SnS2气敏材料研究进展

摘要/Abstract

摘要： 气体传感器能够有效检测浓度低于人类嗅觉极限的有毒有害及易燃易爆等气体,在军事国防、环境安全、医疗诊断等领域具有重大的研究意义。其中电阻式气体传感器因其成本低廉,普遍适用于民用气体检测而受到广泛应用。气敏材料是气体传感器的核心,设计合成合适的气敏材料对发展高性能气体传感器至关重要。本文在简单介绍气体传感器、电阻式气体传感器以及电阻式气体传感器常用的几种传感材料的基础上,聚焦于n型半导体SnS₂气敏材料,归纳了该材料的结构与性质,重点阐述了提升SnS₂气敏材料传感性能的方法,包括空位工程、热激活工程、光激活工程和异质结工程,并对SnS₂气敏材料的研究趋势进行了展望。

关键词: 电阻式气体传感器, 气敏材料, 过渡金属硫化物, n型半导体, SnS₂

Abstract: Gas sensors can effectively detect toxic, harmful, flammable and explosive gases with concentrations below the human olfactory limit, and have great research significance in the fields of military defense, environmental safety, medical diagnosis and so on. Among them, resistance gas sensor is widely used because of its low cost and universal suitability for civil gas detection. Gas sensing material is the core of gas sensor, and it is very important to design and synthesize suitable gas sensing material for developing high performance gas sensor.Based on the brief introduction of gas sensor, resistive gas sensor, and several traditional gas sensing materials of resistive gas sensor, this review focuses on the SnS₂ gas sensing materials, a class of n-type semiconductors. The structure, properties, research status and limitations of SnS₂ gas sensing materials are summarized. Several important methods to improve the performance of SnS₂ gas sensing materials and SnS₂-based gas sensors are summarized, including vacancy engineering, thermal activation engineering, photoactivation engineering and heterojunction engineering. The research trend of SnS₂-based gas sensors is prospected.

Key words: resistive gas sensor, gas sensing material, transition metal sulfide, n-type semiconductor, SnS₂

中图分类号:

TB34
TP212

黎少君, 姚悦, 陈俊明. SnS₂气敏材料研究进展[J]. 人工晶体学报, 2023, 52(4): 701-709.

LI Shaojun, YAO Yue, CHEN Junming. Research Progress of SnS₂-Based Gas Sensing Materials[J]. Journal of Synthetic Crystals, 2023, 52(4): 701-709.

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SnS₂气敏材料研究进展

Research Progress of SnS₂-Based Gas Sensing Materials

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