Metallic Conductivity in a Two-Dimensional Cobalt Dithiolene Metal-Organic Framework

Andrew J. Clough, Jonathan M. Skelton, Courtney A. Downes, Ashley A. De La Rosa, Joseph W. Yoo, Aron Walsh, Brent C. Melot, Smaranda C. Marinescu

Research output: Contribution to journalArticlepeer-review

288 Scopus citations


Two-dimensional (2D) metal-organic frameworks (MOFs) have received a great deal of attention due to their relatively high charge carrier mobility and low resistivity. Here we report on the temperature-dependent charge transport properties of a 2D cobalt 2,3,6,7,10,11-triphenylenehexathiolate framework. Variable temperature resistivity studies reveal a transition from a semiconducting to a metallic phase with decreasing temperature, which is unprecedented in MOFs. We find this transition to be highly dependent on the film thickness and the amount of solvent trapped in the pores, with density functional theory calculations of the electronic-structure supporting the complex metallic conductivity of the material. These results identify the first experimentally observed MOF that exhibits band-like metallic conductivity.

Original languageEnglish
Pages (from-to)10863-10867
Number of pages5
JournalJournal of the American Chemical Society
Issue number31
StatePublished - 9 Aug 2017

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Publisher Copyright:
© 2017 American Chemical Society.


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