Metal-Organic Framework-Based Sensors for Environmental Contaminant Sensing.
Metal-Organic Framework-Based Sensors for Environmental Contaminant Sensing.
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用于环境污染物传感的金属有机框架传感器
DOI：
10.1007/s40820-018-0218-0
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发表时间：
2018
影响因子：
26.6
通讯作者：
Mao S
中科院分区：
文献类型：
--
作者：
Fang X;Zong B;Mao S
对及时和准确的环境污染监测和控制的日益增长的需求需要具有出色性能的新传感技术，即，高灵敏度、高选择性和可靠性。金属有机骨架（MOFs），又称多孔配位聚合物，是一类由金属离子/簇和有机桥连体/配体配位而形成的高度有序的结晶配位聚合物。由于其独特的结构和性质，即，高表面积、可调整的孔径、高密度的活性位点和高催化活性，已经报道了用于环境污染物检测的各种基于MOF的传感平台，所述环境污染物包括阴离子、重金属离子、有机化合物和气体。本文介绍了基于金属氧化物薄膜的环境传感器的最新进展，重点介绍了光学、电化学和场效应晶体管传感器。该传感器在水和气体污染物传感方面表现出独特的和有前途的性能。此外，通过与其他功能材料的结合，MOF基复合材料可以大大提高传感器的性能。最后讨论了基于MOF的传感器的局限性和发展方向。
Increasing demand for timely and accurate environmental pollution monitoring and control requires new sensing techniques with outstanding performance, i.e., high sensitivity, high selectivity, and reliability. Metal–organic frameworks (MOFs), also known as porous coordination polymers, are a fascinating class of highly ordered crystalline coordination polymers formed by the coordination of metal ions/clusters and organic bridging linkers/ligands. Owing to their unique structures and properties, i.e., high surface area, tailorable pore size, high density of active sites, and high catalytic activity, various MOF-based sensing platforms have been reported for environmental contaminant detection including anions, heavy metal ions, organic compounds, and gases. In this review, recent progress in MOF-based environmental sensors is introduced with a focus on optical, electrochemical, and field-effect transistor sensors. The sensors have shown unique and promising performance in water and gas contaminant sensing. Moreover, by incorporation with other functional materials, MOF-based composites can greatly improve the sensor performance. The current limitations and future directions of MOF-based sensors are also discussed.
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