基于mof衍生金属氧化物的室温气体传感器:综述

IF 3 Q2 PHYSICS, CONDENSED MATTER
M. Hjiri , N. Benmansour , Fatemah M. Barakat , G. Neri
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引用次数: 0

摘要

具有高比表面积(SSA)和多孔性的电阻式气体传感器非常有利于气体检测研究,因为它提供了许多气体的锚定点和快速气体传输的扩散通道。具有结晶性、高SSA和多孔性的金属有机骨架(MOFs)可以在高温下退火制备出与相应MOFs形貌相似的金属氧化物。因此,mof衍生的金属氧化物在传感应用中具有很高的前景。在高温下工作,与爆炸性气体的检测相关的安全性更高,传感器的稳定性更长。室温(RT)操作为开发极低功耗的气体传感器提供了很好的机会,同时也避免了电子电路的复杂性。此外,在RT下可以避免传感材料颗粒的团聚,从而提高传感能力。在这里,我们描述了mof衍生的金属氧化物的RT气敏特性。mof衍生的金属氧化物可以是单相、纳米复合、掺杂和修饰态。我们相信本文可以为那些积极从事这一热点领域工作的人开辟新的途径。
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 gas sensors based on MOF-derived metal oxides: An overview
Resistive gas sensors with high specific surface area (SSA) and porous nature are highly favorable for gas detection studies thanks to providing of numerous anchoring sites for gases and also diffusion channels for fast gas transportation. Metal organic frameworks (MOFs) with crystalline nature and high SSA, and porous nature can be annealed at high temperatures to produce metal oxides with similar morphology of corresponding MOFs. Accordingly, MOF-derived metal oxides are highly promising for sensing applications. Operation at high temperatures leads higher safety related to the detection of explosive gases and longer stability of sensor. Room temperature (RT) operation provides a good opportunity to develop extremely low power consumption gas sensors and also avoid complexity of electronic circuits. Furthermore, agglomeration of sensing material particles can be avoided at RT, leading to better sensing capability. Herein, we describe RT gas sensing features of MOF-derived metal oxides. MOF-derived metal oxides may be in single phase, nanocomposite, doped, and decorated states. We believe that this paper can open new avenues for those actively work in this hot field.
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CiteScore
6.50
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