Observation of supramolecular structures of molecular nanotubes and starpolymers by scanning tunneling microscopy

Yasushi Okumura, Kohzo Ito, Reinosuke Hayakawa, Toshio Nishi

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Abstract

A molecular nanotube is a new kind of organic tubular molecule synthesized from cyclodextrin molecules of cyclic form. This nanotube has a constant inside diameter smaller than that of a carbon nanotube, and is soluble in several kinds of solvents such as water. In this study, we have observed by scanning tunneling microscopy a new kind of supramolecules formed by the molecular nanotubes and starpolymers with three branches. We found that the molecular nanotube includes a linear polymer chain chemically fixed to highly oriented pyrolytic graphite. Furthermore, we show that a dendritic structure is formed by molecular nanotubes and starpolymers on the substrate.

Original languageEnglish
Pages (from-to)833-836
Number of pages4
JournalKOBUNSHI RONBUNSHU
Volume56
Issue number12
Publication statusPublished - Dec 1 1999
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Materials Science (miscellaneous)
  • Environmental Science(all)
  • Polymers and Plastics

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