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Issue 3, 2012
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Morphology-controlled synthesis of gadolinium fluoride nanocrystalsvia ultrasonic and salt assisted method

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Abstract

Gadolinium fluoride NaxGdyFx+3y crystals with different morphologies and compositions have been successfully synthesized via a facile ultrasonic and salt assisted method at room temperature without any template or organic additive. Crystal structure and morphology of the fluorides were investigated by powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Reaction conditions, such as ultrasonic irradiation, F/Gd molar ratio (R(F/Gd)), concentration of sodium nitrate and ultrasonic time have a close relationship with the morphology and phase composition of the final products. The growth mechanism of the uniform and monodisperse GdF3 nanospindles was proposed based on the time-dependent experiments. The photoluminescent (PL) properties of the as-obtained products revealed that Eu3+ doped NaGdF4 nanocrystals with different morphologies present characteristic luminescence of Eu3+, and their emission intensities strongly depend on morphology.

Graphical abstract: Morphology-controlled synthesis of gadolinium fluoride nanocrystalsvia ultrasonic and salt assisted method

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Publication details

The article was received on 15 Aug 2011, accepted on 12 Oct 2011 and first published on 24 Nov 2011


Article type: Paper
DOI: 10.1039/C1CE06053H
Citation: CrystEngComm, 2012,14, 899-907
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    Morphology-controlled synthesis of gadolinium fluoride nanocrystalsvia ultrasonic and salt assisted method

    J. Yang, W. Huang, Y. Cheng, C. Wang, Y. Zhao, L. Zhu and X. Cao, CrystEngComm, 2012, 14, 899
    DOI: 10.1039/C1CE06053H

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