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Optical thermometry based on the upconversion fluorescence from Yb3+/Er3+ codoped La2O2S phosphor

✍ Scribed by Yang, Yanmin; Mi, Chao; Yu, Fang; Su, Xianyuan; Guo, Chongfeng; Li, Gang; Zhang, Jiao; Liu, Linlin; Liu, Yanzhou; Li, Xiaodong


Book ID
121688035
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
938 KB
Volume
40
Category
Article
ISSN
0272-8842

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Combustion synthesized Gd 2 O 3 : Er 3+ /Yb 3+ nanocrystalline phosphor has been developed and used as a temperature sensor. Frequency upconverted emissions from two thermally coupled excited states 2 H 11/2 and 4 S 3/2 of Er 3+ centered at 523 and 548 nm in the phosphor pumped by NIR source were re