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Single-walled carbon nanotube fibers, films and balls

机译：单壁碳纳米管纤维，薄膜和球

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摘要

Well-defined fibers and films of single-walled carbon nanotubes (SWNTs) with high purity and narrow diameter distributions were obtained from the strand-like raw soot produced by a dc arc-discharge method. These architectures made up of SWNTs have very uniform smooth surfaces. When the strand-like product was placed on a silicon substrate, dipped into water, treated ultrasonically, and then dried in air, another interesting architecture, an SWNT ball, was obtained. This ball-like structure could also be found on the surface of purified SWNTs. We propose that the surface tension of water and the interaction between SWNTs and silica sphere played the key role in the ball (SWNTs outside and silica sphere inside) formation process.
机译：从通过直流电弧放电法生产的股状生烟灰中获得了具有高纯度和窄直径分布的轮廓分明的纤维和单壁碳纳米管（SWNT）薄膜。这些由SWNT组成的体系结构具有非常均匀的光滑表面。当将股状产品放在硅基板上，浸入水中，超声处理，然后在空气中干燥时，获得了另一种有趣的结构，即SWNT球。在纯化的单壁碳纳米管的表面上也可以找到这种球形结构。我们认为水的表面张力以及SWNTs和二氧化硅球之间的相互作用在球（外部SWNTs和内部二氧化硅球）的形成过程中起着关键作用。

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