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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mahon, Mary F.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Dial-a-base mechanochemical synthesis of N-heterocyclic carbene copper complexescitations
- 2023Alkali Metal Reduction of Alkali Metal Cationscitations
- 2023The Complex Reactivity of [(salen)Fe]2(μ-O) with HBpin and its Implications in Catalysiscitations
- 2022Coupling Postsynthetic High-Temperature Oxidative Thermolysis and Thermal Rearrangements in Isoreticular Zinc MOFscitations
- 2022Coupling Postsynthetic High-Temperature Oxidative Thermolysis and Thermal Rearrangements in Isoreticular Zinc MOFscitations
- 2017Deposition of SnS Thin Films from Sn(II) Thioamidate Precursorscitations
- 2016Aminopiperidine based complexes for lactide polymerisationcitations
- 2016Homoleptic zirconium amidatescitations
- 2015The synthesis and characterisation of coordination and hydrogen-bonded networks based on 4-(3,5-dimethyl-1H-pyrazol-4-yl)benzoic acidcitations
- 2011Homopiperazine and piperazine complexes of Zr(IV) and Hf(IV) and their application to the ring-opening polymerisation of lactidecitations
- 2011Salalen aluminium complexes and their exploitation for the ring opening polymerisation of rac-lactidecitations
- 2009Effects of microwave radiation on electrode position processes at tin-doped indium oxide (ITO) electrodescitations
- 2009Structural Tungsten-Imido Chemistry: The Gas-Phase Structure of W(NBut)(2)(NHBut)(2) and the Solid-State Structures of Novel Heterobimetallic W/N/M (M = Rh, Pd, Zn) Speciescitations
- 2009Novel Ti(IV) and Zr(IV) complexes and their application in the ring-opening polymerisation of cyclic esterscitations
- 2008Subtle structural variation in copper metal-organic frameworks: Syntheses, structures, magnetic properties and catalytic behaviourcitations
- 2006Incorporation of dyes into hydrogen-bond networks: The structures and properties of guanidinium sulfonate derivatives containing ethyl orange and 4-aminoazobenzene-4 '-sulfonate
- 2006Synthesis and X-ray structures of new titanium(IV) aryloxides and their exploitation for the ring opening polymerization of epsilon-caprolactonecitations
- 2005A new polymorph of terpyridine: variable temperature X-ray diffraction studies and solid state photophysical propertiescitations
- 2003exo-closo-rhodacarboranes: synthesis and characterisation of [{exo-(R3P)(2)Rh}(closo-CB11H12)][R3P = P(OMe)(3), PCy3, 1/2dppe]citations
- 2003The influence of functional group orientation on the structure of zinc 1,1,4-trimethylthiosemicarbazide dicarboxylates: Probing the limits of crystal engineering strategies
- 2003Synthesis, characterisation and optical spectroscopy of diynes and poly-ynes containing derivatised fluorenes in the backbonecitations
- 2002Structural characterisation of a series of acetylide-functionalised oligopyridines and the synthesis, characterisation and optical spectroscopy of platinum di-ynes and poly-ynes containing oligopyridyl linker groups in the backbonecitations
Places of action
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article
Homoleptic zirconium amidates
Abstract
<p>We report the development of a true single source precursor (i.e. without any need for an exogenous source of oxygen) for the growth of zirconia thin films by aerosol-assisted chemical vapour deposition (AACVD) using an original family of zirconium(iv) amidate derivatives, which are easily prepared by protonolysis of [Zr(NMe<sub>2</sub>)<sub>4</sub>] with the free amide pro-ligands. In all but one case the reactions resulted in the isolation of the corresponding homoleptic eight-coordinate zirconium(iv)tetrakis(amidato) derivatives. Three of these species along with a tris(amidato)dimethylamido zirconium(iv) derivative have been characterised by single crystal X-ray diffraction analysis. The materials potential of the homoleptic compounds was identified through the application of design criteria derived from consideration of the existing knowledge base relating to the pyrolysis of wholly organic amides. In this manner the thermal decomposition of the homoleptic derivatives benefits from facile, molecularly imposed pyrolysis pathways, which provide for the privileged generation of volatile small molecule by-products and the production of contaminant-free solid oxide material. Thermogravimetric analysis, in conjunction with NMR spectroscopic analysis of the volatile products resulting from their thermal decomposition, indicated the potential of the homoleptic species as exquisite single source precursors to ZrO<sub>2</sub> at moderate temperatures. The compound bearing both N- and C-iso-propyl substituents was, thus, applied as a true single source precursor under ambient pressure AACVD conditions. The resultant films, deposited on either SiO<sub>2</sub>-coated glass or quartz substrates, are smooth and comprise small and densely packed crystalline particulates that are shown by XRD to be primarily cubic ZrO<sub>2</sub>. Compositional analysis by X-ray photoelectron spectroscopy (XPS) revealed that the oxygen delivered, and the decomposition pathway provided, by the amidate ligand structure yields ZrO<sub>2</sub> films which, though slightly sub-stoichiometric (ZrO<sub>1.8-1.9</sub>), contain undetectable levels of carbon incorporation.</p>