Helical microtubules of graphitic carbon

  title={Helical microtubules of graphitic carbon},
  author={S. Iijima},
  • S. Iijima
  • Published 1991
  • Chemistry
  • Nature
  • THE synthesis of molecular carbon structures in the form of C60 and other fullerenes1 has stimulated intense interest in the structures accessible to graphitic carbon sheets. Here I report the preparation of a new type of finite carbon structure consisting of needle-like tubes. Produced using an arc-discharge evaporation method similar to that used for fullerene synthesis, the needles grow at the negative end of the electrode used for the arc discharge. Electron microscopy reveals that each… CONTINUE READING
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