Insights into BiOCl with tunable nanostructures and their photocatalytic and electrochemical activities

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• 作者：Yanqiu Xu ; Xiulan Hu ; Haikui Zhu ; Jianbo Zhang
• 刊名：Journal of Materials Science
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：51
• 期：9
• 页码：4342-4348
• 全文大小：1,030 KB
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• 作者单位：Yanqiu Xu (1)
  Xiulan Hu (1)
  Haikui Zhu (1)
  Jianbo Zhang (1)
  
  1. College of Materials Science and Engineering, Nanjing Tech University, Xin-Mo-Fan Road No. 5, Nanjing, 210009, Jiangsu, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Materials Science
  Characterization and Evaluation Materials
  Polymer Sciences
  Continuum Mechanics and Mechanics of Materials
  Crystallography
  Mechanics
  
• 出版者：Springer Netherlands
• ISSN：1573-4803

文摘

Bismuth oxychloride (BiOCl) with tunable structures and morphologies were successfully synthesized through a facile solvothermal method in water–methanol solution. Size and shape of BiOCl could be effectively tuned by adjusting the volume fraction of water in water–methanol solution. With the increasing water content, BiOCl grows along the c-axis [001] orientation, and the exposure of {001} facets also increases. In the case of 10 % water, dispersed BiOCl nanoplates with the size of 200 nm and the thickness of 40 nm were obtained instead of microspheres as obtained in pure methanol. These BiOCl nanoplates showed higher photocatalytic activity toward methyl orange (MO) than BiOCl microspheres and higher degradation activity for rhodamine B (RhB) than P25. The excellent photocatalytic activity of BiOCl nanoplates could be mainly attributed to its effective separation of electron–hole pairs, increased exposure of {001} facets, and reductions in size and thickness. And BiOCl nanoplates prepared with 15 % water exhibit promising oxygen reduction reaction performance in alkaline electrolyte (KOH) due to the increased exposure of {001} facets.