Synthesis and Characterization of Sn Coating on MWCNT Using DBA as a Capping Agent

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• 作者：M. W. Frischa ; Kwang-Lung Lin
• 关键词：CNT ; capping agent ; Sn ; coating ; microstructure
• 刊名：Journal of Electronic Materials
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：45
• 期：1
• 页码：79-87
• 全文大小：1,813 KB
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• 作者单位：M. W. Frischa (1)
  Kwang-Lung Lin (2)
  
  1. International Curriculum for Advanced Materials Program, National Cheng Kung University, Tainan, Taiwan, ROC
  2. Department of Materials Science and Engineering, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  Electronics, Microelectronics and Instrumentation
  Solid State Physics and Spectroscopy
  
• 出版者：Springer Boston
• ISSN：1543-186X

文摘

The good conductivity and low melting temperature of Sn is beneficial for interconnect applications. This study was an attempt to optimize the Sn coating process on multi-walled carbon nanotubes (MWCNTs) (Sn/MWCNT). Sn/MWCNT was synthesized from SnCl₂ solution using 3,5-diaminobenzoic acid (DBA) as the capping agent with varying mass ratios. MWCNTs were dispersed in a DBA solution incorporating 83% polyphosphoric acid and phosphorus pentoxide (P₂O₅) while being purged with N₂. The DBA-MWCNT suspension was then added into the SnCl₂ solution, followed by titration with a NaBH₄ solution to produce a uniform Sn coating. The Sn/MWCNTs were analyzed using scanning electron microscope-energy dispersive x-ray spectroscopy, transmission electron microscopy, raman spectroscopy, thermogravimetric analysis and fourier transform infrared spectroscopy. The influence of DBA addition on Sn coating performance was investigated. The Sn-coated MWCNTs exhibited enhancement in resistance to thermal decomposition, as indicated by an increasing decomposition temperature compared to that of pristine MWCNTs.