A porous, electrically conductive hexa-zirconium(iv) metal-organic framework

Subhadip Goswami, Debmalya Ray, Ken Ichi Otake, Chung Wei Kung, Sergio J. Garibay, Timur Islamoglu, Ahmet Atilgan, Yuexing Cui, Christopher J. Cramer, Omar K. Farha, Joseph T Hupp

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Engendering electrical conductivity in high-porosity metal-organic frameworks (MOFs) promises to unlock the full potential of MOFs for electrical energy storage, electrocatalysis, or integration of MOFs with conventional electronic materials. Here we report that a porous zirconium-node-containing MOF, NU-901, can be rendered electronically conductive by physically encapsulating C60, an excellent electron acceptor, within a fraction (ca. 60%) of the diamond-shaped cavities of the MOF. The cavities are defined by node-connected tetra-phenyl-carboxylated pyrene linkers, i.e. species that are excellent electron donors. The bulk electrical conductivity of the MOF is shown to increase from immeasurably low to 10-3 S cm-1, following fullerene incorporation. The observed conductivity originates from electron donor-acceptor interactions, i.e. charge-transfer interactions-a conclusion that is supported by density functional theory calculations and by the observation of a charge-transfer-derived band in the electronic absorption spectrum of the hybrid material. Notably, the conductive version of the MOF retains substantial nanoscale porosity and continues to display a sizable internal surface area, suggesting potential future applications that capitalize on the ability of the material to sorb molecular species.

Original languageEnglish
Pages (from-to)4477-4482
Number of pages6
JournalChemical Science
Volume9
Issue number19
DOIs
Publication statusPublished - Jan 1 2018

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Metals
Electrons
Charge transfer
Porosity
Fullerenes
Electrocatalysis
Diamond
Hybrid materials
Energy storage
Density functional theory
Absorption spectra
Electric Conductivity

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Goswami, S., Ray, D., Otake, K. I., Kung, C. W., Garibay, S. J., Islamoglu, T., ... Hupp, J. T. (2018). A porous, electrically conductive hexa-zirconium(iv) metal-organic framework. Chemical Science, 9(19), 4477-4482. https://doi.org/10.1039/c8sc00961a

A porous, electrically conductive hexa-zirconium(iv) metal-organic framework. / Goswami, Subhadip; Ray, Debmalya; Otake, Ken Ichi; Kung, Chung Wei; Garibay, Sergio J.; Islamoglu, Timur; Atilgan, Ahmet; Cui, Yuexing; Cramer, Christopher J.; Farha, Omar K.; Hupp, Joseph T.

In: Chemical Science, Vol. 9, No. 19, 01.01.2018, p. 4477-4482.

Research output: Contribution to journalArticle

Goswami, S, Ray, D, Otake, KI, Kung, CW, Garibay, SJ, Islamoglu, T, Atilgan, A, Cui, Y, Cramer, CJ, Farha, OK & Hupp, JT 2018, 'A porous, electrically conductive hexa-zirconium(iv) metal-organic framework', Chemical Science, vol. 9, no. 19, pp. 4477-4482. https://doi.org/10.1039/c8sc00961a
Goswami S, Ray D, Otake KI, Kung CW, Garibay SJ, Islamoglu T et al. A porous, electrically conductive hexa-zirconium(iv) metal-organic framework. Chemical Science. 2018 Jan 1;9(19):4477-4482. https://doi.org/10.1039/c8sc00961a
Goswami, Subhadip ; Ray, Debmalya ; Otake, Ken Ichi ; Kung, Chung Wei ; Garibay, Sergio J. ; Islamoglu, Timur ; Atilgan, Ahmet ; Cui, Yuexing ; Cramer, Christopher J. ; Farha, Omar K. ; Hupp, Joseph T. / A porous, electrically conductive hexa-zirconium(iv) metal-organic framework. In: Chemical Science. 2018 ; Vol. 9, No. 19. pp. 4477-4482.
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