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Ouldhamadouche, N., Achour, A., Musa, I., Aissa, A. K., Massuyeau, F., Jouan, P. Y., Kechouane, M., Le Brizoual, L., Faulques, E., Barreau, N. & Djouadi, M. A. (2012) Structural and photoluminescence characterization of vertically aligned multiwalled carbon nanotubes coated with ZnO by magnetron sputtering. Thin Solid Films, 520 4816–4819. 
Added by: Laurent Cournède (2016-03-10 21:28:39)
Type de référence: Article
DOI: 10.1016/j.tsf.2011.10.069
Numéro d'identification (ISBN etc.): 0040-6090
Clé BibTeX: Ouldhamadouche2012
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Catégories: CESES, MIOPS, PCM
Mots-clés: DC and RF-sputtering, heterostructures, MWCNTs, nanoparticles, photoluminescence, Zinc oxide nanostructure
Créateurs: Achour, Aissa, Barreau, Djouadi, Faulques, Jouan, Kechouane, Le Brizoual, Massuyeau, Musa, Ouldhamadouche
Collection: Thin Solid Films
Consultations : 2/331
Indice de consultation : 1%
Indice de popularité : 0.25%
Résumé     
Zinc oxide (ZnO) nanostructures are very attractive in various optoelectronic applications such as light emitting devices. A fabrication process of these ZnO nanostructures which gives a good crystalline quality and being compatible with that of micro-fabrication has significant importance for practical application. In this work ZnO films with different thicknesses were deposited by RF-sputtering on vertically aligned multiwalled carbon nanotube (MWCNTs) template in order to obtain ZnO nanorods. The obtained hybrid structures (ZnO/MWCNTs) were characterized by scanning electron microscopy. X-ray diffraction, transmission electron microscopy, and time resolved photoluminescence spectroscopy (PL). Results show that the ZnO/MWCNTs have a nanorod structure like morphology with a good crystalline quality of the deposited ZnO on the MWCNTs. PL measurements reveal an enhancement of the band edge signal of ZnO/MWCNTs which is three times of magnitude higher compared to the ZnO film deposited on silicon. Moreover, the intensity enhancement varies as function of the ZnO thickness. Such hybrid structures are promising for optoelectronic application, such as blue-violet sources. (C) 2011 Elsevier B.V. All rights reserved.
Added by: Laurent Cournède  
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