剑鞘结构碳纳米管合成新方法

2012 International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) Pub Date : 2012-08-01 DOI:10.1109/3M-NANO.2012.6472938

Xuecheng Chen, K. Kierzek, R. Kaleńczuk, E. Mijowska, Zhiwei Jiang, Tao Tang

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引用次数: 0

摘要

在这里，我们报告了一种简单的方法来合成一种新型材料-被困在碳纳米管中的介孔碳纳米线形成剑鞘结构(MCW@CNT)。采用表面活性剂-模板自组装和化学气相沉积相结合的方法在AAO模板上制备了它们。剑和鞘都是由类似于多壁碳纳米管的石墨层构成的。这种剑鞘结构的形成导致了比表面积的增强。在碳纳米管的内部空间沉积了均匀的SnO2纳米颗粒。研究了SnO2-MCW@CNTs复合材料作为锂电池负极材料的电化学性能。

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New synthesis method of sword-sheath structured carbon nanotubes

Here, we report a facile method to synthesize a novel material-mesoporous carbon nanowires trapped in carbon nanotubes forming sword-sheath structures (MCW@CNT). They are fabricated by combining surfactant-templating self-assembly method and chemical vapor deposition in AAO template. Both of the sword and the sheath are formed by graphitic layers analogous to multiwalled carbon nanotubes. The formation of this sword-sheath structure resulted in the enhancement of specific surface area. Uniform SnO2 nanoparticles were deposited in the inner space of carbon nanotubes. The electrochemical properties of the SnO2-MCW@CNTs composites as anode materials for lithium batteries were investigated.

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2012 International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO)

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