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  • 标题:Urea assisted ceria nanocubes for efficient removal of malachite green organic dye from aqueous system
  • 本地全文:下载
  • 作者:Thupakula Venkata Madhukar Sreekanth ; Patnamsetty Chidanandha Nagajyothi ; Gutturu Rajasekhara Reddy
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2019
  • 卷号:9
  • 期号:1
  • 页码:1-9
  • DOI:10.1038/s41598-019-50984-6
  • 出版社:Springer Nature
  • 摘要:This study describes a simple, high-yield, rapid, and inexpensive route for the synthesis of cubic shape-like cerium oxide nanocubes (CeO 2 NCs) using different urea concentrations (0.5, 1.0, and 2.0 g) by the hydrothermal method. The synthesized nanocubes (NCs) are labeled as CeO 2 NCs-0.5, CeO 2 NCs-1.0, and CeO 2 NCs-2.0, corresponding to 0.5, 1.0, and 2.0 g of urea, respectively. The synthesized NCs were characterized by FT-IR, UV-visible, XRD, XPS, SEM and HR-TEM analysis. The synthesized NCs were cubic in shape with average sizes of 12, 12, and 13 nm for the CeO 2 NCs-0.5, CeO 2 NCs-1.0, and CeO 2 NCs-2.0, respectively, obtained by the XRD analysis. The catalytic activity of the CeO 2 NCs was studied for the purpose of obtaining the reduction of malachite green (MG) in the presence of sodium borohydride (NaBH 4 ) at room temperature.
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