SnO2 nanostructured materials used as gas sensors for the detection of hazardous and flammable gases: A review

IF 9.9 2区 材料科学 Q1 Engineering
Yulin Kong , Yuxiu Li , Xiuxiu Cui , Linfeng Su , Dian Ma , Tingrun Lai , Lijia Yao , Xuechun Xiao , Yude Wang
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引用次数: 40

Abstract

SnO2 has been extensively used in the detection of various gases. As a gas sensing material, SnO2 has excellent physical-chemical properties, high reliability, and short adsorption-desorption time. The application of the traditional SnO2 gas sensor is limited due to its higher work-temperature, low gas response, and poor selectivity. Nanomaterials can significantly impact gas-sensitive properties due to the quantum size, surface, and small size effects of nanomaterials. By applying nanotechnology to the preparation of SnO2, the SnO2 nanomaterial-based sensors could show better performance, which greatly expands the application of SnO2 gas sensors. In this review, the preparation method of the SnO2 nanostructure, the types of gas detected, and the improvements of SnO2 gas-sensing performances via elemental modification are introduced as well as the future development of SnO2 is discussed.

用于检测有害气体和可燃气体的SnO2纳米结构材料气体传感器:综述
SnO2已广泛用于各种气体的检测。SnO2作为一种气敏材料,具有优异的物理化学性能、高可靠性和较短的吸附-解吸时间。传统的SnO2气体传感器工作温度高、气体响应低、选择性差,限制了其应用。由于纳米材料的量子尺寸、表面和小尺寸效应,纳米材料可以显著影响气敏性能。将纳米技术应用于SnO2的制备,可以使SnO2纳米材料传感器表现出更好的性能,极大地拓展了SnO2气体传感器的应用领域。本文介绍了SnO2纳米结构的制备方法、检测到的气体类型以及元素改性对SnO2气敏性能的改善,并对SnO2的未来发展进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Nano Materials Science
Nano Materials Science Engineering-Mechanics of Materials
CiteScore
20.90
自引率
3.00%
发文量
294
审稿时长
9 weeks
期刊介绍: Nano Materials Science (NMS) is an international and interdisciplinary, open access, scholarly journal. NMS publishes peer-reviewed original articles and reviews on nanoscale material science and nanometer devices, with topics encompassing preparation and processing; high-throughput characterization; material performance evaluation and application of material characteristics such as the microstructure and properties of one-dimensional, two-dimensional, and three-dimensional nanostructured and nanofunctional materials; design, preparation, and processing techniques; and performance evaluation technology and nanometer device applications.
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