Two highly photoluminescent Eu3+ β-diketonates complexes with ε-caprolactam as ancillary ligands: From synthesis to the first example as gunshot residue markers

Gomes, Emmanuel M.; Silva, Julia P. De Oliveira; Colaço, Marcos V.; Cuin, Alexandre; Franco, Douglas F.; Scarpari, Sérgio L.; Souza, Danilo Oliveira de; Ferreira, Mônica S.; Freire, Ricardo O.; Marques, Lippy F.

doi:10.1016/j.optmat.2023.113527

Optical Materials

2023

DOI: 10.1016/j.optmat.2023.113527

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Two highly photoluminescent Eu3+ β-diketonates complexes with ε-caprolactam as ancillary ligands: From synthesis to the first example as gunshot residue markers

Emmanuel M. Gomes

Julia P. De Oliveira Silva

Marcos V. Colaço

et al.

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2024

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Cited by 4 publications

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Luminescent Supramolecular Metallogels: Drug Loading and Eu(III) as Structural Probe

Freire,

Coelho,

Maciel

et al. 2024

Chemistry A European J

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Supramolecular metallogels combine the rheological properties of gels with the color, magnetism, and other properties of metal ions. Lanthanide ions such as Eu(III) can be valuable components of metallogels due to their fascinating luminescence. In this work, we combine Eu(III) and iminodiacetic acid (IDA) into luminescent hydrogels. We investigate the tailoring of the rheological properties of these gels by changes in their metal:ligand ratio. Further, we use the highly sensitive Eu(III) luminescence to obtain information about the chemical structure of the materials. In special, we take advantage of computational calculations to employ an indirect method for structural elucidation, in which the simulated luminescent properties of candidate structures are matched to the experimental data. With this strategy, we can propose molecular structures for different EuIDA gels. We also explore the usage of these gels for the loading of bioactive molecules such as OXA, observing that its aldose reductase activity remains present in the gel. We envision that the findings from this work could inspire the development of luminescent hydrogels with tunable rheology for applications such as 3D printing and imaging‐guided drug delivery platforms. Finally, Eu(III) emission‐based structural elucidation could be a powerful tool in the characterization of advanced materials.

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Luminescent Supramolecular Metallogels: Drug Loading and Eu(III) as Structural Probe

Freire,

Coelho,

Maciel

et al. 2024

Chemistry A European J

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Photophysical properties of tris(benzoyltrifluoroacetonate)Eu(III) with pyrazole complex and its precursor

Ali,

Hasan,

Ahmad Bhat

et al. 2024

Inorganica Chimica Acta

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Syntheses, crystal structures, luminescence properties and Hirshfeld surface analyses of two mononuclear 2,2′:6′,2′’-terpyridine lanthanide complexes with different β-diketones

Xian,

Sun,

et al. 2024

Inorganica Chimica Acta

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Two highly photoluminescent Eu3+ β-diketonates complexes with ε-caprolactam as ancillary ligands: From synthesis to the first example as gunshot residue markers

Cited by 4 publications

References 46 publications

Luminescent Supramolecular Metallogels: Drug Loading and Eu(III) as Structural Probe

Luminescent Supramolecular Metallogels: Drug Loading and Eu(III) as Structural Probe

Photophysical properties of tris(benzoyltrifluoroacetonate)Eu(III) with pyrazole complex and its precursor

Syntheses, crystal structures, luminescence properties and Hirshfeld surface analyses of two mononuclear 2,2′:6′,2′’-terpyridine lanthanide complexes with different β-diketones

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