Characterization and their Fluorescence of Fe3+-Doped La2Zr2O7 Nanocrystals by a Salt-Assistant Combustion Method

Yun Shan Bai; Lu De Lu; Jian Chun Bao

doi:10.4028/www.scientific.net/AMR.306-307.1257

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 306-307Characterization and their Fluorescence of...

Characterization and their Fluorescence of Fe³⁺-Doped La₂Zr₂O₇ Nanocrystals by a Salt-Assistant Combustion Method

Abstract:

Nanocrystalline Fe³⁺-doped La₂Zr₂O₇ series solid solutions were prepared by a convenient salt-assisted combustion process using glycine as fuel. The samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). The results showed the La ion can be partially replaced by Fe ion. The partial substituted products were still single-phase solid solutions and the crystal form remained unchanged. TEM images reveal that the products are composed of well-dispersed square-shaped nanocrystals. The method provides a convenient and low-cost route for the synthesis of nanostructures of oxide materials. The fluorescence of La_1.₈Fe_0.₂Zr₂O₇ nanocrystals was evaluated by the UV-visible absorption spectra and the fluorescence spectra. The results indicate that (La_xFe_1-x)₂Zr₂O₇ nanocrystals prepared by this method are a kind of potential fluorescent-emitted material.

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Periodical:

Advanced Materials Research (Volumes 306-307)

Pages:

1257-1261

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.306-307.1257

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Online since:

August 2011

Authors:

Yun Shan Bai, Lu De Lu, Jian Chun Bao

Keywords:

(La_XFe_1-X)₂Zr₂O₇, Fluorescence, Nanocrystalline, Pyrochlore, Soft Chemistry

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