期刊
DALTON TRANSACTIONS
卷 50, 期 12, 页码 4067-4090出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt00202c
关键词
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资金
- DST-SERB [ECR/2016/000156]
- CSIR [MLP-0028]
- [PDPU/ORSP/R&D/SRP/2019-20/1361/1]
Efficient sensor materials are crucial for monitoring ecological safety, human health, industrial waste control, and food quality. MOFs, as a new class of porous crystalline materials, have attracted attention in detection of hazardous pollutants due to their outstanding structure characteristics and tunable pore environment. Luminescence detection in MOFs is desirable for its easy handling and cost effectiveness, allowing for quick naked eye detection of physicochemical attribute changes of specific analytes.
The design and synthesis of efficient sensor materials with fast-responsive and ultrasensitive detection ability is critical to monitor ecological safety, supervise human health, control industrial wastes, and govern food quality among others. Metal-organic frameworks (MOFs) or coordination polymers (CPs) are a new class of porous crystalline materials that have emerged in several potential applications in last two decades. In particular, applications of MOFs as sensory scaffolds for the detection of hazardous pollutants have attracted researchers due to their fabulous structural characteristics and wide range of pore environment tunability. Among several transducer procedures, the luminescence detection of a particular analyte is immensely desirable as it is easy to handle and cost effective, where visual changes in physicochemical attributes can be comprehended via a quick naked eye detection. The porous nature of MOFs facilitates the pre-concentration of target analytes within the pore structure and provides superior host-guest interaction with good detection limits when compared to conventional materials. To this end, guest-induced fluorescence switching in sensory MOFs with good recyclability and unique detectable fingerprints are of particular importance to benefit futuristic monitoring aptitudes and promises environmental remediation. In this review, we present the latest literature based on the analyte-responsive modulation of fluorescence intensity in MOFs towards the detection of target pollutants and discuss the underlying sensing mechanism, which can assist in developing new useful nano-scale devices and sensors.
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