Cationic Self-assembled Monolayers Composed of Gemini-structured Sulfur Compounds on Gold: A New Approach to Control Ionic Functions on Surfaces

Shinobu Yokokawa, Masahiko Hara, Kaoru Tamada, Eisuke Ito

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Cationic self-assembled monolayers (SAMs) composed of quaternary ammonium (QA) sulfur derivatives have been synthesized to control a position and a distance between charged head groups on gold substrates. Three molecules bearing resembling molecular structures, "gemini"-structured didodecyl dithiol (HS-gQA-SH), didodecyl disulfide (QA-SS-QA), and gemini-structured didodecyl disulfide (gQA-SS-gQA), were utilized in this study, and the formation and structure of the SAMs were characterized by surface plasmon resonance spectroscopy (SPR).

Original languageEnglish
Pages (from-to)115/[511]-120/[516]
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume407
Issue numberPART 3
DOIs
Publication statusPublished - 2003
Externally publishedYes
EventProceedings of the 13th Korea-Japan Joint Forum on Organic Materials for Electronics and Photonics - Sendai, Japan
Duration: 2002 Oct 222002 Oct 24

Keywords

  • Gemini (dimeric) surfactant
  • Quaternary ammonium group
  • Self-assembled mono-layer
  • Surface plasmon resonance

ASJC Scopus subject areas

  • Condensed Matter Physics

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