Optical temperature sensing behavior for KLa(MoO4)2:Ho3+/Yb3+ phosphors based on fluorescence intensity ratios
Optical temperature sensing behavior for KLa(MoO4)2:Ho3+/Yb3+ phosphors based on fluorescence intensity ratios
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基于荧光强度比的 KLa(MoO4)2:Ho3 /Yb3 荧光粉的光学温度传感行为
DOI：
10.1016/j.ijleo.2019.164100
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发表时间：
2020-02
期刊：
影响因子：
3.1
通讯作者：
Zuoling Fu
中科院分区：
文献类型：
--
作者：
Yuhong Zhang;Tingting Wang;Hang Liu;Dan Liu;Yunhe Liu;Zuoling Fu
KLa(MoO4)2:Yb3+/Ho3+phosphors were synthesized using hydrothermal method. The phosphors showed intense green (∼546 nm) and weak red emissions (∼651 nm, ∼756 nm) by 980 nm excitation. Temperature-dependent fluorescence intensity ratios (FIRs) are analyzed. The two spark green(5F4/5S2,I540 nm/I550 nm) and red-green (I641 nm/I540 nm) FIRs were studied at 313 K–503 K. The maximum sensitivity was obtained at 503 K, which is 3.56 % K−1. The results imply that the sensitivity is superior to most of the reported Ho3+doped materials. KLa(MoO4)2:Yb3+/Ho3+phosphors could potentially be used to temperature sensor.
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