Influence of external stimuli on the nano-ordered rows and honeycombs in mercaptomethyloligothiophene monolayers on Au (111)

Tohru Nakamura, Hiroshi Kondoh, Mutsuyoshi Matsumoto, Hisakazu Nozoye

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Nano-ordered structures, i.e. one-dimensional molecular rows and two-dimensional honeycombs consisting of mercaptomethylthiophene derivatives were observed on Au (111) by scanning tunneling microscopy at room temperature. It was suggested that mercaptomethylthienyl group plays a key role for the formation of the specific structures. When the samples were immersed in ethanol solution of transition metal chlorides, the nanostructures remained intact although the deposition of nanoclusters was observed in some cases. The effect of applying electric field on the nanostructures in the ethanol solution was also investigated.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume322
DOIs
Publication statusPublished - 1998 Jan 1
Externally publishedYes

Keywords

  • Mercaptomethyloligothiophenes
  • Scanning tunneling microscopy
  • Self-assembled monolayers
  • Thiol/gold system

ASJC Scopus subject areas

  • Condensed Matter Physics

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