共价键
聚合物
纳米技术
荧光
荧光光谱法
组合化学
分子
分析物
化学
材料科学
有机化学
物理
量子力学
物理化学
作者
Tina Škorjanc,Dinesh Shetty,Matjaž Valant
出处
期刊:ACS Sensors
[American Chemical Society]
日期:2021-04-07
卷期号:6 (4): 1461-1481
被引量:202
标识
DOI:10.1021/acssensors.1c00183
摘要
Following the advancements and diversification in synthetic strategies for porous covalent materials in the literature, the materials science community started to investigate the performance of covalent organic polymers (COPs) and covalent organic frameworks (COFs) in applications that require large surface areas for interaction with other molecules, chemical stability, and insolubility. Sensorics is an area where COPs and COFs have demonstrated immense potential and achieved high levels of sensitivity and selectivity on account of their tunable structures. In this review, we focus on those covalent polymeric systems that use fluorescence spectroscopy as a method of detection. After briefly reviewing the physical basis of fluorescence-based sensors, we delve into various kinds of analytes that have been explored with COPs and COFs, namely, heavy metal ions, explosives, biological molecules, amines, pH, volatile organic compounds and solvents, iodine, enantiomers, gases, and anions. Throughout this work, we discuss the mechanisms involved in each sensing application and aim to quantify the potency of the discussed sensors by providing limits of detection and quenching constants when available. This review concludes with a summary of the surveyed literature and raises a few concerns that should be addressed in the future development of COP and COF fluorescence-based sensors.
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