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Article Dans Une Revue Applied Surface Science Année : 2014

Parametric study of self-forming ZnO nanowall network with honeycomb structure by pulsed laser deposition

Résumé

The successful synthesis of catalyst free zinc oxide (ZnO) Nanowall networks with honeycomb like struc-ture by Pulsed Laser Deposition (PLD) is demonstrated in this paper. The synthesis was conducted directlyon Silicon (Si) (1 0 0) and Glass-ITO substrates without the intermediate of metal catalyst, template orchemical etching. Kinetic of growth and effects of gas pressure and substrate temperature were studiedby depositing ZnO films on P type Si (1 0 0) substrates with different deposition parameters. The opti-mized growth parameters were found as: 10 mTorr oxygen pressure, 600◦C substrate temperature, anddeposition duration equal or higher than 10 min. X-Ray Diffraction (XRD), Scanning Electron Microscopy(SEM) and Photoluminescence (PL) measurements were used to investigate structural, microstructuraland optical properties of ZnO Nanowall networks produced. They exhibit a non-uniform size high qualityhoneycomb structure with low deep level defects.
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Dates et versions

hal-00939053 , version 1 (30-01-2014)

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Basma El Zein, S. Boulfrad, G.E. Jabbour, El Hadj Dogheche. Parametric study of self-forming ZnO nanowall network with honeycomb structure by pulsed laser deposition. Applied Surface Science, 2014, 292, pp.598-607. ⟨10.1016/j.apsusc.2013.12.014⟩. ⟨hal-00939053⟩
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