Simultaneous size adjustment and upconversion luminescence enhancement of β-NaLuF4:Yb3+/Er3+,Er3+/Tm3+ microcrystals by introducing Ca2+ for temperature sensing

CrystEngComm ◽  
2018 ◽  
Vol 20 (14) ◽  
pp. 2029-2035 ◽  
Author(s):  
Aihua Zhou ◽  
Feng Song ◽  
Yingdong Han ◽  
Feifei Song ◽  
Dandan Ju ◽  
...  
Keyword(s):  
Low Temperature ◽  
Hydrothermal Method ◽  
Upconversion Luminescence ◽  
Temperature Sensing ◽  
Facile Hydrothermal Method ◽  
Luminescence Enhancement ◽  
Size Adjustment

β-NaLuF4:Yb3+/Er3+ microcrystals have been obtained through a facile hydrothermal method at a relatively low temperature (180 °C) within only two hours.

scholarly journals Upconversion luminescence enhancement and temperature sensing behavior of F− co-doped Ba3Lu4O9:Er3+/Yb3+ phosphors

RSC Advances ◽  
2017 ◽  
Vol 7 (59) ◽  
pp. 36935-36948 ◽  
Author(s):  
Songbin Liu ◽  
Shuifu Liu ◽  
Ming Zhou ◽  
Xinyu Ye ◽  
Dejian Hou ◽  
...  
Keyword(s):  
Crystal Field ◽  
Temperature Sensitivity ◽  
Upconversion Luminescence ◽  
Temperature Sensing ◽  
Site Symmetry ◽  
Luminescence Enhancement ◽  
Co Doped ◽  
Activator Ions

F− doping to enhance upconversion luminescence and temperature sensitivity of Ba3Lu4O9:Er3+/Yb3+ (EYBLO) phosphors is ascribed to the modification of local crystal field of activator ions and reduction of crystal site symmetry.

A temperature sensor based on the enhanced upconversion luminescence of Li+ doped NaLuF4:Yb3+,Tm3+/Er3+ nano/microcrystals

2018 ◽  
Vol 47 (26) ◽  
pp. 8656-8662 ◽  
Author(s):  
Qinping Qiang ◽  
Shanshan Du ◽  
Xinlong Ma ◽  
Wenbo Chen ◽  
Gangyi Zhang ◽  
...  
Keyword(s):  
Oleic Acid ◽  
Hydrothermal Method ◽  
Temperature Sensor ◽  
Upconversion Luminescence ◽  
Temperature Sensing ◽  
Simple Hydrothermal Method

In this paper, fluorescent and optical temperature sensing bi-functional Li+-doping NaLuF4:Ln (Ln = Yb3+,Tm3+/Er3+) nanocrystals were synthesized via a simple hydrothermal method using oleic acid as a capping ligand.

A γ-Fe2O3-modified nanoflower-MnO2/attapulgite catalyst for low temperature SCR of NOx with NH3

2019 ◽  
Vol 43 (6) ◽  
pp. 2490-2500 ◽  
Author(s):  
Aijuan Xie ◽  
Yiyang Tao ◽  
Xiang Jin ◽  
Pengfei Gu ◽  
Xiaoyan Huang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Hydrothermal Method ◽  
Facile Hydrothermal Method ◽  
Scr Of No ◽  
Low Temperature Scr ◽  
Scr Of Nox

A novel mesoporous γ-Fe2O3-modified nanoflower-MnO2/attapulgite catalyst has been fabricated through a facile hydrothermal method and used for low temperature SCR of NOx with NH3.

Insight into the mechanism of intense NIR-to-red upconversion luminescence in Er3+ doped and Er3+–Yb3+ co-doped SrF2 nanoparticles

2021 ◽  
Vol 45 (14) ◽  
pp. 6469-6478
Author(s):  
Qingling Zeng ◽  
Wenxiang He ◽  
Fangfei Luan ◽  
Yu Yan ◽  
Hongli Du ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Theoretical Basis ◽  
Upconversion Luminescence ◽  
Insight Into ◽  
Co Doped

SrF2:Yb3+,Er3+ NPs were synthesized by the hydrothermal method and their luminescence mechanism was discussed in detail, which provided a theoretical basis for further understanding the properties of the materials.

Fully-physically crosslinked silk fibroin/poly(hydroxyethyl acrylamide) hydrogel with high transparency and adhesive properties for wireless sensing and low-temperature strain sensing

2021 ◽  
Vol 9 (6) ◽  
pp. 1880-1887
Author(s):  
Xia Sun ◽  
Shaoshuai He ◽  
Mengmeng Yao ◽  
Xiaojun Wu ◽  
Haitao Zhang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Silk Fibroin ◽  
Temperature Sensing ◽  
Wireless Sensing ◽  
Strain Sensitivity ◽  
Strain Sensing ◽  
Adhesive Properties ◽  
High Transparency ◽  
Physically Crosslinked ◽  
Temperature Strain

Fully-physically crosslinked hydrogels with strain sensitivity and anti-freezing properties for wireless sensing and low temperature sensing were prepared.

A novel Fe recycling method from pickling wastewater producing a KFeS2 whisker for electroplating wastewater treatment

2021 ◽  
Author(s):  
Dongxu Liang ◽  
Manhong Ji ◽  
Suiyi Zhu ◽  
Yu Chen ◽  
Zhihua Wang ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Wastewater Treatment ◽  
Hydrothermal Method ◽  
Facile Hydrothermal Method ◽  
Electroplating Wastewater ◽  
Pickling Sludge

Pickling sludge was converted to a novel product of KFeS2 nanorods via a facile hydrothermal method that effectively removes heavy metals from electroplating wastewater.

Enhancing static green upconversion luminescence of NaY(MoO4)2: Yb/Er microcrystals via annealing strategy for anti-counterfeiting applications

2021 ◽  
Author(s):  
Xiangyu Zhang ◽  
Jialing Wu ◽  
Peng Wang ◽  
Jie Gao ◽  
Feng Gao ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Thermal Treatment ◽  
Upconversion Luminescence ◽  
Luminescence Enhancement ◽  
Doped Materials

The majority of the fabricated procedures of lanthanide doped materials involve in thermal treatment which often results in crystallite regrowth, stabilizing the specific crystal structure and luminescence enhancement. The efficiency...

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