Ring closure of carbon nanotubes

M. Sano, A. Kamino, J. Okamura, S. Shinkai

研究成果: Contribution to journalArticle査読

339 被引用数 (Scopus)

抄録

Lightly etched single-wagged carbon nanotubes are chemically reacted to form rings. The rings appear to be fully closed as opposed to open coils, as ring-opening reactions did not change the structure of the observed rings. The average diameter of the rings was 540 nanometers with a narrow size distribution. The nanotubes in solution were modeled as wormlike polymer chains, yielding a persistence length of 800 nanometers. Nanotubes shorter than this length behave stiffly and stay nearly straight in solution. However, nanotubes longer than the Kuhn segment length of 1600 nanometers undergo considerable thermal fluctuation, suggesting a greater flexibility of these materials than is generally assumed.

本文言語英語
ページ(範囲)1299-1301
ページ数3
ジャーナルScience
293
5533
DOI
出版ステータス出版済み - 8 17 2001
外部発表はい

All Science Journal Classification (ASJC) codes

  • General

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