Vacuum and Surface Science
Online ISSN : 2433-5843
Print ISSN : 2433-5835
Regular article
Evaluation of Ozone Damage of Carbon Nanotubes
Ryo ISHIKAWAAkio NAKANORyunosuke SHIMAMaki SHIMIZUYoshikazu HOMMA
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2018 Volume 61 Issue 12 Pages 797-801

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Abstract

Single-walled carbon nanotubes (CNTs) are light and highly tensile, which makes them a candidate material for space elevator. However, CNTs are not resistant to oxidant. We studied the damage of CNTs caused by exposure to ozone using several kinds of single-walled CNTs with varying crystallinity and morphology. We found a correlation between the initial crystallinity and resistance to ozone : high-crystallinity CNTs with a small number of defects were lightly damaged by ozone exposure, while highly-defective CNTs were further damaged. The thickness of bundling also affected the resistance to ozone. High-crystallinity CNTs forming a thick bundle were most resistant to ozone.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc/4.0/deed.ja
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