Ming-zai Wu, Yan-mei Liu, Peng Dai, Zhao-qi Sun,  and Xian-song Liu, Hydrothermal synthesis and photoluminescence behavior of CeO2 nanowires with the aid of surfactant PVP, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 470-474. https://doi.org/10.1007/s12613-010-0343-3
Cite this article as:
Ming-zai Wu, Yan-mei Liu, Peng Dai, Zhao-qi Sun,  and Xian-song Liu, Hydrothermal synthesis and photoluminescence behavior of CeO2 nanowires with the aid of surfactant PVP, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 470-474. https://doi.org/10.1007/s12613-010-0343-3

Hydrothermal synthesis and photoluminescence behavior of CeO2 nanowires with the aid of surfactant PVP

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  • Corresponding author:

    Ming-zai Wu    E-mail: mingzaiwu@gmail.com

  • Received: 22 July 2009Revised: 18 August 2009Accepted: 29 August 2009
  • Well-crystalline CeO2 nanowires were prepared via a surfactant-assisted hydrothermal process. Reaction temperature and reaction time were changed for the determination of optimal synthesis parameters. The as-obtained products were characterized by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), and field emission scanning electron microscopy (FESEM). The results show that single crystal CeO2 nanowires with high yield and good uniformity can be obtained hydrothermally at 180℃ for 12 h with the aid of 2.0 g surfactant (polyvinyl pyrrolidone, PVP). The role of PVP was then discussed and a possible growth mechanism was proposed. Moreover, room temperature photoluminescence (PL) spectra were obtained for these CeO2 nanowires, which are believed to be related to the abundant defects in these nanostructures.
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