Sol-Gel Synthesis and Characterization of BaAl2O4 and Co: BaAl2O4 Nanoparticles

Cai Na Luan; Jin Ma; Zhen Zhu; Ling Yi Kong; Qiao Qun Yu

doi:10.4028/www.scientific.net/AMR.148-149.1067

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 148-149Sol-Gel Synthesis and Characterization of BaAl2O4...

Sol-Gel Synthesis and Characterization of BaAl₂O₄ and Co: BaAl₂O₄ Nanoparticles

Abstract:

In this paper, we prepared BaAl2O4 and Co:BaAl2O4 nanoparticles from aqueous solution of metal nitrates containing citric acid as a chelating agent by sol-gel method. The gel was heat-treated at temperatures ranging from 710°C to 1000°C. The heat-treated powders were characterized by X-ray diffraction analysis (XRD), infrared spectra (IR) and luminescence spectroscopy. From the results of the characterization, we find the prepared powders are pure nano-particles of BaAl2O4 after heat-treated at 900°C temperature. The emission spectra of Co: BaAl2O4 in the visible region indicates the existence of Co2+ in the tetrahedral sites of BaAl2O4 nano-crystal.

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Advanced Materials Research (Volumes 148-149)

Pages:

1067-1070

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.148-149.1067

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Online since:

October 2010

Authors:

Cai Na Luan, Jin Ma, Zhen Zhu, Ling Yi Kong, Qiao Qun Yu

Keywords:

Characterization, Nanomaterial, Sol-Gel Synthesis Luminescence

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