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A chemical redox reaction to generate rock salt- type materials the case of Na3V2O5

Abstract : Chemical redox reactions are extremely efficient to prepare fully reduced or oxidized phases that are formed during the topotactic insertion/extraction of alkaline ions. Herein, we report these reactions and discuss the possibility to generate new ordered or disordered rock salt-type structures depending on the structure of the mother phase. We have shown that a disordered rock salt-type structure is formed when the transition element is located at the tetrahedral site, as exemplified by the formation of Na3V2O5 upon chemical reduction of V2O5.
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Submitted on : Friday, July 5, 2019 - 9:54:02 AM
Last modification on : Saturday, June 25, 2022 - 9:53:36 AM

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E. Adamczyk, E. Anger, M. Freire, Valérie Pralong. A chemical redox reaction to generate rock salt- type materials the case of Na3V2O5. Dalton Transactions, 2018, 47 (9), pp.3112-3118. ⟨10.1039/c7dt04377e⟩. ⟨hal-02174420⟩

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