Synthesis of ZrO2: Pr3+, Gd3+ nanocrystals for optical thermometry with thermal sensitivity above 2.32% K-1 over 270 K of sensing range

2021 ◽  
Author(s):  
Minghui Li ◽  
Jun Zhou ◽  
Ruoshan Lei ◽  
Huanping Wang ◽  
Feifei Huang ◽  
...  
Keyword(s):  
Thermal Sensitivity ◽  
High Sensitivity ◽  
Sensing Range ◽  
Optical Thermometry ◽  
Co Doped

Nowadays, there is an enthusiastic effort to develop the luminescent thermometers used for remote and high-sensitivity temperature readout over a wide sensing range. Herein, the Pr3+ and Gd3+ co-doped ZrO2...

Optical thermometry of Er3+ in electrospun yttrium titanate nanobelts

2021 ◽  
Vol 45 (1) ◽  
pp. 321-330
Author(s):  
Zhe Liu ◽  
Lifan Shen ◽  
Xin Zhao ◽  
Edwin Yue-Bun Pun ◽  
Hai Lin
Keyword(s):  
High Sensitivity ◽  
Temperature Sensing ◽  
Optical Thermometry ◽  
Co Doped

Er3+/Yb3+ co-doped Y2Ti2O7 (YTOEY) nanobelts with a thickness of ∼100 nm exhibiting a high sensitivity and rapid responsiveness in temperature sensing are obtained.

Optical thermometry of a Tm3+/Yb3+ Co-doped LiLa(MoO4)2 up-conversion phosphor with a high sensitivity

RSC Advances ◽  
2016 ◽  
Vol 6 (88) ◽  
pp. 84610-84615 ◽  
Author(s):  
Wenjie Hu ◽  
Fangfang Hu ◽  
Xinyue Li ◽  
Hongwei Fang ◽  
Lu Zhao ◽  
...  
Keyword(s):  
Temperature Sensitivity ◽  
High Sensitivity ◽  
Relative Temperature ◽  
Optical Thermometry ◽  
Co Doped

The relative temperature sensitivity of LiLa(MoO4)2:Tm3+/Yb3+ based on two different UC emissions of Tm3+ is superior to previously reported results.

Flexible M-Tooth Hybrid Micro-Structure Based Capacitive Pressure Sensor with High Sensitivity and Wide Sensing Range

2021 ◽  
pp. 1-1
Author(s):  
Valliammai Palaniappan ◽  
Masoud Panahi ◽  
Dinesh Maddipatla ◽  
Xingzhe Zhang ◽  
Simin Masihi ◽  
...  
Keyword(s):  
Pressure Sensor ◽  
High Sensitivity ◽  
Capacitive Pressure Sensor ◽  
Micro Structure ◽  
Sensing Range

Luminescence and kinetics parameters of high sensitivity MgB4O7 phosphor co-doped with Tm and Dy

2021 ◽  
pp. 109811
Author(s):  
P.R. González ◽  
O. Ávila ◽  
L. Escobar-Alarcón ◽  
D. Mendoza-Anaya
Keyword(s):  
High Sensitivity ◽  
Kinetics Parameters ◽  
Co Doped

scholarly journals Packaged Droplet Microresonator for Thermal Sensing with High Sensitivity

Sensors ◽  
2018 ◽  
Vol 18 (11) ◽  
pp. 3881 ◽  
Author(s):  
Xiaogang Chen ◽  
Liang Fu ◽  
Qijing Lu ◽  
Xiang Wu ◽  
Shusen Xie
Keyword(s):  
Liquid Droplet ◽  
Thermal Sensitivity ◽  
High Sensitivity ◽  
Liquid Limit ◽  
Practical Applications ◽  
Sensing Applications ◽  
Cavity Structure ◽  
Thermal Sensing ◽  
Facile Fabrication ◽  
Definition Of

Liquid droplet and quasi-droplet whispering gallery mode (WGM) microcavities have been widely studied recently for the enhanced spatial overlap between the liquid and WGM field, especially in sensing applications. However, the fragile cavity structure and the evaporation of liquid limit its practical applications. Here, stable, packaged, quasi-droplet and droplet microcavities are proposed and fabricated for thermal sensing with high sensitivity. The sensitivity and electromagnetic field intensity distribution are analyzed by Mie theory, and a quantified definition of the quasi-droplet is presented for the first time to the best of our knowledge. By doping dye material directly into the liquid, lasing packaged droplet and quasi-droplet microcavity sensors with a high thermal sensitivity of up to 205.3 pm/°C are experimentally demonstrated. The high sensitivity, facile fabrication, and mechanically robust properties of the optofluidic, packaged droplet microresonator make it a promising candidate for future integrated photonic devices.

scholarly journals Locally Controlled Sensing Properties of Stretchable Pressure Sensors Enabled by Micro-Patterned Piezoresistive Device Architecture

Sensors ◽  
2020 ◽  
Vol 20 (22) ◽  
pp. 6588
Author(s):  
Jun Ho Lee ◽  
Jae Sang Heo ◽  
Keon Woo Lee ◽  
Jae Cheol Shin ◽  
Jeong-Wan Jo ◽  
...  
Keyword(s):  
Pressure Sensor ◽  
Silver Nanowires ◽  
Pressure Sensors ◽  
High Sensitivity ◽  
Fast Response ◽  
Large Area ◽  
Site Specific ◽  
Sensing Properties ◽  
Sensing Range ◽  
Wide Range

For wearable health monitoring systems and soft robotics, stretchable/flexible pressure sensors have continuously drawn attention owing to a wide range of potential applications such as the detection of human physiological and activity signals, and electronic skin (e-skin). Here, we demonstrated a highly stretchable pressure sensor using silver nanowires (AgNWs) and photo-patternable polyurethane acrylate (PUA). In particular, the characteristics of the pressure sensors could be moderately controlled through a micro-patterned hole structure in the PUA spacer and size-designs of the patterned hole area. With the structural-tuning strategies, adequate control of the site-specific sensitivity in the range of 47~83 kPa−1 and in the sensing range from 0.1 to 20 kPa was achieved. Moreover, stacked AgNW/PUA/AgNW (APA) structural designed pressure sensors with mixed hole sizes of 10/200 µm and spacer thickness of 800 µm exhibited high sensitivity (~171.5 kPa−1) in the pressure sensing range of 0~20 kPa, fast response (100~110 ms), and high stretchability (40%). From the results, we envision that the effective structural-tuning strategy capable of controlling the sensing properties of the APA pressure sensor would be employed in a large-area stretchable pressure sensor system, which needs site-specific sensing properties, providing monolithic implementation by simply arranging appropriate micro-patterned hole architectures.

A high-sensitivity dual-mode optical thermometry based on one-step synthesis of Mn2+:BaAl12O19–Mn4+:SrAl12O19 solid solution phosphors

2021 ◽  
Vol 853 ◽  
pp. 157262
Author(s):  
Yanting Zhu ◽  
Chenxia Li ◽  
Degang Deng ◽  
Bowen Chen ◽  
Hua Yu ◽  
...  
Keyword(s):  
Solid Solution ◽  
High Sensitivity ◽  
Dual Mode ◽  
Optical Thermometry ◽  
One Step

Optical thermometry and heating based on the upconversion fluorescence from Yb3+/Er3+ co-doped NaLa(MoO4)2 phosphor

2016 ◽  
Vol 31 (22) ◽  
pp. 3482-3488 ◽  
Author(s):  
Guofeng Liu ◽  
Zhiyi Gao ◽  
Zuoling Fu ◽  
Zhen Sun ◽  
Xiangtong Zhang ◽  
...  
Keyword(s):  
Upconversion Fluorescence ◽  
Optical Thermometry ◽  
Image Position ◽  
Co Doped

Abstract

Optical thermometry based on upconversion luminescence in Yb3+/Ho3+ co-doped NaLuF4

2014 ◽  
Vol 588 ◽  
pp. 654-657 ◽  
Author(s):  
Shaoshuai Zhou ◽  
Sha Jiang ◽  
Xiantao Wei ◽  
Yonghu Chen ◽  
Changkui Duan ◽  
...  
Keyword(s):  
Upconversion Luminescence ◽  
Optical Thermometry ◽  
Co Doped
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