Recent advances in chemiresistive gas sensor for acetone detection: Focus on room temperature

IF 11.8 1区化学 Q1 CHEMISTRY, ANALYTICAL

Trends in Analytical Chemistry Pub Date : 2025-02-27 DOI:10.1016/j.trac.2025.118213

Lu Zhang , Mingyue Zhou , Fanxing Meng , Jinyu Bai , Dong Wang , Mingcong Tang , Zhaofeng Wu

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Abstract

Acetone is a harmful volatile organic compound and a key biomarker for metabolic health. Room temperature (RT) gas sensors have the characteristics of low power consumption, high safety, and easy integration, making them an ideal choice for building non-invasive acetone monitoring. With AI and Internet of Things advancements, RT acetone sensors, especially those with miniaturized and wearable features, are expected to gain significant future interest. This review systematically summarizes the possible sensing mechanisms (oxygen species adsorption, direct electron transfer and electron scattering effects) and internal/external influencing factors of acetone sensors at RT. The different types of materials for RT acetone detection are classified. Besides, the state-of-the-art portable/wearable sensing devices for RT acetone detection are presented. Finally, the challenges that must be solved in the move to the continuous development of RT gas sensors are clearly discussed.

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用于丙酮检测的化学电阻式气体传感器的最新进展：以室温为重点

丙酮是一种有害的挥发性有机化合物，是代谢健康的重要生物标志物。室温（RT）气体传感器具有低功耗，高安全性和易于集成的特点，使其成为构建无创丙酮监测的理想选择。随着人工智能和物联网的发展，RT丙酮传感器，特别是那些具有小型化和可穿戴功能的传感器，有望在未来获得重大关注。本文系统地综述了丙酮传感器在RT中可能的传感机制（氧吸附、直接电子转移和电子散射效应）和内外影响因素，并对RT丙酮检测的不同材料进行了分类。此外，还介绍了用于RT丙酮检测的最新便携式/可穿戴传感设备。最后，明确讨论了RT气体传感器在持续发展过程中必须解决的挑战。

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来源期刊

Trends in Analytical Chemistry 化学-分析化学

CiteScore

20.00

自引率

4.60%

发文量

257

审稿时长

3.4 months

期刊介绍： TrAC publishes succinct and critical overviews of recent advancements in analytical chemistry, designed to assist analytical chemists and other users of analytical techniques. These reviews offer excellent, up-to-date, and timely coverage of various topics within analytical chemistry. Encompassing areas such as analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring, these critical reviews provide comprehensive insights for practitioners in the field.