Synthesis and spectroscopic properties of silver-fluorescein co-doped phosphotungstate hollow spheres

2018 ◽  
Vol 47 (23) ◽  
pp. 7730-7738 ◽  
Author(s):  
Guan Wang ◽  
Yikun Wang ◽  
Ruru Meng ◽  
Yangyang Zhang ◽  
Yanmei Xing ◽  
...  

Herein, silver-fluorescein co-doped phosphotungstate hollow spheres have been successfully synthesized using a chemical precipitation method by introducing silver ions and fluorescein at room temperature.

2012 ◽  
Vol 508 ◽  
pp. 259-262 ◽  
Author(s):  
Cheng Zhi Jiang ◽  
Rui Yang ◽  
Sen Bai ◽  
Xu Dong Lu

Pure BiVO4, single doped and co-doped BiVO4 have been prepared by chemical precipitation method and characterized by the techniques such as XRD and SEM/EDAX. The photocatalytic degradation of methylene blue (MB) in aqueous solution was used as a probe reaction to evaluate pure BiVO4, single doped BiVO4 and co-doped BiVO4 photocatalytic activity. The results show that doping of single doped and co-doped significantly enhance the photocatalytic activity of BiVO4. When the 0.1%Gd3+ and 0.2%Sm co-doped, the BiVO4 degradation rate reaches 91%.


2021 ◽  
Author(s):  
Jie Li ◽  
Yuruo Qi ◽  
Fangyuan Xiao ◽  
Shu-Juan Bao ◽  
Mao-Wen Xu

In this work, the nanoflower-like Na0.5VOPO4·2H2O with a large interlayer distance of 6.5295 Å is synthesized via a simple chemical precipitation method at room temperature. It is the first time...


Optik ◽  
2017 ◽  
Vol 136 ◽  
pp. 259-264 ◽  
Author(s):  
Manivannan N. ◽  
Chandar Shekar B. ◽  
Senthil Kumaran C.K. ◽  
Sathyamoorthy R.

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