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Signature of Metallic Behavior in the Metal-Organic Frameworks M3(hexaiminobenzene)2 (M = Ni, Cu).

  • Author(s): Dou, Jin-Hu
  • Sun, Lei
  • Ge, Yicong
  • Li, Wenbin
  • Hendon, Christopher H
  • Li, Ju
  • Gul, Sheraz
  • Yano, Junko
  • Stach, Eric A
  • Dincă, Mircea
  • et al.
Abstract

The two-dimensionally connected metal-organic frameworks (MOFs) Ni3(HIB)2 and Cu3(HIB)2 (HIB = hexaiminobenzene) are bulk electrical conductors and exhibit ultraviolet-photoelectron spectroscopy (UPS) signatures expected of metallic solids. Electronic band structure calculations confirm that in both materials the Fermi energy lies in a partially filled delocalized band. Together with additional structural characterization and microscopy data, these results represent the first report of metallic behavior and permanent porosity coexisting within a metal-organic framework.

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