volume 29 issue 3 pages 1430-1438

Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors

Mingyue Chen 1
Zhiguo Xia 1
Ting Wang 4
Publication typeJournal Article
Publication date2017-01-30
scimago Q1
wos Q1
SJR2.065
CiteScore12.0
Impact factor7.0
ISSN08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
Local structure modification in solid solution is an essential part of photoluminescence tuning of rare earth doped solid state phosphors. Herein we report a new solid solution phosphor of Eu2+-doped xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7 (0 ≤ x ≤ 1), which share the same β-Ca3(PO4)2 type structure in the full composition range. Depending on the x parameter variation in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+, the vacancies generated in the M(4) site enable the nonlinear variation of cell parameters and volume, and this increases the magnitude of M(4)O6 polyhedra distortion. The local structure modulation around the Eu2+ ions causes different luminescent behaviors of the two-peak emission and induces the photoluminescence tuning. The shift of the emission peaks in the solid solution phosphors with different compositions has been discussed. It remains invariable at x ≤ 0.5, but the red-shift is observed at x > 0.5 which is attributed to combined effect of the crystal field splitting, Stokes shift, and energy trans...
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Chen M. et al. Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors // Chemistry of Materials. 2017. Vol. 29. No. 3. pp. 1430-1438.
GOST all authors (up to 50) Copy
Chen M., Xia Z., Molokeev M. S., Wang T., Liu Q. L. Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors // Chemistry of Materials. 2017. Vol. 29. No. 3. pp. 1430-1438.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.chemmater.7b00006
UR - https://doi.org/10.1021/acs.chemmater.7b00006
TI - Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors
T2 - Chemistry of Materials
AU - Chen, Mingyue
AU - Xia, Zhiguo
AU - Molokeev, Maxim S.
AU - Wang, Ting
AU - Liu, Quan Lin
PY - 2017
DA - 2017/01/30
PB - American Chemical Society (ACS)
SP - 1430-1438
IS - 3
VL - 29
SN - 0897-4756
SN - 1520-5002
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2017_Chen,
author = {Mingyue Chen and Zhiguo Xia and Maxim S. Molokeev and Ting Wang and Quan Lin Liu},
title = {Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors},
journal = {Chemistry of Materials},
year = {2017},
volume = {29},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.chemmater.7b00006},
number = {3},
pages = {1430--1438},
doi = {10.1021/acs.chemmater.7b00006}
}
MLA
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Chen, Mingyue, et al. “Tuning of Photoluminescence and Local Structures of Substituted Cations in xSr2Ca(PO4)2–(1 – x)Ca10Li(PO4)7:Eu2+ Phosphors.” Chemistry of Materials, vol. 29, no. 3, Jan. 2017, pp. 1430-1438. https://doi.org/10.1021/acs.chemmater.7b00006.