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A lanthanide–organic crystalline framework material encapsulating 1,3,6,8-tetrakis(p-benzoic acid)pyrene: selective sensing of Fe3+, Cr2O72− and colchicine and white-light emission

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Abstract

A facile strategy was used to construct a series of composite materials with color-tunable and white light emission by encapsulating 1,3,6,8-tetrakis(p-benzoic acid)pyrene (H4TBAPy) into framework material [Eu(MCTCA)1.5(H2O)2]·1.75H2O (Eu-MCTCA), which is synthesized based on Eu(NO3)3·6H2O and 5-methyl-1-(4-carboxylphenyl)-1H-1,2,3-triazole-4-carboxylic acid (H2MCTCA). A slight adjustment of the emission color can be easily fulfilled by simply altering the concentration of H4TBAPy or regulating the excitation wavelength. Notably, white light emitting Eu-MCTCA@H4TBAPy can be realized by encapsulating H4TBAPy with a concentration of 0.75 mM, when the excitation wavelength is 350 nm. Furthermore, based on the favorable luminescence and stable structure of Eu-MCTCA@H4TBAPy in water or organic solvents, Eu-MCTCA@H4TBAPy can be used as a potential luminescent probe for detecting Fe3+, Cr2O72− and colchicine.

Graphical abstract: A lanthanide–organic crystalline framework material encapsulating 1,3,6,8-tetrakis(p-benzoic acid)pyrene: selective sensing of Fe3+, Cr2O72− and colchicine and white-light emission

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Article information


Submitted
14 Oct 2019
Accepted
15 Dec 2019
First published
16 Dec 2019

New J. Chem., 2020, Advance Article
Article type
Paper

A lanthanide–organic crystalline framework material encapsulating 1,3,6,8-tetrakis(p-benzoic acid)pyrene: selective sensing of Fe3+, Cr2O72− and colchicine and white-light emission

J. X. Li, Q. L. Guan, Y. Wang, Z. X. You, Y. H. Xing, F. Y. Bai and L. X. Sun, New J. Chem., 2020, Advance Article , DOI: 10.1039/C9NJ05175A

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