Monomolecular covalent honeycomb nanosheets produced by surface-mediated polycondensation between 1,3,5-triamino benzene and benzene-1,3,5-tricarbox aldehyde on Au(111)

Masashi Kunitake, Ryota Tanoue, Rintaro Higuchi, Soichiro Yoshimoto, Ryusei Haraguchi, Shinobu Uemura, Nobuo Kimizuka, Adam Z. Stieg, James K. Gimzewski

Research output: Contribution to journalArticlepeer-review

Abstract

Fabrication of a two-dimensional covalent network of honeycomb nanosheets comprising small 1,3,5-triamino benzene and benzene-1,3,5-tricarboxaldehyde aromatic building blocks was conducted on Au(111) in a pH-controlled aqueous solution. In situ scanning tunneling microscopy revealed a large defect-free and homogeneous honeycomb π-conjugated nanosheet at the Au(111)/liquid interface. An electrochemical potential dependence indicated that the nanosheets were the result of thermodynamic self-assembly based not only on the reaction equilibrium but also on the adsorption (partition) equilibrium, which was controlled by the building block surface coverage as a function of electrode potential. This journal is

Original languageEnglish
Pages (from-to)3202-3208
Number of pages7
JournalNanoscale Advances
Volume2
Issue number8
DOIs
Publication statusPublished - Aug 2020

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Chemistry(all)

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