Issue 45, 2022

Metal–organic frameworks (MOFs) as fluorescence sensors: principles, development and prospects

Abstract

MOFs are self-assembled by inorganic metals and organic ligands, which have the advantages of inorganic and organic materials. With their porosity, chemical tunability and moderate-to-high stability, MOFs have become excellent candidates for fluorescent sensors. The accuracy, sensitivity, selectivity and linear range of the MOF-based fluorescence sensor can be further improved by introducing other fluorescent molecules into the MOFs. MOF-based fluorescence sensors can be widely used in water and air pollution detection, early diagnosis and treatment of diseases and other fields. This review focuses on the principles of MOF-based fluorescence sensors, including the origin of the fluorescence signal, response mode and mechanism. The latest developments in MOF-based fluorescence sensors are reported according to the classification of the analytes. The challenges faced by MOF-based fluorescence sensors are also discussed and some solutions and directions for the future are proposed.

Graphical abstract: Metal–organic frameworks (MOFs) as fluorescence sensors: principles, development and prospects

Article information

Article type
Highlight
Submitted
24 aug 2022
Accepted
17 okt 2022
First published
18 okt 2022

CrystEngComm, 2022,24, 7881-7901

Metal–organic frameworks (MOFs) as fluorescence sensors: principles, development and prospects

T. Wu, X. Gao, F. Ge and H. Zheng, CrystEngComm, 2022, 24, 7881 DOI: 10.1039/D2CE01159J

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