M. Hjiri , N. Benmansour , N.H. Alonizan , G. Neri
{"title":"Ppt level gas sensing by resistive gas Sensors: A review","authors":"M. Hjiri , N. Benmansour , N.H. Alonizan , G. Neri","doi":"10.1016/j.microc.2025.113670","DOIUrl":null,"url":null,"abstract":"<div><div>Resistive sensors are highly popular sensors for the detection of toxic gases. This is mainly related to their high response, stability, compactness, low price and swift dynamics. In particular, most of them are able to detect toxic gases in ppm and ppb range. However, there are some reports about ppt level detection of gases by resistive gas sensors, a very low level close to capability of a trained dog. This feature is very important for increase of safety of our life and higher standards of life. In this review paper, for the first time we have discussed various sensing materials with ppt detection of gases. Mechanisms of gas detection are explained in detail. We believe that present review paper provides plenty of useful information for the researchers work in this interdisciplinary field.</div></div>","PeriodicalId":391,"journal":{"name":"Microchemical Journal","volume":"213 ","pages":"Article 113670"},"PeriodicalIF":4.9000,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microchemical Journal","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0026265X25010240","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, ANALYTICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Resistive sensors are highly popular sensors for the detection of toxic gases. This is mainly related to their high response, stability, compactness, low price and swift dynamics. In particular, most of them are able to detect toxic gases in ppm and ppb range. However, there are some reports about ppt level detection of gases by resistive gas sensors, a very low level close to capability of a trained dog. This feature is very important for increase of safety of our life and higher standards of life. In this review paper, for the first time we have discussed various sensing materials with ppt detection of gases. Mechanisms of gas detection are explained in detail. We believe that present review paper provides plenty of useful information for the researchers work in this interdisciplinary field.
期刊介绍：
The Microchemical Journal is a peer reviewed journal devoted to all aspects and phases of analytical chemistry and chemical analysis. The Microchemical Journal publishes articles which are at the forefront of modern analytical chemistry and cover innovations in the techniques to the finest possible limits. This includes fundamental aspects, instrumentation, new developments, innovative and novel methods and applications including environmental and clinical field.
Traditional classical analytical methods such as spectrophotometry and titrimetry as well as established instrumentation methods such as flame and graphite furnace atomic absorption spectrometry, gas chromatography, and modified glassy or carbon electrode electrochemical methods will be considered, provided they show significant improvements and novelty compared to the established methods.
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