Abstract

As high crystallinity, high porosity, large surface area, biocompatibility and well-defined structural organic polymeric material, covalent organic frameworks (COFs) have gained significant success and become indispensable part of the field of material chemistry. The features of COFs enable them as potential candidates for wide range applications in various fields over the last few years. In this mini-review, we have discussed the recent development in the sensing-based applications of COFs, especially those which were not discussed in detail before, such as physico-sensing (humidity sensor, fluorescent sensor, photoelectrochemical sensor, thermal sensor), chemico-sensing (chemical sensor, environmental sensor, gas sensor, food safety analysis) and bio-sensing (pesticide sensor, sulfadiazine sensing in fish muscle) after brief elaboration of general synthetic routes and physico-chemical properties responsible for sensing properties of COFs. Moreover, future perspectives and conclusion sections with respect to COFs for further extrapolation of the research field to get closer to real applications are also discussed.

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