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Al-, Ga-, and In-doped ZnO thin films via aerosol assisted CVD for use as transparent conducting oxides

Potter, DB; Bhachu, DS; Powell, MJ; Darr, JA; Parkin, IP; Carmalt, CJ; (2016) Al-, Ga-, and In-doped ZnO thin films via aerosol assisted CVD for use as transparent conducting oxides. physica status solidi (a) , 213 (5) pp. 1346-1352. 10.1002/pssa.201532996. Green open access

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Abstract

Al-, Ga-, and In-doped ZnO thin films were deposited on glass substrates by aerosol assisted chemical vapour deposition (AACVD) at a deposition temperature of 450 °C. The air-stable compound zinc acetylacetonate [Zn(acac)2] was used as a Zn source, whilst for the dopants of Al, Ga and In, the corresponding trichloride was used. Methanol solutions of the metal salts were used as precursor solutions and N2 carrier gas was used for the aerosol. Films were grown in approximately 30 min and were synthesised using dopant values of 5, 10, 15 and 20 mol.% (with respect to the Zn) in the precursor solution. XRD analysis showed that the films were wurtzite ZnO. XPS analysis confirmed the presence of the dopants in the films. Several of the films showed high transparency (>80%) in the visible range, and low resistivity (∼10−3 Ω cm).

Type: Article
Title: Al-, Ga-, and In-doped ZnO thin films via aerosol assisted CVD for use as transparent conducting oxides
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/pssa.201532996
Publisher version: http://dx.doi.org/10.1002/pssa.201532996
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: erosol assisted;chemical vapor deposition;doping;transparent conducting oxides;zinc oxide
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/1474501
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