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Dahiya AS, Opoku C, Alquier D, et al. Controlled growth of 1D and 2D ZnO nanostructures on 4H-SiC using Au catalyst. Nanoscale Res Lett. 2014;9(1):379doi: 10.1186/1556-276X-9-379.
Dahiya, A. S., Opoku, C., Alquier, D., Poulin-Vittrant, G., Cayrel, F., Graton, O., Hue, L. P., & Camara, N. (2014). Controlled growth of 1D and 2D ZnO nanostructures on 4H-SiC using Au catalyst. Nanoscale research letters, 9(1), 379. https://doi.org/10.1186/1556-276X-9-379
Dahiya, Abhishek Singh, et al. "Controlled growth of 1D and 2D ZnO nanostructures on 4H-SiC using Au catalyst." Nanoscale research letters vol. 9,1 (2014): 379. doi: https://doi.org/10.1186/1556-276X-9-379
Dahiya AS, Opoku C, Alquier D, Poulin-Vittrant G, Cayrel F, Graton O, Hue LP, Camara N. Controlled growth of 1D and 2D ZnO nanostructures on 4H-SiC using Au catalyst. Nanoscale Res Lett. 2014 Aug 03;9(1):379. doi: 10.1186/1556-276X-9-379. eCollection 2014. PMID: 25136283; PMCID: PMC4127525.
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Nanoscale Res Lett. 2014 Aug 03;9(1):379. doi: 10.1186/1556-276X-9-379. eCollection 2014.

Controlled growth of 1D and 2D ZnO nanostructures on 4H-SiC using Au catalyst.

Nanoscale research letters

Abhishek Singh Dahiya, Charles Opoku, Daniel Alquier, Guylaine Poulin-Vittrant, Frederic Cayrel, Olivier Graton, Louis-Pascal Tran Huu Hue, Nicolas Camara

Affiliations

  1. Université François Rabelais de Tours, CNRS, GREMAN UMR 7347, 16 rue Pierre et Marie Curie, Tours 37071, France.

PMID: 25136283 PMCID: PMC4127525 DOI: 10.1186/1556-276X-9-379

Abstract

A perfect control of nanostructure growth is a prerequisite for the development of electronic and optoelectronic device/systems. In this article, we demonstrate the growth of various ZnO-derived nanostructures, including well-ordered arrays of high aspect ratio single crystalline nanowires with preferred growth direction along the [0001] axis, nanowalls, and hybrid nanowire-nanowall structures. The growths of the various ZnO nanostructures have been carried out on SiC substrates in a horizontal furnace, using Au thin film as catalyst. From experimental observations, we have ascribed the growth mechanisms of the different ZnO nanostructures to be a combination of catalytic-assisted and non-catalytic-assisted vapor-liquid-solid (VLS) processes. We have also found that the different ZnO nanoarchitectures' material evolution is governed by a Zn cluster drift effects on the SiC surface mainly driven by growth temperature. Au thin film thickness, growth time, and temperature are the parameters to optimize in order to obtain the different ZnO nanoarchitectures.

Keywords: Nanostructures; Nanowalls; Nanowires; Zinc cluster drift; Zinc oxide

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