有害气体的室温检测:金属氧化物纳米结构化学电阻传感器的综合综述

IF 2.6 4区 材料科学 Q3 CHEMISTRY, MULTIDISCIPLINARY
Deepak S., Anilkumar P., Jasmin J., Preetha S.
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引用次数: 0

摘要

最近科学技术的进步彻底改变了人们的日常生活,带来了许多好处,但也带来了潜在的风险,特别是在环境方面。最重要的问题之一是日益严重的环境污染,这是工业化和人口扩张的副产品。有害气体和不可生物降解染料的排放正在迅速增加,危及生态系统和公众健康。所有人都谴责污染控制策略,化学传感器在检测和减轻有毒物质方面发挥着关键作用。由于其优异的灵敏度、选择性、紧凑的装置和易于制造,化学电阻传感器在实时实现中的广泛应用尤其值得注意。金属氧化物半导体(MOS),包括氧化锌(ZnO),氧化锡(SnO2)和氧化钨(WO3),由于其高灵敏度和适应性,经常用于气敏。基于mos的传感器可以通过改变晶体结构、合成方法、掺杂剂和温度等因素来提高其有效性。室温下基于MOS技术的气体传感器在环境监测、医疗诊断和工业安全等各个领域都是不可或缺的。了解影响气体传感器性能的因素,如晶粒尺寸、温度和材料形态,对于开发更高效、更有选择性和更可靠的传感器至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Room-temperature detection of harmful gases: a comprehensive review of metal oxide nanostructured chemiresistive sensors

Recent advancements in science and technology have revolutionized day-to-day life and provided numerous benefits but also posed potential risks, particularly in environmental settings. One of the most important concerns is the growing environmental pollution, a byproduct of industrialization and population extension. The release of harmful gases and non-biodegradable dyes is rapidly escalating, endangering ecosystems and public health. All condemn pollution control strategies, and chemical sensors play a pivotal role in detecting and mitigating toxic substances. The chemiresistive sensors are particularly noteworthy for their widespread use in real-time implementation due to their excellent sensitivity, selectivity, compact device, and ease of fabrication. Metal oxide semiconductors (MOS), including zinc oxide (ZnO), tin oxide (SnO2), and tungsten oxide (WO3), are frequently employed for gas sensing due to their high sensitivity and adaptability. The effectiveness of MOS-based sensors can be enhanced by altering factors like crystal structure, synthesis methods, dopants, and temperature. Gas sensors based on MOS technology at room temperature are integral in diverse sectors such as environmental monitoring, healthcare diagnostics, and industrial safety. Understanding the factors that influence gas sensor performance, such as grain size, temperature, and material morphology, is essential for developing more efficient, selective, and reliable sensors.

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来源期刊
Journal of Nanoparticle Research
Journal of Nanoparticle Research 工程技术-材料科学:综合
CiteScore
4.40
自引率
4.00%
发文量
198
审稿时长
3.9 months
期刊介绍: The objective of the Journal of Nanoparticle Research is to disseminate knowledge of the physical, chemical and biological phenomena and processes in structures that have at least one lengthscale ranging from molecular to approximately 100 nm (or submicron in some situations), and exhibit improved and novel properties that are a direct result of their small size. Nanoparticle research is a key component of nanoscience, nanoengineering and nanotechnology. The focus of the Journal is on the specific concepts, properties, phenomena, and processes related to particles, tubes, layers, macromolecules, clusters and other finite structures of the nanoscale size range. Synthesis, assembly, transport, reactivity, and stability of such structures are considered. Development of in-situ and ex-situ instrumentation for characterization of nanoparticles and their interfaces should be based on new principles for probing properties and phenomena not well understood at the nanometer scale. Modeling and simulation may include atom-based quantum mechanics; molecular dynamics; single-particle, multi-body and continuum based models; fractals; other methods suitable for modeling particle synthesis, assembling and interaction processes. Realization and application of systems, structures and devices with novel functions obtained via precursor nanoparticles is emphasized. Approaches may include gas-, liquid-, solid-, and vacuum-based processes, size reduction, chemical- and bio-self assembly. Contributions include utilization of nanoparticle systems for enhancing a phenomenon or process and particle assembling into hierarchical structures, as well as formulation and the administration of drugs. Synergistic approaches originating from different disciplines and technologies, and interaction between the research providers and users in this field, are encouraged.
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