Performance optimization of Er3+ doped barium–natrium–yttrium–fluoride phosphor synthesized by the low-temperature combustion synthesis method
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Er3+ doped barium–natrium–yttrium–fluoride phosphor sensitive to 1550 nm was synthesized and optimized by the low-temperature combustion synthesis (LCS) method, which is the most popular method for the synthesis of oxides and compound oxides, using citric acid as the fuel. Orthogonal experiments were adopted to determine the optimal batch formula. The effect of the amount of citric acid on the phase formation, luminescence intensity and morphology was studied systematically. (NH4)2SO4 was adopted as the dispersing agent to improve the dispersion state of the ultrafine phosphor and the annealing process was studied to enhance its luminescence intensity. The product presents the characteristic emission peaks of Er3+ and its luminescence mechanism excited at 1550 nm was discussed. This work has made a useful attempt to expand the applicability of LCS method besides the oxides.
KeywordsLuminescence Intensity Er2O3 Orthogonal Experiment Upconversion Luminescence Combustion Heat
This work was supported by the National Natural Science Foundation of China (Grant No. 61307118), Jilin Province Science and Technology Department Project (Grant No. 20130102016JC) and Science and Technology Bureau of Changchun (2013045).
Author Liping Lu have received research grants from the National Natural Science Foundation of China. Zhaohui Bai have received research grants from the Scientific and Technological Department of Jilin Province. Xiaoyun Mi is a member of the Changchun Science and Technology Bureau.
Compliance with ethical standards
Conflict of interest
The authors declare that we have no conflict of interest.
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