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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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Publication details

The article was received on 15 Nov 2018, accepted on 16 Dec 2018 and first published on 18 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QM00586A
Citation: Mater. Chem. Front., 2019, Advance Article

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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, Advance Article , DOI: 10.1039/C8QM00586A

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