Manzi, JA;
Knapp, CE;
Parkin, IP;
Carmalt, CJ;
(2015)
Aerosol-Assisted Chemical-Vapour Deposition of Zinc Oxide from Single-Source beta-Iminoesterate Precursors.
European Journal of Inorganic Chemistry
, 2015
(22)
pp. 3658-3665.
10.1002/ejic.201500416.
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Abstract
Single-source zinc β-iminoesterate precursors have been used for the first time in the aerosol-assisted chemical-vapour deposition (AACVD) of ZnO thin films. Depositions at 450 °C on silica-coated glass substrates produced strongly adherent films with excellent coverage of the substrate. The zinc β-iminoesterates [Zn(L1)2] (1) and [Zn(L2)2] (2) were synthesised by the reaction between ZnEt2 and 2 equiv. of a synthesised β-iminoester ligand CH3C[NHCH(CH3)2]CHC(O)OCH2CH3 (L1) and CH3C(NHCH3)CHC(O)OCH2CH3 (L2). The synthesised complexes were isolated and characterised by 1H and 13C NMR spectroscopy, mass spectrometry and thermal gravitational analysis (TGA). The structures of the compounds were determined by single-crystal X-ray diffraction. The ZnO films deposited from 1 and 2 were analyzed by glancing-angle X-ray powder diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and their optical properties determined by UV/Vis/NIR transmission spectroscopy. These results reveal that the organic ligand attached to the N moiety of the zinc complex has a significant effect on the level of carbon incorporated into the deposited thin film. Upon annealing, highly transparent hexagonal wurtzite ZnO thin films were produced.
| Type: | Article |
|---|---|
| Title: | Aerosol-Assisted Chemical-Vapour Deposition of Zinc Oxide from Single-Source beta-Iminoesterate Precursors |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/ejic.201500416 |
| Publisher version: | https://dx.doi.org/10.1002/ejic.201500416 |
| Language: | English |
| Additional information: | This is the peer reviewed version of the following article: Manzi, J. A., Knapp, C. E., Parkin, I. P. and Carmalt, C. J. (2015), Aerosol-Assisted Chemical-Vapour Deposition of Zinc Oxide from Single-Source β-Iminoesterate Precursors. Eur. J. Inorg. Chem., 2015: 3658–3665, which has been published in final form at doi: 10.1002/ejic.201500416. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. |
| Keywords: | Zinc oxide, Thin films, Chemical vapor deposition, Single-source precursors, N, O ligands, Precursor development |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1474063 |
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