Three-dimensional graphene nanoribbons as a framework for molecular assembly and local probe chemistry

Shigeki Kawai, Ondrej Krejci, Tomohiko Nishiuchi, Keisuke Sahara, Takuya Kodama, Rémy Pawlak, Ernst Meyer, Takashi Kubo, Adam Foster

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)
23 Downloads (Pure)

Abstract

Recent advances in state-of-the-art probe microscopy allow us to conduct single molecular chemistry via tip- induced reactions and direct imaging of the inner structure of the products. Here, we synthesize three-dimensional graphene nanoribbons by on-surface chemical reaction and take advantage of tip-induced assembly to demon- strate their capability as a playground for local probe chemistry. We show that the radical caused by tip-induced debromination can be reversibly terminated by either a bromine atom or a fullerene molecule. The experimental results combined with theoretical calculations pave the way for sequential reactions, particularly addition reac- tions, by a local probe at the single-molecule level decoupled from the surface.
Original languageEnglish
Article numbereaay8913
Number of pages7
JournalScience Advances
Volume6
Issue number9
DOIs
Publication statusPublished - 28 Feb 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • AFM, nanoribbon
  • on-surface synthesis
  • on-surface manipulation
  • STM

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