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http://hdl.handle.net/2183/28553 Bifunctional Paramagnetic and Luminescent Clays Obtained by Incorporation of Gd³⁺ and Eu³⁺ Ions in the Saponite Framework
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Marchesi, Stefano
Bisio, Chiara
Lalli, Daniela
Marchese, Leonardo
Carniato, Fabio
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Marchesi, S.; Bisio, C.; Lalli, D.; Marchese, L.; Platas-Iglesias, C.; Carniato, F. Bifunctional Paramagnetic and Luminescent Clays Obtained by Incorporation of Gd³⁺and Eu³⁺ Ions in the Saponite Framework. Inorg. Chem. 2021, 60 (14), 10749–10756. https://doi.org/10.1021/acs.inorgchem.1c01455
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Abstract
[Abstract] A novel bifunctional saponite clay incorporating gadolinium (Gd³⁺) and europium (Eu³⁺) in the inorganic framework was prepared by one-pot hydrothermal synthesis. The material exhibited interesting luminescent and paramagnetic features derived from the co-presence of the lanthanide ions in equivalent structural positions. Relaxometry and photoluminescence spectroscopy shed light on the chemical environment surrounding the metal sites, the emission properties of Eu³⁺, and the dynamics of interactions between Gd³⁺ and the inner-sphere water placed in the saponite gallery. The optical and paramagnetic properties of this solid make it an attractive nanoplatform for bimodal diagnostic applications.
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The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.inorgchem.1c01455.
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Atribución 4.0 Internacional (CC BY 4.0)
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Except where otherwise noted, this item's license is described as Atribución 4.0 Internacional (CC BY 4.0)