Novel PEN/BaTiO3/MWCNT Multicomponent Nanocomposite Film with High Thermal Stability for Capacitor Applications

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• 作者：Xu Huang (1)
  Zejun Pu (1)
  Lifen Tong (1)
  Rui Zhao (1)
  Xiaobo Liu (1)
  
• 关键词：Polyarylene ether nitrile ; barium titanate ; carbon nanotubes ; nanocomposites ; dielectric properties ; thermal properties
• 刊名：Journal of Electronic Materials
• 出版年：2013
• 出版时间：April 2013
• 年：2013
• 卷：42
• 期：4
• 页码：726-733
• 全文大小：753KB
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• 作者单位：Xu Huang (1)
  Zejun Pu (1)
  Lifen Tong (1)
  Rui Zhao (1)
  Xiaobo Liu (1)
  
  1. Research Branch of Advanced Functional Materials, Institute of Microelectronic & Solid State Electronic, High-Temperature Resistant Polymers and Composites Key Laboratory of Sichuan Province, University of Electronic Science & Technology of China, Chengdu, 610054, People’s Republic of China
  
• ISSN：1543-186X

文摘

In this work, novel nanocomposite films formed from polyarylene ether nitrile (PEN), barium titanate (BaTiO3), and multiwalled carbon nanotubes (MWCNTs) were successfully prepared by the solution casting method combined with continuous ultrasonic dispersion technology. The micromorphology, thermal, mechanical, and dielectric properties of the nanocomposite films are investigated. All of the nanocomposite films exhibited excellent thermal stability and mechanical strength almost the same as pure PEN film. Their initial decomposition temperatures were up to 492°C, and the tensile strength was over 82?MPa. Besides, the nanocomposite films had excellent flexibility, as the films could be curled easily into cylinders with several layers. Furthermore, it was found that the film with 1.5?wt.% MWCNTs and 20?wt.% BaTiO3 had the best comprehensive dielectric properties, with potential for application in organic film capacitors.