2018
DOI: 10.3390/chemosensors6020014
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Colorimetric Materials for Fire Gas Detection—A Review

Abstract: The damage caused by outbreaks of fire continues to be enormous despite ongoing improvements in fire detection and fighting. Therefore, the detection of fires at the earliest possible stage is essential. The latest developments in fire detection devices include the addition of carbon monoxide (CO) or temperature sensors into the widespread smoke detectors, but also alternative solutions are searched for. Advantageous is the direct detection of the most relevant fire gases CO and nitrogen dioxide (NO 2), becaus… Show more

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Cited by 16 publications
(13 citation statements)
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“…Most studied OTFTs are selective to NO 2 . The detection limits are higher than that achieved with colorimetric sensors, but comparable to quartz-enhanced PAS (QEPAS) and H-type longitudinal resonant photoacoustic cells [147,176,177]. It is, however, less performant than Faraday rotation spectroscopy (FRS), a costly and sophisticated technique which uses the magnetic circular birefringence (MCB) effect [177].…”
Section: Nomentioning
confidence: 97%
See 1 more Smart Citation
“…Most studied OTFTs are selective to NO 2 . The detection limits are higher than that achieved with colorimetric sensors, but comparable to quartz-enhanced PAS (QEPAS) and H-type longitudinal resonant photoacoustic cells [147,176,177]. It is, however, less performant than Faraday rotation spectroscopy (FRS), a costly and sophisticated technique which uses the magnetic circular birefringence (MCB) effect [177].…”
Section: Nomentioning
confidence: 97%
“…It is worth noticing that there are several methods available for gas detection exhibiting selectivity and sensitivity, including gas chromatography (GC), mass spectrometry (MS) and optical chemical sensing [144][145][146][147][148][149][150][151][152]. Nonetheless, they are based on robust and costly equipment, which are hardly implemented at remote locations, and therefore, do not allow for on-site monitoring.…”
Section: Gas Sensing Applicationsmentioning
confidence: 99%
“…Gas sensitive color dyes have been chemically known about for many years. An overview of gasochromic color dyes for CO detection is given in [ 9 ]. The binuclear rhodium complex used for this work was firstly described by Esteban in 2010 [ 10 ].…”
Section: Introductionmentioning
confidence: 99%
“…Colorimetric reactions have already been identified as a promising technology for the detection of fire related gases [3]. Various rhodium-based metal-organic complex compounds exhibit a fast, selective and reversible reaction towards CO [4].…”
Section: Introductionmentioning
confidence: 99%