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Issue 4, 2019
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Lanthanide-centered luminescence evolution and potential anti-counterfeiting application of Tb3+/Eu3+ grafted melamine cyanurate hydrogen-bonded triazine frameworks

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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.

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

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Article information


Submitted
15 Nov 2018
Accepted
16 Dec 2018
First published
18 Dec 2018

Mater. Chem. Front., 2019,3, 579-586
Article type
Research Article

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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