2022
DOI: 10.1021/acssensors.2c00301
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VOC Mixture Sensing with a MOF Film Sensor Array: Detection and Discrimination of Xylene Isomers and Their Ternary Blends

Abstract: Detection and recognition of volatile organic compounds (VOCs) are crucial in many applications. While pure VOCs can be detected by various sensors, the discrimination of VOCs in mixtures, especially of similar molecules, is hindered by crosssensitivities. Isomer identification in mixtures is even harder. Metal−organic frameworks (MOFs) with their well-defined, nanoporous, and versatile structures have the potential to improve the VOC sensing performance by tailoring the adsorption affinities. Here, we detect … Show more

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Cited by 52 publications
(35 citation statements)
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“…A different behavior might be observed for materials that have much stronger interactions with the adsorbed molecules, such as metal–organic frameworks (MOFs) , and so on activated carbon . In those cases, the replacement might take much longer time or may not happen at all.…”
Section: Resultsmentioning
confidence: 99%
“…A different behavior might be observed for materials that have much stronger interactions with the adsorbed molecules, such as metal–organic frameworks (MOFs) , and so on activated carbon . In those cases, the replacement might take much longer time or may not happen at all.…”
Section: Resultsmentioning
confidence: 99%
“…Vapor concentration is controlled by the flow rates through the mass flow controller and sensor array is located in a gas flow chamber. Reprinted (adapted) with permission from [ 90 ]. Copyright 2022 American Chemical Society …”
Section: Overview Of the Applications Of Mofs As Sensors In Different...mentioning
confidence: 99%
“…Methanol, ethanol and water enriched gas ows were prepared like in our previous publications. 67,68 One stream passes through the gas wash bottle and bubbles through the liquid VOC to produce VOC-enriched vapor. The other stream is pure argon.…”
Section: Characterization Of Samplesmentioning
confidence: 99%