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Author Gao, Yong ♦ Long, Qiwei ♦ ng, Rong ♦ Wang, Tianman ♦ Huang, Yingheng ♦ Liao, Sen ♦ Zhang, Huaxin
Source SpringerLink
Content type Text
Publisher Springer US
File Format PDF
Copyright Year ©2016
Language English
Subject Keyword Inorganic compounds ♦ optical materials ♦ chemical synthesis ♦ luminescence ♦ optical properties ♦ Optical and Electronic Materials ♦ Characterization and Evaluation of Materials ♦ Electronics and Microelectronics, Instrumentation ♦ Solid State Physics
Abstract A series of (NaMgPO$_{4}$)$_{0.98−x }$: ${\hbox{Eu}}_{0.02}^{3 + }$ , ${\hbox{Al}}_{x}^{3 + }$ phosphors were prepared by the solid-state method. X-ray powder diffraction results confirm that the samples contain mixture phases of crystals. The doped effect of Al$^{3+}$ on the photoluminescence properties of (NaMgPO$_{4}$)$_{0.98−x }$: ${\hbox{Eu}}_{0.02}^{3 + }$ , ${\hbox{Al}}_{x}^{3 + }$ phosphors is discussed. The results indicate that two dependent curves of emission relative intensity and strain on Al$^{3+}$ doping concentration are all Gaussian curves, and a high correlation is observed between emission relative intensity of Eu$^{3+}$ and strain caused by Al$^{3+}$. In other words, emission relative intensity of Eu$^{3+}$ is enhanced with the increase of the strain. The enhanced mechanism of the strain is discussed. In addition, (NaMgPO$_{4}$)$_{0.98−x }$: ${\hbox{Eu}}_{0.02}^{3 + }$ , ${\hbox{Al}}_{x}^{3 + }$ phosphors are electric dipole-dominated transition red phosphors. The optimal molar concentration of Al$^{3+}$ for the samples is 9%, which (NaMgPO$_{4}$)$_{0.89}$: ${\hbox{Eu}}_{0.02}^{3 + }$ , ${\hbox{Al}}_{0.09}^{3 + }$ is a potential candidate as the red-emitting phosphor for ultraviolet-based white light-emitting diodes.
ISSN 03615235
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2016-10-20
Publisher Place New York
e-ISSN 1543186X
Journal Journal of Electronic Materials
Volume Number 46
Issue Number 2
Page Count 6
Starting Page 911
Ending Page 916

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Source: SpringerLink