Issue 33, 2024

Material design and application progress of flexible chemiresistive gas sensors

Abstract

With the development of urban industry and technology, environmental issues have raised increasing concerns toward gas monitoring. Flexible, portable, and low-cost sensors for detecting gas analytes in real-time have emerged as next-generation gas analytical devices. Among them, flexible chemiresistive gas sensors stand out due to their high operability, intuitive response signal and because the conditions required are not harsh. As a result, flexible chemiresistive gas sensors are endowed with huge potential toward a wide range of applications and should be paid more attention. This review mainly covers four types of flexible chemiresistive gas sensors based on different sensing materials, including metal oxide semiconductor (MOX)-based, graphene-based, MXene-based, and polymer-based gas sensors. The definition and sensing mechanisms of gas sensing materials are first combed. Recent advances of flexible chemiresistive gas sensors are summarized to afford design strategies toward different sensing materials, and the current applications are also introduced. Finally, challenges and prospects for flexible chemiresistive gas sensors are further discussed.

Graphical abstract: Material design and application progress of flexible chemiresistive gas sensors

Article information

Article type
Review Article
Submitted
25 апр 2024
Accepted
08 юли 2024
First published
23 юли 2024

J. Mater. Chem. A, 2024,12, 21583-21604

Material design and application progress of flexible chemiresistive gas sensors

Y. Kou, L. Hua, W. Chen, X. Xu, L. Song, S. Yu and Z. Lu, J. Mater. Chem. A, 2024, 12, 21583 DOI: 10.1039/D4TA02855D

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