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Sasaki, S., Giri, S., Cassidy, S. J., Dey, S., Batuk, M., Vandemeulebroucke, D., Cibin, G., Smith, R. I., Holdship, P., Grey, C. P., Hadermann, J. & Clarke, S. J. (2023) Anion redox as a means to derive layered manganese oxychalcogenides with exotic intergrowth structures. Nat Commun, 14 2917. 
Added by: Richard Baschera (2023-09-22 10:07:35)   Last edited by: Richard Baschera (2023-09-22 10:17:57)
Type de référence: Article
DOI: 10.1038/s41467-023-38489-3
Numéro d'identification (ISBN etc.): 2041-1723
Clé BibTeX: Sasaki2023
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Mots-clés: electronic materials, Solid-state chemistry
Créateurs: Batuk, Cassidy, Cibin, Clarke, Dey, Giri, Grey, Hadermann, Holdship, Sasaki, Smith, Vandemeulebroucke
Collection: Nat Commun
Consultations : 60/220
Indice de consultation : 9%
Indice de popularité : 2.25%
Liens URLs     https://www.nature ... s41467-023-38489-3
Topochemistry enables step-by-step conversions of solid-state materials often leading to metastable structures that retain initial structural motifs. Recent advances in this field revealed many examples where relatively bulky anionic constituents were actively involved in redox reactions during (de)intercalation processes. Such reactions are often accompanied by anion-anion bond formation, which heralds possibilities to design novel structure types disparate from known precursors, in a controlled manner. Here we present the multistep conversion of layered oxychalcogenides Sr2MnO2Cu1.5Ch2 (Ch = S, Se) into Cu-deintercalated phases where antifluorite type [Cu1.5Ch2]2.5- slabs collapsed into two-dimensional arrays of chalcogen dimers. The collapse of the chalcogenide layers on deintercalation led to various stacking types of Sr2MnO2Ch2 slabs, which formed polychalcogenide structures unattainable by conventional high-temperature syntheses. Anion-redox topochemistry is demonstrated to be of interest not only for electrochemical applications but also as a means to design complex layered architectures.
Number: 1 Publisher: Nature Publishing Group
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