Two-dimensional metal-organic framework nanoleaf embedded with nitrogen-doped carbon dots for monitoring of picric acid

Ahmed, Heba M.; Elmorsy, Esraa S.; Torad, Nagy L.; Abu Haija, Mohammad; Ayad, Mohamad M.

doi:10.1016/j.microc.2024.111616

Microchemical Journal

2024

DOI: 10.1016/j.microc.2024.111616

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Two-dimensional metal-organic framework nanoleaf embedded with nitrogen-doped carbon dots for monitoring of picric acid

Heba M. Ahmed,

Esraa S. Elmorsy,

Nagy L. Torad

et al.

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Cited by 2 publications

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A Fluorescent Covalent Organic Cage for Ultrafast Detection of Picric Acid and HCl Vapor Sensing

Mahto,

Barik,

Sarkar

et al. 2024

Chemistry An Asian Journal

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Covalent organic cages (COCs) have recently gained massive attention owing to their solution processability and structural flexibility. Herein, we report an amine‐linked fluorescent COC (COC2) synthesized by adopting dynamic covalent imine chemistry followed by imine bond reduction and characterized with different spectroscopic techniques. The COC2 was utilized for highly sensitive and selective detection of picric acid at the nanomolar level. The fluorescence quenching efficiency of PA towards the COC2 is 98.6%, with a detection limit of 2.7 nM. PA sensing with the COC2, coated on a TLC plate and paper strip, exhibited an outstanding fluorescence quenching property. Furthermore, the COC2 unveiled solid‐state acidochromism upon exposure to HCl acid fumes and was transferred back to the original form on exposure to NH3 vapours.

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A Fluorescent Covalent Organic Cage for Ultrafast Detection of Picric Acid and HCl Vapor Sensing

Mahto,

Barik,

Sarkar

et al. 2024

Chemistry An Asian Journal

View full text Add to dashboard Cite

show abstract

Machine learning and genetic algorithm prediction of high quantum yield carbon quantum dots for chemical analysis

Kannouma,

Gab Allah,

Kamal

et al. 2025

Microchemical Journal

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Two-dimensional metal-organic framework nanoleaf embedded with nitrogen-doped carbon dots for monitoring of picric acid

Cited by 2 publications

References 64 publications

A Fluorescent Covalent Organic Cage for Ultrafast Detection of Picric Acid and HCl Vapor Sensing

A Fluorescent Covalent Organic Cage for Ultrafast Detection of Picric Acid and HCl Vapor Sensing

Machine learning and genetic algorithm prediction of high quantum yield carbon quantum dots for chemical analysis

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