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1D Metal Oxide Semiconductor Materials for Chemiresistive Gas Sensors: A Review
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2021-07-02 , DOI: 10.1002/aelm.202100271
Bingxin Yang 1 , Nosang V. Myung 1, 2 , Thien‐Toan Tran 2
Affiliation  

While numerous types of gas sensors have been developed for various industries and applications such as the automotive industry, environmental monitoring, and personal safety, nanoscale chemiresistive gas sensors have gained significant research interest due to several advantages such as high sensitivity, low power consumption, and portability. An essential component of these gas sensors is the sensing material where metal oxide semiconductor (MOS) materials are the most prevalent sensing material. Since the adoption of nanoscale synthesis methods for sensing materials development, such as electrospinning and hydrothermal synthesis, many novel 1D MOS-based nanostructured sensing materials have been demonstrated to enhance gas sensing performance. Overall, nanoengineering approaches and mechanisms for enhancement of gas sensing performance of 1D metal oxide-based sensing materials are systematically discussed and categorized into several overarching strategies, such as tuning of materials dimension, morphology, and composition. Furthermore, integration of 1D sensing nanomaterials into sensor devices are discussed from the perspective of different chemiresistive sensor architectures and device fabrication methods. Finally, this review also discusses use of 1D MOS materials for emerging and novel electronic nose applications.

中文翻译:

用于化学电阻气体传感器的一维金属氧化物半导体材料:综述

虽然已经为汽车工业、环境监测和人身安全等各个行业和应用开发了多种类型的气体传感器,但纳米级化学电阻式气体传感器由于具有高灵敏度、低功耗和可移植性。这些气体传感器的一个重要组成部分是传感材料,其中金属氧化物半导体 (MOS) 材料是最普遍的传感材料。自从采用纳米级合成方法开发传感材料以来,如静电纺丝和水热合成,许多新型的基于 1D MOS 的纳米结构传感材料已被证明可以提高气体传感性能。总体,系统地讨论了用于增强一维金属氧化物传感材料气敏性能的纳米工程方法和机制,并将其分类为几种总体策略,例如材料尺寸、形态和成分的调整。此外,从不同化学电阻传感器架构和器件制造方法的角度讨论了将一维传感纳米材料集成到传感器器件中。最后,这篇综述还讨论了 1D MOS 材料在新兴和新型电子鼻应用中的使用。从不同的化学电阻传感器架构和器件制造方法的角度讨论了将一维传感纳米材料集成到传感器器件中的问题。最后,这篇综述还讨论了 1D MOS 材料在新兴和新型电子鼻应用中的使用。从不同的化学电阻传感器架构和器件制造方法的角度讨论了将一维传感纳米材料集成到传感器器件中的问题。最后,这篇综述还讨论了 1D MOS 材料在新兴和新型电子鼻应用中的使用。
更新日期:2021-09-10
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