Organic-vapor-induced Repeatable entrance and exit of C 60 into/from single-wall carbon nanohorns at room temperature

Jin Miyawaki, Masako Yudasaka, Ryota Yuge, Sumio Iijinia

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

We found that ethanol vapor forced C 60 encapsulated inside single-wall carbon nanohorns (SWNHs) to exit from SWNHs at room temperature, and in reverse, toluene vapor forced the ejected C 60 to re-enter. Interestingly, these entrance and exit behaviors were repeatable. Thermogravimetric analyses suggested C 60-toluene pseudosolvate formation in internal hollow nanospaces of SWNHs. We consider the mechanism of the backand-forth transportations; the coincorporated toluene lured C 60 from inside to outside SWNHs through adsorbed layers of ethanol formed on the SWNH surfaces. In the re-entrance, the toluene-adsorbed layer mediated transportation of C 60 from outside to the most stable sites, that is, inside SWNHs.

本文言語英語
ページ(範囲)9719-9722
ページ数4
ジャーナルJournal of Physical Chemistry C
111
27
DOI
出版ステータス出版済み - 7 12 2007
外部発表はい

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • エネルギー(全般)
  • 物理化学および理論化学
  • 表面、皮膜および薄膜

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