Lanthanide-centered luminescence evolution and potential anti-counterfeiting application of Tb3+/Eu3+ grafted melamine cyanurate hydrogen-bonded triazine frameworks

Chaoqing Yang; Anna M. Kaczmarek; Karel Folens; Gijs Du Laing; Henk Vrielinck; Samira Khelifi; Kai Li; Rik Van Deun

doi:10.1039/C8QM00586A

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Lanthanide-centered luminescence evolution and potential anti-counterfeiting application of Tb³⁺/Eu³⁺ grafted melamine cyanurate hydrogen-bonded triazine frameworks†

Chaoqing Yang,^a Anna M. Kaczmarek,

*^a Karel Folens,

^b Gijs Du Laing,^b Henk Vrielinck,

^c Samira Khelifi,^c Kai Li*^a and Rik Van Deun

*^a

Author affiliations

* Corresponding authors

^a 1 L3 – Luminescent Lanthanide Lab, Department of Chemistry, Ghent University, Krijgslaan 281-S3, B-9000 Ghent, Belgium
E-mail: anna.kaczmarek@ugent.be, kai.li@ugent.be, rik.vandeun@ugent.be

^b Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium

^c Department of Solid State Sciences, Ghent University, Krijgslaan 281-S1, 9000 Ghent, Belgium

Abstract

A novel type of Tb³⁺/Eu³⁺ grafted melamine cyanurate hydrogen-bonded triazine framework phosphor (MCA:Ln) has been successfully obtained through an improved co-precipitation route. The actual percentage of Ln³⁺ ions is less than 1%. The obtained MCA:Ln phosphors show high thermo-stability (330 °C under air) and bright lanthanide (Ln)-centered photoluminescence. The Ln-centered luminescence evolution of MCA:Ln was systematically investigated by steady state excitation and emission spectra, fluorescence decay measurements, TG, XRD, and FT-Raman technology. Moreover, polyvinyl alcohol (PVA)–MCA:Ln mixtures demonstrated the potential to be used as colorful emission inks in the field of anti-counterfeiting.

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Article information

DOI: https://doi.org/10.1039/C8QM00586A
Article type: Research Article
Submitted: 15 Nov 2018
Accepted: 16 Dec 2018
First published: 18 Dec 2018

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Mater. Chem. Front., 2019,3, 579-586

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Lanthanide-centered luminescence evolution and potential anti-counterfeiting application of Tb³⁺/Eu³⁺ grafted melamine cyanurate hydrogen-bonded triazine frameworks

C. Yang, A. M. Kaczmarek, K. Folens, G. Du Laing, H. Vrielinck, S. Khelifi, K. Li and R. Van Deun, Mater. Chem. Front., 2019, 3, 579 DOI: 10.1039/C8QM00586A

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