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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Characterization of single walled carbon nanotube-nitrocellulose composites
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Characterization of single walled carbon nanotube-nitrocellulose composites

机译：单壁碳纳米管-硝化纤维素复合材料的表征

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摘要

Composites of nitrocellulose (NC) and single walled carbon nanotubes (SWNTs), as well as fluorinated SWNTs produced by evaporation of solutions of NC and suspended SWNTs (while being subjected to sonication) are characterized. Raman measurements of the NC/SWNT composites showed shifts of the radial breathing and sizable upward shifts of the tangential mode frequency of the SWNT indicative of interaction between the NC and the SWNT. Composites containing 12.5% SWNTs by weight showed a 21% increase in hardness and a resistance of 0.51 Ohm-cm. Composites of NC containing a similar number of fluorinated carbon nanotubes showed a down shift of the tangential mode frequency, a 23% increase in hardness, and were not conducting. Ferromagnetic resonance and magnetization measurements indicated that the composites were ferromagnetic due to the presence of iron nanoparticles used as catalysts in the synthesis of the carbon nanotubes.
机译：表征了硝酸纤维素（NC）和单壁碳纳米管（SWNT）的复合材料，以及通过蒸发NC和悬浮的SWNT溶液（同时进行超声处理）而产生的氟化SWNT。 NC / SWNT复合材料的拉曼测量显示，径向呼吸的移动和SWNT切向模式频率的相当大的向上移动，指示NC和SWNT之间的相互作用。包含按重量计12.5％的SWNT的复合材料显示出21％的硬度增加和0.51欧姆-厘米的电阻。包含相似数量的氟化碳纳米管的NC复合材料显示出切向模式频率的下移，硬度增加了23％，并且不导电。铁磁共振和磁化强度测量表明，由于存在碳纳米管合成中用作催化剂的铁纳米粒子，因此复合材料具有铁磁性。

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