Bimetal-decorated resistive gas sensors: a review

IF 5.1 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Ka Yoon Shin, Yujin Kim, Ali Mirzaei, Hyoun Woo Kim and Sang Sub Kim
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引用次数: 0

Abstract

Various noble metals such as Au, Ag, Pd, Pt, Ru, and Rh are used for decorating resistive gas sensors because of their high catalytic activity and electronic effects, which boost the overall sensing characteristics of resistive sensors. However, bimetallic decorations such as AuPt, AuPd, PtPd, and AuAg are often preferred to boost the sensing capabilities because bimetallic combinations exert synergistic effects that enhance the catalytic features compared with that of their single-metal-decorated counterparts. In this review, we discuss the roles of different bimetallic couples in the sensing capacity of resistive sensors with specific emphasis on the underlying sensing mechanism. We believe that this review will be highly beneficial for researchers working in the field of gas sensors.

Abstract Image

双金属装饰电阻式气体传感器综述
各种贵金属,如Au、Ag、Pd、Pt、Ru和Rh,因其高催化活性和电子效应而被用于装饰电阻式气体传感器,从而提高了电阻式传感器的整体传感特性。然而,双金属装饰,如AuPt、AuPd、PtPd和AuAg,通常更倾向于提高传感能力,因为双金属组合与单金属修饰的组合相比,可以发挥协同效应,增强催化特性。在这篇综述中,我们讨论了不同的双金属偶在电阻传感器的传感能力中的作用,并特别强调了潜在的传感机制。我们相信这篇综述将对气体传感器领域的研究人员有很大的帮助。
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来源期刊
Journal of Materials Chemistry C
Journal of Materials Chemistry C MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
10.80
自引率
6.20%
发文量
1468
期刊介绍: The Journal of Materials Chemistry is divided into three distinct sections, A, B, and C, each catering to specific applications of the materials under study: Journal of Materials Chemistry A focuses primarily on materials intended for applications in energy and sustainability. Journal of Materials Chemistry B specializes in materials designed for applications in biology and medicine. Journal of Materials Chemistry C is dedicated to materials suitable for applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry C are listed below. This list is neither exhaustive nor exclusive. Bioelectronics Conductors Detectors Dielectrics Displays Ferroelectrics Lasers LEDs Lighting Liquid crystals Memory Metamaterials Multiferroics Photonics Photovoltaics Semiconductors Sensors Single molecule conductors Spintronics Superconductors Thermoelectrics Topological insulators Transistors
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