scholarly journals Largely enhanced luminescence intensity and improved optical temperature sensing properties in CaWO4–La2(WO4)3: Er3+, Yb3+ via regulating cations composition

2020 ◽  
Vol 31 (21) ◽  
pp. 18755-18762
Author(s):  
Ying Zhang ◽  
Xusheng Wang ◽  
Qian Liu ◽  
Zhitang Song
2021 ◽  
Vol 235 ◽  
pp. 118014
Author(s):  
Mingjun Song ◽  
Wang Zhao ◽  
Junpeng Xue ◽  
Lintong Wang ◽  
Jing Wang

2015 ◽  
Vol 738-739 ◽  
pp. 27-30
Author(s):  
Dong Dong Li ◽  
Qi Yue Shao ◽  
Yan Dong ◽  
Jian Qing Jiang

Hexagonal (β)-phase NaYF4:Yb3+, Er3+ upconversion nanoparticles (UCNPs) with and without an inert (undoped NaYF4) shell have been successfully synthesized and the effects of shell thickness on the upconversion luminescence (UCL) and temperature sensing properties were systematically investigated. It was found that the NaYF4 shell and its thickness do not affect the RHS values and thermal sensitivity, but can obviously improve the UCL intensity of NaYF4:Yb3+, Er3+ UCNPs. It implies that the core-shell structured NaYF4:Yb3+, Er3+@NaYF4 UCNPs with excellent UCL properties have great potential to be used as temperature sensing probes in biomedical fields, without considering the influences of the shell thickness on their temperature sensing properties.


2019 ◽  
Vol 109 ◽  
pp. 103-107 ◽  
Author(s):  
Lu Zhao ◽  
Bibo Lou ◽  
Jiashan Mao ◽  
Bin Jiang ◽  
Xiantao Wei ◽  
...  

RSC Advances ◽  
2021 ◽  
Vol 11 (58) ◽  
pp. 36569-36576
Author(s):  
Muhammad Khuram Shahzad ◽  
Usman Farooq ◽  
Adil Raza ◽  
Ghulam Abbas ◽  
Muhammad Ikram ◽  
...  

In this study, silver (Ag) island modified up-conversion nano-particle thin films were prepared via electrostatic layer by layer (LBL) and spin coating techniques.


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