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<p>Cerium trichloride was prepared from the reaction of CeO<sub>2</sub> with AlCl<sub>3</sub> in a sealed quartz ampoule or from the reaction of CeO<sub>2</sub> with CCl<sub>4</sub> in a pressure vessel. The synthetic approach with AlCl<sub>3</sub> allowed for the preparation of hundreds of milligram quantities of material and bypassed the use of solvents or flowing gas reactions. The CeCl<sub>3</sub> sample prepared from AlCl<sub>3</sub> was characterized by powder x-ray diffraction (PXRD), thermogravimetric analysis/ differential scanning calorimetry (TGA–DSC) and scanning electron microscopy/energy-dispersive x-ray spectroscopy (SEM–EDS). Thermal decomposition of CeCl<sub>3</sub> prepared from CCl<sub>4</sub> via arc-melting led to the formation of a CeCl<sub>3</sub>/CeOCl mixture.</p>

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Preparation and arc melting decomposition of cerium trichloride

  • 期刊论文

  • 发表日期：

    2025年3月7日

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  • Jason Victor,
  • Harry Jang,
  • Andrew Hunter,
  • Paula Ramirez,
  • Daniel Koury,
  • Frederic Poineau,
  • Kenneth Czerwinski

摘要

Cerium trichloride was prepared from the reaction of CeO2 with AlCl3 in a sealed quartz ampoule or from the reaction of CeO2 with CCl4 in a pressure vessel. The synthetic approach with AlCl3 allowed for the preparation of hundreds of milligram quantities of material and bypassed the use of solvents or flowing gas reactions. The CeCl3 sample prepared from AlCl3 was characterized by powder x-ray diffraction (PXRD), thermogravimetric analysis/ differential scanning calorimetry (TGA–DSC) and scanning electron microscopy/energy-dispersive x-ray spectroscopy (SEM–EDS). Thermal decomposition of CeCl3 prepared from CCl4 via arc-melting led to the formation of a CeCl3/CeOCl mixture.