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Title: Electrically Conductive Metal–Organic Frameworks

Abstract

Metal-organic frameworks (MOFs) are intrinsically porous extended solids formed by coordination bonding between organic ligands and metal ions or clusters. High electrical conductivity is rare in MOFs, yet it allows for diverse applications in electrocatalysis, charge storage, and chemiresistive sensing, among others. In this Review, we discuss the efforts undertaken so far to achieve efficient charge transport in MOFs. We focus on four common strategies that have been harnessed toward high conductivities. In the “through-bond” approach, continuous chains of coordination bonds between the metal centers and ligands’ functional groups create charge transport pathways. In the “extended conjugation” approach, the metals and entire ligands form large delocalized systems. The “through-space” approach harnesses the π-π stacking interactions between organic moieties. The “guest-promoted” approach utilizes the inherent porosity of MOFs and host-guest interactions. Studies utilizing less defined transport pathways are also evaluated. For each approach, we give a systematic overview of the structures and transport properties of relevant materials. We consider the benefits and limitations of strategies developed thus far and provide an overview of outstanding challenges in conductive MOFs.

Authors:
 [1];  [1]; ORCiD logo [1]
  1. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); US Army Research Office (ARO); National Science Foundation (NSF)
OSTI Identifier:
1615048
Alternate Identifier(s):
OSTI ID: 1657167
Grant/Contract Number:  
SC0018235
Resource Type:
Published Article
Journal Name:
Chemical Reviews
Additional Journal Information:
Journal Name: Chemical Reviews Journal Volume: 120 Journal Issue: 16; Journal ID: ISSN 0009-2665
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
Metals; Metal organic frameworks; Charge transport; Electrical conductivity; Materials

Citation Formats

Xie, Lilia S., Skorupskii, Grigorii, and Dincă, Mircea. Electrically Conductive Metal–Organic Frameworks. United States: N. p., 2020. Web. doi:10.1021/acs.chemrev.9b00766.
Xie, Lilia S., Skorupskii, Grigorii, & Dincă, Mircea. Electrically Conductive Metal–Organic Frameworks. United States. doi:10.1021/acs.chemrev.9b00766.
Xie, Lilia S., Skorupskii, Grigorii, and Dincă, Mircea. Fri . "Electrically Conductive Metal–Organic Frameworks". United States. doi:10.1021/acs.chemrev.9b00766.
@article{osti_1615048,
title = {Electrically Conductive Metal–Organic Frameworks},
author = {Xie, Lilia S. and Skorupskii, Grigorii and Dincă, Mircea},
abstractNote = {Metal-organic frameworks (MOFs) are intrinsically porous extended solids formed by coordination bonding between organic ligands and metal ions or clusters. High electrical conductivity is rare in MOFs, yet it allows for diverse applications in electrocatalysis, charge storage, and chemiresistive sensing, among others. In this Review, we discuss the efforts undertaken so far to achieve efficient charge transport in MOFs. We focus on four common strategies that have been harnessed toward high conductivities. In the “through-bond” approach, continuous chains of coordination bonds between the metal centers and ligands’ functional groups create charge transport pathways. In the “extended conjugation” approach, the metals and entire ligands form large delocalized systems. The “through-space” approach harnesses the π-π stacking interactions between organic moieties. The “guest-promoted” approach utilizes the inherent porosity of MOFs and host-guest interactions. Studies utilizing less defined transport pathways are also evaluated. For each approach, we give a systematic overview of the structures and transport properties of relevant materials. We consider the benefits and limitations of strategies developed thus far and provide an overview of outstanding challenges in conductive MOFs.},
doi = {10.1021/acs.chemrev.9b00766},
journal = {Chemical Reviews},
number = 16,
volume = 120,
place = {United States},
year = {2020},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1021/acs.chemrev.9b00766

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