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Microstructural and Optical Properties of Nitrogen Doped ZnO Nanowires

Published online by Cambridge University Press:  18 December 2012

Ahmed Souissi
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France Département de Physique, Université El-Manar, Tunis, Tunisie
Nadia Hanèche
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
Corinne Sartel
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
Abdel Meftah
Affiliation:
Département de Physique, Université El-Manar, Tunis, Tunisie
Alain Lusson
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
Meherzi Oueslati
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
Jean-Marie Bluet
Affiliation:
Institut des Nanotechnologies de Lyon, INSA, 69621 Villeubanne, France
Bruno Masenelli
Affiliation:
Institut des Nanotechnologies de Lyon, INSA, 69621 Villeubanne, France
Vincent Sallet
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
Pierre Galtier
Affiliation:
Groupe d’Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en Yvelines / CNRS, 45 avenue des Etats-Unis, 78035 Versailles, France
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Abstract

Nanowires with different nitrogen concentrations were grown by Metal-Organic Chemical Vapor Deposition (MOCVD) using DEZn, N2O and NH3as zinc, oxygen and nitrogen doping sources respectively. Low temperature photoluminescence, Raman spectroscopy and Transmission Electron Microscopy are combined to study the incorporation of nitrogen in the wires. The observation of donor-acceptor pair band confirms that the incorporation nitrogen in ZnO nanowires is responsible for the creation of acceptor centers. The additional peaks observed in Raman are correlated to nano-sized inter-atomic distance fluctuations observed in TEM. These domains combined with a resonance effect are probably the explanation of the huge Raman cross section observed for the impurity related peaks.

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Articles
Copyright
Copyright © Materials Research Society 2012 

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References

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