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Issue 34, 2018
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Coordination-induced reversible electrical conductivity variation in the MOF-74 analogue Fe2(DSBDC)

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Abstract

Inner-sphere changes at the open Fe centers in Fe2(DSBDC) (DSBDC4− = 2,5-disulfidobenzene-1,4-dicarboxylate), as caused by coordination and release of solvent molecules, lead to reversible structural and electrical conductivity changes. Specifically, coordination of N,N-dimethylformamide (DMF) to the open Fe sites improves the room-temperature electrical conductivity by three orders of magnitude. Supported by additional density functional theory calculations, we attribute the electrical conductivity enhancement to partial electron transfer from Fe to DMF, which generates hole carriers and improves the charge carrier density in Fe2(DSBDC).

Graphical abstract: Coordination-induced reversible electrical conductivity variation in the MOF-74 analogue Fe2(DSBDC)

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Publication details

The article was received on 29 May 2018, accepted on 29 Jun 2018 and first published on 02 Jul 2018


Article type: Communication
DOI: 10.1039/C8DT02197J
Dalton Trans., 2018,47, 11739-11743
  • Open access: Creative Commons BY-NC license
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    Coordination-induced reversible electrical conductivity variation in the MOF-74 analogue Fe2(DSBDC)

    L. Sun, C. H. Hendon and M. Dincă, Dalton Trans., 2018, 47, 11739
    DOI: 10.1039/C8DT02197J

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