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Effect of high temperature VPT conditions on the development of aligned ZnO nanorod arrays grown by a three step catalyst-free method

Fath Allah, R., Byrne, Daragh orcid logoORCID: 0000-0002-2040-9765, Ben, T., González, D., McGlynn, Enda orcid logoORCID: 0000-0002-3412-9035 and García, R. (2013) Effect of high temperature VPT conditions on the development of aligned ZnO nanorod arrays grown by a three step catalyst-free method. Journal of Nanoscience Letters, 3 (1). p. 2. ISSN 2231 - 4016

Abstract
Using Transmission Electron Microscopy-related techniques, we study the effect of the high temperature in the Vapour Phase Transport (VPT) process on the morphology and chemistry of VPT ZnO nanorod arrays deposited on a two-step Chemical Bath Deposition (CBD) buffer layers on silicon substrates. Though well-aligned and c-axis oriented arrays of ZnO nanorods are achieved, we have noticed the strong dependence of the nanorod morphology on the VPT growth conditions such as the temperature ramp rate and the placement of samples with respect to the metal source. The development of conical structures in the nanorod bases and the formation of a double intermediate layer below the base of nanorods are the main features found. The modifications of the ZnO nanostructures both in the base and in the underlying buffer layers due to the high VPT temperatures are also examined in detail.
Metadata
Item Type:Article (Published)
Refereed:Yes
Additional Information:Already available on Creative Commons
Subjects:Engineering > Materials
Physical Sciences > Nanotechnology
Physical Sciences > Semiconductors
DCU Faculties and Centres:Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:Cognizure
Copyright Information:© Cognizure
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:19606
Deposited On:30 Oct 2013 09:18 by Enda Mcglynn . Last Modified 20 Sep 2018 13:14
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