CORNU, Lucile; GAUDON, Manuel; VEBER, Philippe; VILLESUZANNE, Antoine; PECHEV, Stanislav; GARCIA, Alain; JUBERA, Veronique

doi:10.1002/chem.201405784

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CORNU, Lucile
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

GAUDON, Manuel
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

VEBER, Philippe
Centre National de la Recherche Scientifique [CNRS]
Universitatea de Vest din Timișoara [România] = West University of Timișoara [Romania] = Université Ouest de Timișoara [Roumanie] [UVT]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Ce document a été publié dans

Chemistry - A European Journal. 2015, vol. 21, n° 13, p. 5242-5251

Wiley-VCH Verlag

Résumé en anglais

Ce-doped Rb2 KInF6 elpasolite has the potential for tunable luminescence due to an unusual reversible redox process between the cerium and indium cations. Coupled with a deep understanding of the luminescence properties, XRD analysis and DFT calculations are used to locate the doping elements in the host lattice. The origin explanation of the charge-transfer mechanism that causes a decrease or increase in the blue-green cerium emission in opposition to the red indium emission is discussed regarding the crystallographic structure, the connection of the metallic cations and their equilibrium valence. Still detectable after nineteen years, the optical contrast created under irradiation makes this material a good candidate as photosensor for data storage.< Réduire

DOI

http://dx.doi.org/10.1002/chem.201405784

Project ANR

Matériaux avancés pour capteurs optiques. - ANR-10-BLAN-0820

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Unités de recherche

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026