Universität zu Köln

Ojelere, Olusola ORCID: 0000-0002-3112-1257, Graf, David ORCID: 0000-0002-0504-8527, Ludwig, Tim ORCID: 0000-0002-3633-805X, Vogt, Nicholas, Klein, Axel ORCID: 0000-0003-0093-9619 and Mathur, Sanjay (2018). Reductive transformation of V(III) precursors into vanadium(II) oxide nanowires. Dalton Trans., 47 (19). S. 6842 - 6850. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1477-9234

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Abstract

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=COCF3, PyCH=COCF3 and PyN=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.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Ojelere, Olusola UNSPECIFIED orcid.org/0000-0002-3112-1257 UNSPECIFIED Graf, David UNSPECIFIED orcid.org/0000-0002-0504-8527 UNSPECIFIED Ludwig, Tim UNSPECIFIED orcid.org/0000-0002-3633-805X UNSPECIFIED Vogt, Nicholas UNSPECIFIED UNSPECIFIED UNSPECIFIED Klein, Axel UNSPECIFIED orcid.org/0000-0003-0093-9619 UNSPECIFIED Mathur, Sanjay UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-186055
DOI:	10.1039/c8dt00848e
Journal or Publication Title:	Dalton Trans.
Volume:	47
Number:	19
Page Range:	S. 6842 - 6850
Date:	2018
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	1477-9234
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Inorganic Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language GAUSSIAN-BASIS SETS; FACILE SYNTHESIS; ATOMS LI; TRANSITION; ENERGY; VO2 Multiple languages Chemistry, Inorganic & Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/18605