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Aggregation-Induced Emission of a Two-Dimensional Covalent Organic Framework for Molecular Recognition in Quantitative Metrics by Peng Jin; Chenglong Guo; Jiahao Li; Dejun Zhou; Guodong Xu; Yongwu Peng is a scholarly article available to read on EtoBox.

What is Aggregation-Induced Emission of a Two-Dimensional Covalent Organic Framework for Molecular Recognition in Quantitative Metrics about?

Fluorescent porous materials have been intensively examined owing to their versatile applications in molecular recognition and chemical sensing. Although many studies on luminescent two-dimensional (2D) covalent organic frameworks (COFs) for chemical sensing applications have been reported, precise linear control of the aggregation-induced luminescence effects in 2D COFs has been rarely achieved. Hereby, a highly crystalline 2D COF material bearing a tetraphenylethylene (TPE) molecule as a molecular rotor with a responsive fluorescence behavior is reported. Due to the varying extent of motion regulation of the TPE rotor with different volatile organic compounds (VOCs), the as-obtained fluorescent 2D COFs exhibit excellent sensitivity and selectivity in the qualitative and quantitative analysis of volatile organic compounds (VOCs). Notably, the fluorescence intensity derived from the aggregation-induced emission (AIE) is in a linear relationship with VOCs across a wide concentration range (0−3.0 × 10 3 mM), indicating their potential as effective VOC detectors.

Author

Peng Jin; Chenglong Guo; Jiahao Li; Dejun Zhou; Guodong Xu; Yongwu Peng

Publisher

American Chemical Society (ACS)

Published

2023

Language

EN