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A Review of Methodologies for the Rapid Analysis and Quantification of Gases in Solid Media

文献类型： 外文期刊

作者： Zhang, Chu 1 ; Jiao, Leizi 2 ; Wei, Yibo 3 ; Bao, Feng 2 ; Guo, Rui 2 ; Dong, Daming 1 ;

作者机构： 1.Guilin Univ Elect Technol, Sch Optoelect Engn, Guilin 541004, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China

3.Beijing Acad Agr & Forestry Sci, Res Ctr Informat Technol, Beijing 100097, Peoples R China

关键词： gas detection; porous media; extraction measurement; in-medium scattering spectroscopy; gas sensing probes

期刊名称：SENSORS （ 影响因子：3.5； 五年影响因子：3.7 ）

ISSN：

年卷期： 2024 年 24 卷 23 期

页码：

收录情况： SCI

摘要： Gas sensors are essential measurement devices that have found extensive applications across various fields, including industry, agriculture, ecological and environmental monitoring, military operations, and biomedical research. Numerous sensing methods based on a diverse range of principles-including optics, electrochemistry, and semiconductors-have been used in the development and manufacture of gas sensing technologies. However, the measurement of certain gases remains challenging when using current sensing techniques and sensors; this is particularly true for the gases that are present in solid media. For example, the nitrous oxide that is emitted from soil is often trapped within soil pores, while a significant portion of the ethylene that is released from fruit dissolves within the flesh of the fruit itself. Measurement of the gases in these situations poses difficulties when using conventional gas sensing methodologies. To enable the detection of these elusive gases, scientists and engineers have devised a variety of specialized approaches over the past two decades. In this review article, we summarize several of these sensing methods-including extraction measurement techniques, in-medium scattering spectroscopy, and the use of micro-nano gas sensing probes-and discuss their respective advantages and disadvantages, along with emerging trends in the development of these techniques.

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