Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 98, Issue 9, Pages 2812-2816Publisher
WILEY
DOI: 10.1111/jace.13698
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Funding
- high-level talent project of Northwest University
- National Natural Science Foundation of China [11274251, 1274299, 11374291]
- Ph.D. Programs Foundation of Ministry of Education of China [20136101110017]
- Technology Foundation for Selected Overseas Chinese Scholar, Ministry of Personnel of China (excellent)
- Natural Science Foundation of Shaanxi Province [2014JM1004]
- Foundation of Key Laboratory of Photoelectric Technology in Shaanxi Province [12JS094]
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Er3+-Yb3+ codoped AgLa(MoO4)(2) phosphors with intense green emission from H-2(11/2)/S-4(3/2) I-4(15/2) transitions and negligible red emission from F-4(9/2) I-4(15/2) transition of Er3+ were synthesized by sol-gel process. Its temperature sensing performance was evaluated based on the temperature dependence of fluorescence intensity ratio (FIR) of two green emission bands in the range 300-510K. The maximum sensitivity of AgLa(MoO4)(2): 0.02Er(3+)/0.4Yb(3+) is approximately 0.018K(-1) at 480K, which is much higher than those of reported samples based on green emissions of Er3+. Result suggests that AgLa(MoO4)(2): Er3+/Yb3+ has a great potential application in optical temperature sensors.
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