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Article Dans Une Revue European Journal of Inorganic Chemistry Année : 2016

Pseudomorphic Transformation of Layered Simple Hydroxides into Prussian Blue Analogue Nanoplatelets

Résumé

The reactivity of potassium or sodium hexacyanoferrate(II) with transition-metal layered simple hydroxides (LSHs) has been investigated to evaluate the possibility of inserting Prussian Blue analogues (PBAs) into magnetic copper(II) LSHs. This report shows how such a reaction led, unexpectedly, to the direct formation of PBA nanoparticles, the layered hydroxide serving as a metal-ion reservoir. The lamellar structure of the starting LSH collapses and copper-iron PBA nanoparticles were obtained as well-defined cubic structures stacked in layers. In addition to structural and magnetic characterization, the reaction mechanism was investigated by 57Fe Mössbauer spectrometry and X-ray photoemission spectroscopy. The layered copper hydroxide acetate turns out to be a smart precursor of well-shaped PBA nanoparticle layers through pseudomorphic replication.

Domaines

Chimie

Dates et versions

hal-01495430 , version 1 (24-03-2017)

Identifiants

Citer

M. Lang, E. Delahaye, Dominique Foix, D. Ihiawakrim, O. Ersen, et al.. Pseudomorphic Transformation of Layered Simple Hydroxides into Prussian Blue Analogue Nanoplatelets. European Journal of Inorganic Chemistry, 2016, 2016 (13-14), pp.2030--2038. ⟨10.1002/ejic.201501338⟩. ⟨hal-01495430⟩
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