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Solvothermal synthesis of hierarchically porous CeO2 nanopalm leaves and their photocatalytic properties

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Abstract

Hierarchically porous CeCO3OH palm leaves were synthesized by using a facile solvothermal method at 180 °C utilizing cerium nitrate and ethylene glycol. Polycrystalline CeO2 palm leaves were obtained from the thermal decomposition-oxidation process of the CeCO3OH nanostructures. CeCO3OH and CeO2 palm leaves were characterized by X-ray diffraction pattern, scanning electron microscopy image, energy dispersive X-ray analyses, and ultraviolet (UV)–visible spectroscopy images. The CeO2 palm leaves exhibited a significant photocatalytic performance in degrading azo dye acid orange II in an aqueous solution under an UV radiation. The formation mechanisms of the CeCO3OH/CeO2 nanostructures were described on the basis of the experimental results.

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Acknowledgments

One of the authors NSA would like to thank Bharathiar University (BU) for providing University Research fellowship.

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Correspondence to Tae Whan Kim.

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Arul, N.S., Mangalaraj, D. & Kim, T.W. Solvothermal synthesis of hierarchically porous CeO2 nanopalm leaves and their photocatalytic properties. J Sol-Gel Sci Technol 66, 15–21 (2013). https://doi.org/10.1007/s10971-013-2960-6

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  • DOI: https://doi.org/10.1007/s10971-013-2960-6

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