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Issue 7, 2020
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A color-tunable fluorescent pillararene coordination polymer for efficient pollutant detection

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Abstract

A dicarboxylatopillar[5]arene (DCP5)-based coordination polymer, namely DCP5-EuxTby, with color-tunable emission and capable of nitroaromatic pollutant detection, has been designed and fabricated via a typical metal–ligand coordination approach. Due to its rigid skeleton and electron-rich cavity, DCP5 plays an important role in this multi-color framework, not only as a linker but also as a blue-color fluorescence donor. Intriguingly, the fluorescent color of DCP5-EuxTby can be tuned from green to red simply by mediating the molar ratio of Eu3+ : Tb3+ in the functional system. More importantly, a white-color emitting system, that is, DCP5-Eu1Tb3, is discovered when the ratio of Eu3+ : Tb3+ is 1 : 3, and the white-light emissive DCP5-Eu1Tb3 exhibits good detection performance toward nitroaromatic pollutants in a wide application field. We envision that this work will open a new avenue for the exploration of synthetic macrocycle-based new materials in the construction of new fluorescent sensors and detectors for environmental sustainability and bio-related fields.

Graphical abstract: A color-tunable fluorescent pillararene coordination polymer for efficient pollutant detection

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Supplementary files

Article information


Submitted
16 Dec 2019
Accepted
20 Jan 2020
First published
21 Jan 2020

J. Mater. Chem. A, 2020,8, 3651-3657
Article type
Paper

A color-tunable fluorescent pillararene coordination polymer for efficient pollutant detection

X. Li, Y. Li, J. Wu, X. Lou, J. Han, J. Qin and Y. Yang, J. Mater. Chem. A, 2020, 8, 3651
DOI: 10.1039/C9TA13776A

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