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

After decades of speculation without material proof, the yellow-orange luminescence of scapolite is definitely assigned to (S ) activators trapped in [Na ] square cages. Synthetic sulfur-doped scapolites confirm the implication of sulfur species in luminescence. Formally, the emission and excitation...

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Published inThe journal of physical chemistry letters Vol. 11; no. 12; pp. 4591 - 4596
Main Authors Blumentritt, Féodor, Latouche, Camille, Morizet, Yann, Caldes, Maria-Teresa, Jobic, Stéphane, Fritsch, Emmanuel
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 18.06.2020
Subjects
Color
Condensed Matter
Disulfides - chemistry
Disulfides - radiation effects
Light
Luminescence
Luminescent Agents - chemistry
Luminescent Agents - radiation effects
Materials Science
Minerals - chemistry
Minerals - radiation effects
Physics
Sodium - chemistry
Sodium - radiation effects
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Summary:After decades of speculation without material proof, the yellow-orange luminescence of scapolite is definitely assigned to (S ) activators trapped in [Na ] 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 (S ) dimers provides definitive proof that it is the cause of the yellow-orange luminescence in scapolite.
Bibliography:ObjectType-Article-1
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ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.0c00712