π-Conjugated nickel bis(dithiolene) complex nanosheet

Tetsuya Kambe, Ryota Sakamoto, Ken Hoshiko, Kenji Takada, Mariko Miyachi, Ji Heun Ryu, Sono Sasaki, Jungeun Kim, Kazuo Nakazato, Masaki Takata, Hiroshi Nishihara

Research output: Contribution to journalArticlepeer-review

431 Citations (Scopus)

Abstract

A π-conjugated nanosheet comprising planar nickel bis(dithiolene) complexes was synthesized by a bottom-up method. A liquid-liquid interfacial reaction using benzenehexathiol in the organic phase and nickel(II) acetate in the aqueous phase produced a semiconducting bulk material with a thickness of several micrometers. Powder X-ray diffraction analysis revealed that the crystalline portion of the bulk material comprised a staggered stack of nanosheets. A single-layer nanosheet was successfully realized using a gas-liquid interfacial reaction. Atomic force microscopy and scanning tunneling microscopy confirmed that the π-conjugated nanosheet was single-layered. Modulation of the oxidation state of the nanosheet was possible using chemical redox reactions.

Original languageEnglish
Pages (from-to)2462-2465
Number of pages4
JournalJournal of the American Chemical Society
Volume135
Issue number7
DOIs
Publication statusPublished - 2013 Feb 20
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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