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Issue 19, 2018
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Reductive transformation of V(III) precursors into vanadium(II) oxide nanowires

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Vanadium(II) oxide nanostructures are promising materials for supercapacitors and electrocatalysis because of their excellent electrochemical properties and high surface area. In this study, new homoleptic vanadium(III) complexes with bi-dentate O,N-chelating heteroarylalkenol ligands (DmoxCH[double bond, length as m-dash]COCF3, PyCH[double bond, length as m-dash]COCF3 and PyN[double bond, length as m-dash]COCF3) were synthesized and successfully transformed by reductive conversion into VO nanowires. The chemical identity of V(III) complexes and their redox behaviour were unambiguously established by single crystal X-ray diffraction studies, cyclic voltammetry, spectrometric studies and DFT calculations. Transformation into the metastable VO phase was verified by powder X-ray diffraction and thermo-gravimetry. Transmission electron microscopy and X-ray photoelectron spectroscopy data confirmed the morphology and chemical composition of VO nanostructures, respectively.

Graphical abstract: Reductive transformation of V(iii) precursors into vanadium(ii) oxide nanowires

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Publication details

The article was received on 05 Mar 2018, accepted on 13 Apr 2018 and first published on 14 Apr 2018

Article type: Paper
DOI: 10.1039/C8DT00848E
Citation: Dalton Trans., 2018,47, 6842-6849

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    Reductive transformation of V(III) precursors into vanadium(II) oxide nanowires

    O. Ojelere, D. Graf, T. Ludwig, N. Vogt, A. Klein and S. Mathur, Dalton Trans., 2018, 47, 6842
    DOI: 10.1039/C8DT00848E

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