Formation of helical superstructures of nanotubes and peapods in water

Naotoshi Nakashima, Hisayoshi Takamori, Yasuhiko Tanaka, Yasuhiko Tomonari, Hiroto Murakami, Hiromichi Kataura, Takahiro Sakaue, Kenichi Yoshikawa

Research output: Contribution to conferencePaper


We found by means of transmission electron microscopy and atomic force microscopy that the empty SWNTs and C 70 -peapods form helical nanostructures in the shapes of rings, irregular rings, lassos, handcuffs, catenanes, pseudo rotaxanes and figure 8 structures. The mechanism of the superstructure formation has been discussed in relation to the unique characteristics of stiff polymer chains with the aid of an off-lattice Monte Carlo simulation.

Original languageEnglish
Number of pages1
Publication statusPublished - Dec 1 2005
Event54th SPSJ Annual Meeting 2005 - Yokohama, Japan
Duration: May 25 2005May 27 2005


Other54th SPSJ Annual Meeting 2005


All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Nakashima, N., Takamori, H., Tanaka, Y., Tomonari, Y., Murakami, H., Kataura, H., ... Yoshikawa, K. (2005). Formation of helical superstructures of nanotubes and peapods in water. Paper presented at 54th SPSJ Annual Meeting 2005, Yokohama, Japan.