Eu3+ doped ZnAl layered double hydroxides as calibrationless, fluorescent sensors for carbonate

Alysson F. Morais; Ivan G. N. Silva; Bruno J. Ferreira; Alexandre C. Teixeira; Sreeprasanth P. Sree; Huayna Terraschke; Fernando A. Garcia; Eric Breynaert; Danilo Mustafa

doi:10.1039/D3CC03066K

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Eu³⁺ doped ZnAl layered double hydroxides as calibrationless, fluorescent sensors for carbonate†

Alysson F. Morais,

*^abe Ivan G. N. Silva,

^a Bruno J. Ferreira,^a Alexandre C. Teixeira,^a Sreeprasanth P. Sree,

^bc Huayna Terraschke,

^d Fernando A. Garcia,

^a Eric Breynaert

^be and Danilo Mustafa

*^a

Author affiliations

* Corresponding authors

^a Instituto de Física da Universidade de São Paulo, 05508-090 – São Paulo, SP, Brazil
E-mail: dmustafa@if.usp.br

^b Center for Surface Chemistry and Catalysis, Leuven, KU Leuven, Belgium
E-mail: alysson.morais@kuleuven.be

^c Department of Materials Engineering, Leuven, KU Leuven, Belgium

^d Institut für Anorganische Chemie, CAU Kiel, Kiel, Germany

^e NMR/X-Ray platform for Convergence Research (NMRCoRe), Leuven, KU Leuven, Belgium

Abstract

The photoluminescence properties (PL) of Eu³⁺ hosted in the hydroxide layers of layered double hydroxides (LDHs) enables calibrationless quantification of anions in the interlayers. The concept is demonstrated during the nitrate-to-carbonate ion exchange in Zn²⁺/Al³⁺/Eu³⁺ LDHs and can be implemented as a remote optical sensor to detect intrusion of anions such as Cl⁻ or CO₃²⁻.

This article is part of the themed collection: 2023 Pioneering Investigators

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Article information

DOI: https://doi.org/10.1039/D3CC03066K
Article type: Communication
Submitted: 26 Jun 2023
Accepted: 16 Oct 2023
First published: 30 Oct 2023
This article is Open Access

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Chem. Commun., 2023,59, 13571-13574

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Eu³⁺ doped ZnAl layered double hydroxides as calibrationless, fluorescent sensors for carbonate

A. F. Morais, I. G. N. Silva, B. J. Ferreira, A. C. Teixeira, S. P. Sree, H. Terraschke, F. A. Garcia, E. Breynaert and D. Mustafa, Chem. Commun., 2023, 59, 13571 DOI: 10.1039/D3CC03066K

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