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Article Dans Une Revue Journal of Physical Chemistry Letters Année : 2020

Unravelling the Origin of the Yellow-Orange Luminescence in Natural and Synthetic Scapolites

Résumé

After decades of speculation without material proof, the yellow-orange luminescence of scapolite is definitely assigned to (S2)activators trapped in [Na4] square cages. Synthetic sulfur-doped scapolites confirm the implication of sulfur species in luminescence. Formally, the emission and excitation spectra of various polysulfide species were calculated. The excellent match between theory and experiments for (S2)dimers provide definitive proofs that it is the cause of the yelloworange luminescence in scapolite.
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hal-03022208 , version 1 (24-11-2020)

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Féodor Blumentritt, Camille Latouche, Yann Morizet, Maria-Teresa Caldes, Stéphane Jobic, et al.. Unravelling the Origin of the Yellow-Orange Luminescence in Natural and Synthetic Scapolites. Journal of Physical Chemistry Letters, 2020, 11 (12), pp.4591. ⟨10.1021/acs.jpclett.0c00712⟩. ⟨hal-03022208⟩
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