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Influence of geometrical properties on light emission of ZnO nanowires

✍ Scribed by I. Enculescu; M. Sima; M. Enculescu; M. Enache; V. Vasile; R. Neumann

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
231 KB
Volume
30
Category
Article
ISSN
0925-3467

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✦ Synopsis

The present paper deals with the preparation and study of optical properties of ZnO nanowires. Nanoporous ion track polycarbonate foils were used as templates for ZnO nanowires growth by electrochemical deposition. The growth was performed using an aqueous electrochemical bath at a temperature of 70 Β°C. SEM and TEM were employed to study the morphological properties of the nanowires. Electron diffraction was employed for structural characterization. Reflection and photoluminescence spectroscopy were used for optical characterization. A comparison between the properties of electrodeposited thin films and nanowires of ZnO was made from the point of view of photoluminescence properties.

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## Abstract The band‐gap engineering of doped ZnO nanowires is of the utmost importance for tunable light‐emitting‐diode (LED) applications. A combined experimental and density‐functional theory (DFT) study of ZnO doping by copper (Zn^2+^ substitution by Cu^2+^) is presented. ZnO:Cu nanowires are e