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Journal of the American Chemical Society· 2015Q1

Chemiresistive Sensor Arrays from Conductive 2D Metal–Organic Frameworks

Michael G. Campbell, Sophie F. Liu, Timothy M. Swager, Mircea Dincă

Short summary

Researchers have developed chemiresistive sensor arrays using conductive two-dimensional (2D) metal-organic frameworks (MOFs), a novel class of materials for detecting volatile organic compounds (VOCs).

AI-generated from the title and abstract; the full text is not read.

Key points

  • Introduced conductive 2D metal-organic frameworks (MOFs) for chemiresistive sensing.
  • Constructed a cross-reactive sensor array capable of discriminating VOC categories.
  • Demonstrated multiple, highly orthogonal sensing mechanisms.
  • 2D MOFs offer advantages over other chemiresistor materials.

AI-generated from the title and abstract; the full text is not read.

Abstract

Applications of porous metal-organic frameworks (MOFs) in electronic devices are rare, owing in large part to a lack of MOFs that display electrical conductivity. Here, we describe the use of conductive two-dimensional (2D) MOFs as a new class of materials for chemiresistive sensing of volatile organic compounds (VOCs). We demonstrate that a family of structurally analogous 2D MOFs can be used to construct a cross-reactive sensor array that allows for clear discrimination between different categories of VOCs. Experimental data show that multiple sensing mechanisms are operative with high degrees of orthogonality, establishing that the 2D MOFs used here are mechanistically unique and offer advantages relative to other known chemiresistor materials.

The authors' abstract, as published at the source. Journal of the American Chemical Society, 2015 · DOI ↗

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Field: Electrochemistry

ElectrochemistryChemistry