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Open AccessArticle

Effects of Experimental Configuration on the Morphology of Two-Dimensional ZnO Nanostructures Synthesized by Thermal Chemical-Vapor Deposition

1
Department of Process Development, LG Electronics, Gumi, Gyeongsangbuk-do 3938, Korea
2
School of Advanced Materials Science and Chemical Engineering, Daegu Catholic University, Gyeongsan, Gyeongsangbuk-do 38430, Korea
3
Department of Physics, Kyungpook National University, Daegu 41566, Korea
*
Authors to whom correspondence should be addressed.
Crystals 2020, 10(6), 517; https://doi.org/10.3390/cryst10060517
Received: 20 April 2020 / Revised: 13 June 2020 / Accepted: 14 June 2020 / Published: 17 June 2020
(This article belongs to the Special Issue Functional Oxide Based Thin-Film Materials (Volume II))
Using two experimental configurations, self-assembled zinc oxide (ZnO) nanostructures including nanoplates, nanosaws, and nanobelts were synthesized by thermal chemical-vapor deposition (CVD), and their morphological properties were investigated. ZnO nanostructures grown on Au-coated Si substrates in a parallel setup revealed highly defined ZnO nanoplates and branched nanowires. ZnO nanostructures grown in a perpendicular setup using Si substrates with and without the Au catalyst exhibited vertically oriented ZnO nanosaws and randomly aligned nanobelts, respectively. In the thermal CVD method, experiment conditions such as oxygen-flow rate, growth temperature, and catalyst, and experimental configurations (i.e., parallel and perpendicular setups) were important parameters to control the morphologies of two-dimensional ZnO nanostructures showing platelike, sawlike, and beltlike shapes. View Full-Text
Keywords: experimental configuration; ZnO nanoplates; ZnO nanosaws; ZnO nanobelts; thermal chemical-vapor deposition; two-dimensional nanostructures experimental configuration; ZnO nanoplates; ZnO nanosaws; ZnO nanobelts; thermal chemical-vapor deposition; two-dimensional nanostructures
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Choi, S.C.; Lee, D.K.; Sohn, S.H. Effects of Experimental Configuration on the Morphology of Two-Dimensional ZnO Nanostructures Synthesized by Thermal Chemical-Vapor Deposition. Crystals 2020, 10, 517.

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