J Mater Sci Appl. 2016;5(6):284-289. doi: 10.11648/j.ijmsa.20160506.18

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@article{10.11648/j.ijmsa.20160506.18,
  author = {Hoang Manh Ha and Tran Thi Quynh Hoa and Le Van Vu and Nguyen Ngoc Long},
  title = {Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method},
  journal = {International Journal of Materials Science and Applications},
  volume = {5},
  number = {6},
  pages = {284-289},
  doi = {10.11648/j.ijmsa.20160506.18},
  url = {https://doi.org/10.11648/j.ijmsa.20160506.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20160506.18},
  abstract = {The aim of this research is to study photoluminescent properties and particularly energy transfer between Sm3+ ions in LaF3 nanocrystals because the energy transfer process has a significant effect on the luminescence efficiency and lifetime. Sm3+-doped LaF3 nanocrystals with 0.1, 0.2, 0.3, 1.0, 2.0, 3.0, 4.0 and 5.0 mol% Sm3+ have been prepared by hydrothermal method. The obtained nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, photoluminescence and luminescence decay measurement. The results showed that the LaF3:Sm3+ nanocrystals possess hexagonal structure with  space group. The room temperature photoluminescence and photoluminescence excitation spectra of LaF3:Sm3+ were investigated in detail and interpreted by optical intra-configurational f–f transitions within Sm3+ ions. When Sm3+ ion concentration in the nanocrystals is increased, the excitation energy is transferred from the “bulk” Sm3+ ions to the surface Sm3+ ions followed by non-radiative recombination at centers at the surface of the nanocrystals. The photoluminescence decay curves of 593 nm peak in the LaF3 nanocrystals doped with 1.0-5.0 mol% Sm3+ were best fitted to the Inokuti-Hirayama model with the dominant dipole-quadrupole interaction (S = 8). The values of fitting parameters for the energy transfer process were determined.},
 year = {2016}
}

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TY  - JOUR
T1  - Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method
AU  - Hoang Manh Ha
AU  - Tran Thi Quynh Hoa
AU  - Le Van Vu
AU  - Nguyen Ngoc Long
Y1  - 2016/11/09
PY  - 2016
N1  - https://doi.org/10.11648/j.ijmsa.20160506.18
DO  - 10.11648/j.ijmsa.20160506.18
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 284
EP  - 289
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20160506.18
AB  - The aim of this research is to study photoluminescent properties and particularly energy transfer between Sm3+ ions in LaF3 nanocrystals because the energy transfer process has a significant effect on the luminescence efficiency and lifetime. Sm3+-doped LaF3 nanocrystals with 0.1, 0.2, 0.3, 1.0, 2.0, 3.0, 4.0 and 5.0 mol% Sm3+ have been prepared by hydrothermal method. The obtained nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, photoluminescence and luminescence decay measurement. The results showed that the LaF3:Sm3+ nanocrystals possess hexagonal structure with  space group. The room temperature photoluminescence and photoluminescence excitation spectra of LaF3:Sm3+ were investigated in detail and interpreted by optical intra-configurational f–f transitions within Sm3+ ions. When Sm3+ ion concentration in the nanocrystals is increased, the excitation energy is transferred from the “bulk” Sm3+ ions to the surface Sm3+ ions followed by non-radiative recombination at centers at the surface of the nanocrystals. The photoluminescence decay curves of 593 nm peak in the LaF3 nanocrystals doped with 1.0-5.0 mol% Sm3+ were best fitted to the Inokuti-Hirayama model with the dominant dipole-quadrupole interaction (S = 8). The values of fitting parameters for the energy transfer process were determined.
VL  - 5
IS  - 6
ER  -

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Author Information

Hoang Manh Ha

Center for Materials Science, Faculty of Physics, Vietnam National University, Hanoi University of Science, Hanoi, Vietnam
Tran Thi Quynh Hoa

Center for Materials Science, Faculty of Physics, Vietnam National University, Hanoi University of Science, Hanoi, Vietnam
Le Van Vu

Center for Materials Science, Faculty of Physics, Vietnam National University, Hanoi University of Science, Hanoi, Vietnam
Nguyen Ngoc Long

Center for Materials Science, Faculty of Physics, Vietnam National University, Hanoi University of Science, Hanoi, Vietnam

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APA Style

Hoang Manh Ha, Tran Thi Quynh Hoa, Le Van Vu, Nguyen Ngoc Long. (2016). Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. International Journal of Materials Science and Applications, 5(6), 284-289. https://doi.org/10.11648/j.ijmsa.20160506.18

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ACS Style

Hoang Manh Ha; Tran Thi Quynh Hoa; Le Van Vu; Nguyen Ngoc Long. Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. Int. J. Mater. Sci. Appl. 2016, 5(6), 284-289. doi: 10.11648/j.ijmsa.20160506.18

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AMA Style

Hoang Manh Ha, Tran Thi Quynh Hoa, Le Van Vu, Nguyen Ngoc Long. Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method. Int J Mater Sci Appl. 2016;5(6):284-289. doi: 10.11648/j.ijmsa.20160506.18

Copy | Download

@article{10.11648/j.ijmsa.20160506.18,
  author = {Hoang Manh Ha and Tran Thi Quynh Hoa and Le Van Vu and Nguyen Ngoc Long},
  title = {Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method},
  journal = {International Journal of Materials Science and Applications},
  volume = {5},
  number = {6},
  pages = {284-289},
  doi = {10.11648/j.ijmsa.20160506.18},
  url = {https://doi.org/10.11648/j.ijmsa.20160506.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20160506.18},
  abstract = {The aim of this research is to study photoluminescent properties and particularly energy transfer between Sm3+ ions in LaF3 nanocrystals because the energy transfer process has a significant effect on the luminescence efficiency and lifetime. Sm3+-doped LaF3 nanocrystals with 0.1, 0.2, 0.3, 1.0, 2.0, 3.0, 4.0 and 5.0 mol% Sm3+ have been prepared by hydrothermal method. The obtained nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, photoluminescence and luminescence decay measurement. The results showed that the LaF3:Sm3+ nanocrystals possess hexagonal structure with  space group. The room temperature photoluminescence and photoluminescence excitation spectra of LaF3:Sm3+ were investigated in detail and interpreted by optical intra-configurational f–f transitions within Sm3+ ions. When Sm3+ ion concentration in the nanocrystals is increased, the excitation energy is transferred from the “bulk” Sm3+ ions to the surface Sm3+ ions followed by non-radiative recombination at centers at the surface of the nanocrystals. The photoluminescence decay curves of 593 nm peak in the LaF3 nanocrystals doped with 1.0-5.0 mol% Sm3+ were best fitted to the Inokuti-Hirayama model with the dominant dipole-quadrupole interaction (S = 8). The values of fitting parameters for the energy transfer process were determined.},
 year = {2016}
}

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TY  - JOUR
T1  - Photoluminescence and Energy Transfer Between Sm 3+ Ions in LaF3 Nanocrystals Prepared by Hydrothermal Method
AU  - Hoang Manh Ha
AU  - Tran Thi Quynh Hoa
AU  - Le Van Vu
AU  - Nguyen Ngoc Long
Y1  - 2016/11/09
PY  - 2016
N1  - https://doi.org/10.11648/j.ijmsa.20160506.18
DO  - 10.11648/j.ijmsa.20160506.18
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 284
EP  - 289
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20160506.18
AB  - The aim of this research is to study photoluminescent properties and particularly energy transfer between Sm3+ ions in LaF3 nanocrystals because the energy transfer process has a significant effect on the luminescence efficiency and lifetime. Sm3+-doped LaF3 nanocrystals with 0.1, 0.2, 0.3, 1.0, 2.0, 3.0, 4.0 and 5.0 mol% Sm3+ have been prepared by hydrothermal method. The obtained nanocrystals were characterized by X-ray diffraction, transmission electron microscopy, photoluminescence and luminescence decay measurement. The results showed that the LaF3:Sm3+ nanocrystals possess hexagonal structure with  space group. The room temperature photoluminescence and photoluminescence excitation spectra of LaF3:Sm3+ were investigated in detail and interpreted by optical intra-configurational f–f transitions within Sm3+ ions. When Sm3+ ion concentration in the nanocrystals is increased, the excitation energy is transferred from the “bulk” Sm3+ ions to the surface Sm3+ ions followed by non-radiative recombination at centers at the surface of the nanocrystals. The photoluminescence decay curves of 593 nm peak in the LaF3 nanocrystals doped with 1.0-5.0 mol% Sm3+ were best fitted to the Inokuti-Hirayama model with the dominant dipole-quadrupole interaction (S = 8). The values of fitting parameters for the energy transfer process were determined.
VL  - 5
IS  - 6
ER  -

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