Synthesis and Optical Absorption of Eu-doped CeB6 Nanocrystalline

doi:10.15541/jim20150208

Abstract

Abstract:

The Eu-doped CeB₆ nanocrystalline was successfully synthesized by a solid-state reaction and their optical properties were investigated. The XRD and EDS analyses fully confirm that the Eu element has been successfully doped into the lattice of CeB₆. The optical absorption results show that maximum absorption red-shifted from 938 nm to 1718 nm. Meanwhile, it is interestingly found that the maximum transmission also red-shifts from visible region of 798 nm to near-infrared region of 1138 nm, which is for the first time to be obtained tunable optical characteristic CeB₆ by Eu doping. Thus, these interesting findings on CeB₆ nanocrystalline can extend its optical application.

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Key words: rare-earth hexaboride, nanocrystalline, optical absorption

CLC Number:

TB34

BAO Li-Hong, MING Ming, O.Tegus. Synthesis and Optical Absorption of Eu-doped CeB₆ Nanocrystalline[J]. Journal of Inorganic Materials, 2015, 30(10): 1110-1114.

Figures/Tables 5

Fig. 1 XRD patterns of EuxCe1-xB6 nanocrystalline powder

Fig. 2 FESEM images of EuxCe1-xB6 nanocrystalline with different doping content. (a) x=0.2; (b) x=0.4; (c) x=0.6

Fig. 3 EDS analysis for Eu0.4Ce0.6B6 nanocrystalline mapping (a) and element spectrum (b)

Fig. 4 (a) TEM analyses of Eu0.4Ce0.6B6 nanocrystalline, the HRTEM image with indexing FFT patterns (top right), and (b) the corresponding element spectrum

Fig. 5 Optical absorption spectrum of EuxCe1-xB6 dispersions

References 21

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Synthesis and Optical Absorption of Eu-doped CeB₆ Nanocrystalline

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