Solution processed ZnO homogeneous quasisuperlattice materials

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dc.contributor.author Buckley, Darragh
dc.contributor.author McNulty, David
dc.contributor.author Zubialevich, Vitaly Z.
dc.contributor.author Parbrook, Peter J.
dc.contributor.author O'Dwyer, Colm
dc.date.accessioned 2018-01-08T15:14:32Z
dc.date.available 2018-01-08T15:14:32Z
dc.date.issued 2017-11
dc.identifier.citation Buckley, D., McNulty, D., Zubialevich, V., Parbrook, P. and O'Dwyer, C. (2017) 'Solution processed ZnO homogeneous quasisuperlattice materials', Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 35(6), 061517 (11pp). doi: 10.1116/1.5001758 en
dc.identifier.volume 35 en
dc.identifier.startpage 061517-1 en
dc.identifier.endpage 061517-11 en
dc.identifier.issn 0734-2101
dc.identifier.uri http://hdl.handle.net/10468/5242
dc.identifier.doi 10.1116/1.5001758
dc.description.abstract Heterogeneous multilayered oxide channel materials have enabled low temperature, high mobility thin film transistor technology by solution processing. The authors report the growth and characterization of solution-based, highly uniform and c-axis orientated zinc oxide (ZnO) single and multilayered thin films. Quasisuperlattice (QSL) metal oxide thin films are deposited by spin-coating and the structural, morphological, optical, electronic, and crystallographic properties are investigated. In this work, the authors show that uniform, coherent multilayers of ZnO can be produced from liquid precursors using an iterative coating-drying technique that shows epitaxial-like growth on SiO2, at a maximum temperature of 300 °C in air. As QSL films are grown with a greater number of constituent layers, the crystal growth direction changes from m-plane to c-plane, confirmed by x-ray and electron diffraction. The film surface is smooth for all QSLs with root mean square roughness <0.14 nm. X-ray photoelectron spectroscopy (XPS) and photoluminescence (PL) of electronic defects in the QSL structure show a dependence of defect emission on the QSL thickness, and PL mapping demonstrates that the defect signature is consistent across the QSL film in each case. XPS and valence-band analysis shown a remarkably consistent surface composition and electronic structure during the annealing process developed here. en
dc.description.sponsorship Irish Research Council (Award No. GOIPG/2014/206); en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Vacuum Society en
dc.relation.uri http://avs.scitation.org/doi/10.1116/1.5001758
dc.rights © 2017, AIP Publishing. Published by the AVS. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Journal of Vacuum Science & Technology A: Vacuum, Surfaces and Films, Vol 35, 061517 (2017) and may be found at http://avs.scitation.org/doi/abs/10.1116/1.5001758 en
dc.subject Superlattices en
dc.subject Thin films en
dc.subject Bipolar transistors en
dc.subject Spray coating en
dc.subject Luminescence spectroscopy en
dc.title Solution processed ZnO homogeneous quasisuperlattice materials en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Colm O'Dwyer, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: c.odwyer@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2018-11-01
dc.date.updated 2018-01-08T14:55:13Z
dc.description.version Accepted Version en
dc.internal.rssid 420607168
dc.contributor.funder Irish Research Council en
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Vacuum Science & Technology A en
dc.internal.copyrightchecked No !!CORA!! en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress c.odwyer@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Technology and Innovation Development Award (TIDA)/15/TIDA/2893/IE/Advanced Battery Materials for High Volumetric Energy Density Li-ion Batteries for Remote Off-Grid Power/ en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Investigator Programme/14/IA/2581/IE/Diffractive optics and photonic probes for efficient mouldable 3D printed battery skin materials for portable electronic devices/ en


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