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A tubular luminescent framework: precise decoding of nitroaniline isomers and quantitative detection of traces of benzaldehyde in benzyl alcohol

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Abstract

Precise identification of each isomer among a series of isomers remains a formidable challenge. Herein, a novel luminescent framework (FJI-H26) with 1.6 nm nanochannels was prepared. It was used to precisely decode o-nitroaniline, m-nitroaniline, and p-nitroaniline, because of the specific matching between the emission spectrum of FJI-H26 and the absorption spectrum of every nitroaniline isomer. Furthermore, it was used to quantitatively detect traces of benzaldehyde from benzyl alcohol injections, and its linear ranges completely conformed to the requirements of both Chinese and European Pharmacopoeias. Such decoding behavior based on discriminative matching between the emission spectrum of a chemosensor and the absorption spectra of analytes has not been reported so far, and this can prove to be a potential strategy for the development of new chemosensors for precisely decoding isomers.

Graphical abstract: A tubular luminescent framework: precise decoding of nitroaniline isomers and quantitative detection of traces of benzaldehyde in benzyl alcohol

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Supplementary files

Article information


Submitted
07 Apr 2020
Accepted
01 May 2020
First published
02 May 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

A tubular luminescent framework: precise decoding of nitroaniline isomers and quantitative detection of traces of benzaldehyde in benzyl alcohol

D. Wu, K. Zhou, J. Tian, C. Liu, F. Jiang, D. Yuan, Q. Chen and M. Hong, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/D0TC01743D

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