Molecularly Resolved Dynamics for Two-Dimensional Nucleation of Supramolecular Assembly

H. Yanagi, H. Mukai, K. Ikuta, T. Shibutani, T. Kamikado, S. Yokoyama, S. Mashiko

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)


Nucleation growth of a platinum porphyrin derivative adsorbed on a Cu (100) surface was observed with a scanning tunneling microscope. The molecule attached with four di-tert-butylphenyl groups allowed equilibrium between diffusional gas phase and two-dimensional nuclei. To minimize the free energy for nucleation, the registry of the molecules into the kink sites resulted in formation of nuclei with singular, rectangular contours. Dependence of the equilibrium conditions on the sample-tip bias voltages was also presented.

Original languageEnglish
Pages (from-to)601-604
Number of pages4
JournalNano Letters
Issue number6
Publication statusPublished - Jun 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanical Engineering


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