Article Dans Une Revue Materials Chemistry and Physics Année : 2022

Synthesis of novel hybrid decavanadate material (NH4)2(H2en)2{V10O28}.4H2O: Characterization, anticorrosion and biological activities

Résumé

Using ethylenediamine (en) as a structure-directing agent, a novel hybrid decavanadate (NH 4) 2 (H 2 en) 2 {V 10 O 28 }.4H 2 O has been synthesized via a slow evaporation approach. A lowtemperature single crystal X-ray diffraction investigation was used to investigate its structural structure. Its crystal structure was studied using a low temperature single crystal X-ray diffraction analysis. The asymmetric unit is made up of a single [V 10 O 28 ] 6-monomer, one (NH 4) + , one ethylenediammonium (H 2 en) 2+ cation and two H 2 O molecules. Supramolecular interactions such as N─H···O and O─H···O hydrogen bonds build the three-dimensional network, ensuring connection between organic cations, water molecules, and the inorganic framework. The Fourier Transform Infrared result shows distinct bands associated to decavanadate moieties and organic molecules. The organic moieties, water molecules, and ammonium ions are all lost during the hybrid compound's thermal decomposition. The study of the corrosion inhibiting behavior of the decavanadate solution clearly showed a much stronger effect in acidic media than in neutral environment. However, the biological activity of (NH 4) 2 (H 2 en) 2 {V 10 O 28 }.4H 2 O revealed humble results.

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hal-04393343 , version 1 (14-01-2024)

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M. Idboumlik, M. Kadiri, N. Hamdi, M. Driouch, A.F.I. Ngopoh, et al.. Synthesis of novel hybrid decavanadate material (NH4)2(H2en)2{V10O28}.4H2O: Characterization, anticorrosion and biological activities. Materials Chemistry and Physics, 2022, 287, pp.126211. ⟨10.1016/j.matchemphys.2022.126211⟩. ⟨hal-04393343⟩
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