Polymer ring formation by electron/hole injection from an STM tip into a C60 close-packed layer

Ryo Nouchi, Kosuke Masunari, Toshio Ohta, Yoshihiro Kubozono, Yoshihiro Iwasa

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    Polymerization and depolymerization of C60 molecules are induced by charge carrier injection from a scanning tunneling microscope tip into C60 close-packed layers. These reactions are hard to be achieved at single molecular precision because of a spatial spread of injected carriers. We report that the carrier-spreading effect produces a ring-shaped distribution of C60 polymers around the carrier injection point. Formation of the polymer ring of C60 is explained by energy dissipation of spreading carriers. Therefore, the polymer ring can be recognized as a direct reflection of carrier propagation. Subsequent electron or hole injections enlarge the ring. This result shows that both electrons and holes can induce both polymerization and depolymerization of C60 molecules.

    Original languageEnglish
    Pages (from-to)3017-3020
    Number of pages4
    JournalPhysica Status Solidi (B) Basic Research
    Issue number13
    Publication statusPublished - Nov 1 2006

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics


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