Up-conversion luminescence and optical temperature sensing properties in novel KBaY(MoO4)3:Yb3+,Er3+ materials for temperature sensors

Upconversion luminescence and temperature sensing properties of NaGd(WO4)2:Yb3+/Er3+@SiO2 core–shell nanoparticles

“…Lanthanide doped double tungstates have been investigated as potential thermometric probes due to their good thermal stability and high thermal sensitivity. [26][27][28] Temperature sensing performance of material can be improved aer silica coating. It has been reported that the performing temperature of nanothermometry for the classical up-converting nanoparticles NaYF 4 :Er 3+ ,Yb 3+ was expanded from 600 K to 900 K, which enables the application of the material in high temperature environments.…”

BaYb2 – xErxGe3O10 and BaY2 – 10yYb9yEryGe3O10: Luminescent Properties and Prospects for Applications in Remote Temperature Determination

“…Despite the limited temperature range, the obtained data suggest that the synthesized composition is promising. The obtained S a value exceeds the values previously determined for other inorganic compounds activated with Yb 3+ /Er 3+ ions, such as K 3 Y(PO 4 ) 2 :Yb 3+ /Er 3+ (S a = 0.304% K -1 ), Na 2 Y 2 B 2 O 7 :Yb 3+ /Er 3+ (S a = 0.79% K -1 ), and Yb 2 Ti 2 O 7 :Yb 3+ /Er 3+ (S a = 0.74% K -1 ) [26][27][28], but inferior to the values determined for KBaY(MoO 4 ) 3 :Yb 3+ /Er 3+ (S a = 1.3% K -1 ) and SrWO 4 :Yb 3+ /Er 3+ (S a = 1.5% K -1 ) [29,30]. A maxi-…”

Dual-emissive Ln3+/Mn4+ Co-doped double perovskite phosphor via site-beneficial occupation

“…Rare-earth (RE) ions are a kind of special optical probes because their 4f active electrons are shielded by external electron sublayers, which makes them less sensitive to the environment, but enough to observe changes. 36 Transition metal (TM) ions have a 3d n electronic configuration and are very sensitive to the surrounding environment. Therefore, the emission of TM ions is more affected by temperature than that of RE ions.…”