Temperature- and humidity-sensing properties of ZnO:Yb/Er nanocrystal clusters synthesized by a facile microwave-assisted approach

Cao, Baosheng; Rino, L.; Wu, Jinlei; He, Yangyang; Zhang, Zhenyi; Feng, Zhiqing; Dong, Bo

doi:10.1016/j.sna.2017.11.033

Cited by 6 publications

(1 citation statement)

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“…It can be seen that with considering crystal field stark splitting, the optical thermometry properties can be enhanced. For comparison, the luminescence thermometry properties based on upconversion photoluminescence in previous reported rare earth doped luminescent materials are listed in Table.1[10,[23][24][25][26][27]. The results show that the YGdO3:Er 3+ luminescent nanoparticles are promising materials for luminescence thermometry.Materials Science Forum Vol.…”

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confidence: 96%

Laser Ablation in Liquid Synthesis and Optical Temperature Sensing of YGdO3:Er3+ Nanoparticles

Liu

Wang

Chen³

2021

MSF

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YGdO3:Er3+ nanoparticles were successfully synthesized by pulsed laser ablation in liquid method. The structural and morphological properties of the product are investigated by X-Ray diffraction and transmission electron microscopy. The upconversion photoluminescence properties were investigated in detail. Obvious stark splitting phenomena were observed in the green and red emission bands. The decay behaviors of three emission bands were studied. Based on thermal coupled energy level related upconversion fluorescence intensity ratio, the temperature sensing properties of product were studied. Linear function has beenused to reveal the relationship between fluorescence intensity ratio and temperature. Using stark sublevels related emission bands, sensitivity of the temperature sensor was successfully enhanced. These results suggest the YGdO3:Er3+ nanoparticles prepared via pulsed laser ablation in liquid are promising luminescent materials for optical thermometry.

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confidence: 96%