Issue 34, 2018

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

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)

Supplementary files

Article information

Article type
Communication
Submitted
29 Mai 2018
Accepted
29 Jun 2018
First published
02 Jul 2018
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2018,47, 11739-11743

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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