Virender Virender, Bakhtiyar Najafov, Krishan Kumar, Ismayil M. Garazade, Armando J. L. Pombeiro, Rakesh Kumar Gupta, M. Fátima C. Guedes da Silva, Brij Mohan
{"title":"COFs在行动：监测环境污染物中铀、汞、铅和硝基化合物的先进方法。","authors":"Virender Virender, Bakhtiyar Najafov, Krishan Kumar, Ismayil M. Garazade, Armando J. L. Pombeiro, Rakesh Kumar Gupta, M. Fátima C. Guedes da Silva, Brij Mohan","doi":"10.1007/s41061-026-00548-w","DOIUrl":null,"url":null,"abstract":"<div><p>Covalent organic frameworks (COFs) are crystalline, porous polymers with tunable architectures, high surface areas, and robust chemical stability, making them promising platforms for chemical sensing. This review surveys recent advances in luminescent COFs (LCOFs) for the selective detection of hazardous contaminants via fluorescence-based mechanisms, including photo-induced electron transfer and energy transfer. Representative studies discuss ultra-low detection limits for UO<sub>2</sub><sup>2+</sup>, Hg<sup>2+</sup>, and Pb<sup>2+</sup>, along with rapid response times, high adsorption capacities, and strong recyclability. Sensitivity and selectivity are further enhanced through functionalization strategies such as amidoxime grafting, lanthanide incorporation, and linkage engineering. Beyond actinide sensing, LCOFs have demonstrated effectiveness toward mercury, lead, nitro-aromatic explosives, and biological markers, underscoring their functional versatility. Despite these advances, key challenges persist, including scalable synthesis, structural stability in complex matrices, and integration into deployable sensing devices. 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COFs in Action: Advanced Approaches for Monitoring Uranium, Mercury, Lead, and Nitro Compounds in Environmental Contaminants
Covalent organic frameworks (COFs) are crystalline, porous polymers with tunable architectures, high surface areas, and robust chemical stability, making them promising platforms for chemical sensing. This review surveys recent advances in luminescent COFs (LCOFs) for the selective detection of hazardous contaminants via fluorescence-based mechanisms, including photo-induced electron transfer and energy transfer. Representative studies discuss ultra-low detection limits for UO22+, Hg2+, and Pb2+, along with rapid response times, high adsorption capacities, and strong recyclability. Sensitivity and selectivity are further enhanced through functionalization strategies such as amidoxime grafting, lanthanide incorporation, and linkage engineering. Beyond actinide sensing, LCOFs have demonstrated effectiveness toward mercury, lead, nitro-aromatic explosives, and biological markers, underscoring their functional versatility. Despite these advances, key challenges persist, including scalable synthesis, structural stability in complex matrices, and integration into deployable sensing devices. Future progress leveraging hybrid material systems, computation-guided design, and portable detection platforms could position LCOFs as transformative tools for environmental monitoring, nuclear safety, and public health protection.
期刊介绍：
Topics in Current Chemistry provides in-depth analyses and forward-thinking perspectives on the latest advancements in chemical research. This renowned journal encompasses various domains within chemical science and their intersections with biology, medicine, physics, and materials science.
Each collection within the journal aims to offer a comprehensive understanding, accessible to both academic and industrial readers, of emerging research in an area that captivates a broader scientific community.
In essence, Topics in Current Chemistry illuminates cutting-edge chemical research, fosters interdisciplinary collaboration, and facilitates knowledge-sharing among diverse scientific audiences.
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