Controlled synthesis of boron nitride (BN) coating on Al4B2O9 nanowhiskers

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• 作者：Ying Fan (1)
  Jinpeng Chen (1)
  Yanming Xue (1)
  Xuewen Xu (1)
  Jing Lin (1)
  Long Hu (1)
  Zuming Lu (1)
  Xinghua Zhang (1)
  Zhaojun Mo (1)
  Chao Liu (1)
  Fanbin Meng (1)
  Chengchun Tang (1)
  
• 关键词：BN ; Aluminum borate ; Nanowhiskers ; Thermal treatment
• 刊名：Journal of Nanoparticle Research
• 出版年：2013
• 出版时间：June 2013
• 年：2013
• 卷：15
• 期：6
• 全文大小：595KB
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• 作者单位：Ying Fan (1)
  Jinpeng Chen (1)
  Yanming Xue (1)
  Xuewen Xu (1)
  Jing Lin (1)
  Long Hu (1)
  Zuming Lu (1)
  Xinghua Zhang (1)
  Zhaojun Mo (1)
  Chao Liu (1)
  Fanbin Meng (1)
  Chengchun Tang (1)
  
  1. School of Material Science and Engineering, Hebei University of Technology, Tianjin, 300130, People’s Republic of China
  
• ISSN：1572-896X

文摘

BN-coated aluminum borate (Al4B2O9) nanowhiskers with a uniform diameter of ~20?nm have been successfully synthesized by sol–gel and post-thermal-treatment methods. Al4B2O9 precursor is prepared under a relatively low temperature then heat treated at higher temperatures. By controlling heat-treatment conditions, BN is favorably generated in the form of uniform coating on the surface of Al4B2O9 as illustrated by SEM and TEM observations. Owing to inertness, the BN layers improve the high-temperature stability of Al4B2O9, which is verified by XRD and SEM characterizations. The successful synthesis of the uniform fine BN-coated Al4B2O9 nanowhisker is of significance and has the potential to expand the commercial value of aluminum borate nanowhiskers.