Ughade Yash, Mehta Shubham, Patel Gautam, Gowda Roopa, Joshi Nirav, Patel Rohan
Chemistry Department, Parul Institute of Applied Sciences, Parul University, Vadodara 391760, India.
Wyant College of Optical Sciences, University of Arizona, Tucson, AZ 85721, USA.
Micromachines (Basel). 2025 Apr 14;16(4):466. doi: 10.3390/mi16040466.
The demand for reliable and cost-effective CO gas sensors is escalating due to their extensive applications in various sectors such as food packaging, indoor air quality assessment, and real-time monitoring of anthropogenic CO emissions to mitigate global warming. Nanostructured materials exhibit exceptional properties, including small grain size, controlled morphology, and heterojunction effects, rendering them promising candidates for chemiresistive CO gas sensors. This review article provides an overview of recent advancements in chemiresistive CO gas sensors based on nanostructured semiconducting materials. Specifically, it discusses single oxide structures, metal-decorated oxide nanostructures, and heterostructures, elucidating the correlations between these nanostructures and their CO sensing properties. Additionally, it addresses the challenges and future prospects of chemiresistive CO gas sensors, aiming to provide insights into the ongoing developments in this field.
由于可靠且经济高效的一氧化碳（CO）气体传感器在食品包装、室内空气质量评估以及人为CO排放的实时监测等各个领域有着广泛应用，以减轻全球变暖，因此对其需求不断升级。纳米结构材料具有优异的性能，包括小晶粒尺寸、可控的形态和异质结效应，使其成为用于化学电阻式CO气体传感器的有前途的候选材料。这篇综述文章概述了基于纳米结构半导体材料的化学电阻式CO气体传感器的最新进展。具体而言，它讨论了单一氧化物结构、金属修饰的氧化物纳米结构和异质结构，阐明了这些纳米结构与其CO传感性能之间的相关性。此外，它还探讨了化学电阻式CO气体传感器面临的挑战和未来前景，旨在为该领域的持续发展提供见解。
