著者
石川 諒 中野 尭雄 島 龍之介 清水 麻希 本間 芳和
出版者
公益社団法人 日本表面真空学会
雑誌
表面と真空 (ISSN:24335835)
巻号頁・発行日
vol.61, no.12, pp.797-801, 2018-12-10 (Released:2018-12-10)
参考文献数
19

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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