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Recent Advances in Structure Design and Application of Metal Halide Perovskite-Based Gas Sensor
ACS Sensors ( IF 8.2 ) Pub Date : 2024-08-26 , DOI: 10.1021/acssensors.4c01199 Kechen Zhou 1 , Lu Tang 1 , Chaoqi Zhu 1 , Jiahong Tang 1 , Huiyu Su 1 , Lingfei Luo 1 , Liyan Chen 1 , Dawen Zeng 1
ACS Sensors ( IF 8.2 ) Pub Date : 2024-08-26 , DOI: 10.1021/acssensors.4c01199 Kechen Zhou 1 , Lu Tang 1 , Chaoqi Zhu 1 , Jiahong Tang 1 , Huiyu Su 1 , Lingfei Luo 1 , Liyan Chen 1 , Dawen Zeng 1
Affiliation
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Metal halide perovskites (MHPs) are emerging gas-sensing materials and have attracted considerable attention in gas sensors due to their unique bandgap structure and tunable optoelectronic properties. The past decade has witnessed significant developments in the gas-sensing field; however, their intrinsic structural instability and ambiguous gas-sensing mechanisms hamper their practical applications. Herein, we summarize the recent advances in MHP-based gas sensors. The physicochemical properties of MHPs are discussed at first. The structure design, including dimension design and engineering design, is overviewed as well as their fabrication methods, and we put forward our insights into the gas-sensing mechanism of MHPs. It is believed that enhanced understanding of gas-sensing mechanisms of MHPs are helpful for their application as gas-sensing materials, and structure design can enhance their stability, sensing sensitivity, and selectivity to target gases as gas sensors. Subsequently, the latest developments in MHP-based gas sensors are summarized according to their different application scenarios. Finally, we conclude with the current status and challenges in this field and propose future perspectives.
中文翻译：
金属卤化物钙钛矿基气体传感器结构设计及应用最新进展
金属卤化物钙钛矿（MHP）是新兴的气敏材料，由于其独特的带隙结构和可调谐的光电特性而在气体传感器领域引起了广泛的关注。过去十年见证了气体传感领域的重大发展；然而，它们固有的结构不稳定性和模糊的气体传感机制阻碍了它们的实际应用。在此，我们总结了基于 MHP 的气体传感器的最新进展。首先讨论了 MHP 的理化性质。概述了结构设计，包括尺寸设计和工程设计及其制造方法，并对 MHP 的气敏机理提出了自己的见解。人们认为，增强对MHP气敏机制的理解有助于其作为气敏材料的应用，而结构设计可以提高其作为气体传感器的稳定性、传感灵敏度和对目标气体的选择性。随后，根据不同的应用场景，总结了基于MHP的气体传感器的最新进展。最后，我们总结了该领域的现状和挑战，并提出了未来的展望。
更新日期：2024-08-26
中文翻译：
金属卤化物钙钛矿基气体传感器结构设计及应用最新进展
金属卤化物钙钛矿（MHP）是新兴的气敏材料，由于其独特的带隙结构和可调谐的光电特性而在气体传感器领域引起了广泛的关注。过去十年见证了气体传感领域的重大发展；然而，它们固有的结构不稳定性和模糊的气体传感机制阻碍了它们的实际应用。在此，我们总结了基于 MHP 的气体传感器的最新进展。首先讨论了 MHP 的理化性质。概述了结构设计，包括尺寸设计和工程设计及其制造方法，并对 MHP 的气敏机理提出了自己的见解。人们认为，增强对MHP气敏机制的理解有助于其作为气敏材料的应用，而结构设计可以提高其作为气体传感器的稳定性、传感灵敏度和对目标气体的选择性。随后，根据不同的应用场景，总结了基于MHP的气体传感器的最新进展。最后，我们总结了该领域的现状和挑战，并提出了未来的展望。
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