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Facile hydrothermal synthesis of CeO2 nanopebbles

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Abstract

Cerium oxide (CeO2) nanopebbles have been synthesized using a facile hydrothermal method. X-ray diffraction pattern (XRD) and transmission electron microscopy analyses confirm the presence of CeO2 nanopebbles. XRD shows the formation of cubic fluorite CeO 2 and the average particle size estimated from the Scherrer formula was found to be 6.69 nm. X-ray absorption spectrum of CeO2 nanopebbles exhibits two main sharp white lines at 880 and 898 eV due to the spin orbital splitting of M 4 and M 5. Optical absorption for the synthesized CeO2 nanopebbles exhibited a blue shift (E g = 3.35 eV) with respect to the bulk CeO2 (E g = 3.19 eV), indicating the existence of quantum confinement effects.

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Authors and Affiliations

  1. Department of Chemical and Biochemical Engineering, Dongguk University-Seoul, 100715, Seoul, South Korea

    N SABARI ARUL & JEONG IN HAN

  2. Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641 046, India

    N SABARI ARUL & D MANGALARAJ

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  1. N SABARI ARUL
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  2. D MANGALARAJ
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Correspondence to JEONG IN HAN.

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ARUL, N.S., MANGALARAJ, D. & HAN, J.I. Facile hydrothermal synthesis of CeO2 nanopebbles. Bull Mater Sci 38, 1135–1139 (2015). https://doi.org/10.1007/s12034-015-0992-y

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  • DOI: https://doi.org/10.1007/s12034-015-0992-y

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