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Vol. 3 No. 2 (2011)

Synthesis and Characterization of CaF2 Nanoparticles with Different Doping Concentrations of Er3+

https://doi.org/10.1007/BF03353654
Jinghong Song
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of China
Guanglin Zhi
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of China
Yan Zhang
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of China
Bingchu Mei
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, People’s Republic of China

Corresponding Author: Guanglin Zhi

zhigl1979@hotmail.com

Nano-Micro Letters, Vol. 3 No. 2 (2011), Article Number: 73-78

Abstract

The calcium fluoride nanoparticles with a variety of doping amounts of erbium ions were prepared by CTAB/C4H9OH/C7H16/H2O reverse micro-emulsion method. The nanoparticles were studied by X-ray diffraction (XRD), transmission electron microscopy (TEM), fourier transform infrared spectroscopy (FTIR), absorption and fluorescence spectra. The XRD patterns indicated a typical cubic fluorite structure and no other impurities. The TEM results showed one kind of particles with uniform grain size and without agglomeration were synthesized. The FTIR spectra revealed that there were some amounts of -OH, NO −3 and organic groups absorbed on the surfaces of the particles before being annealed. The absorption spectra presented many absorption peaks and bands corresponding to the rich energy levels of erbium ion. The Red-Shift of absorption bands and Blue-Shift of fluorescence peak could attribute to the weakened energy level split as a result of the decrease in crystal field strength.

Keywords

CaF2 Nanoparticles Doping Erbium ions
Song, Jinghong, Guanglin Zhi, Yan Zhang, and Bingchu Mei. 2011. “Synthesis and Characterization of CaF2 Nanoparticles With Different Doping Concentrations of Er3+”. Nano-Micro Letters 3 (2):73-78. https://doi.org/10.1007/BF03353654.
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