Optical properties of ZnO nanowire arrays electrodeposited on n- and p-type Si(1 1 1): Effects of thermal annealing
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LUPAN, Oleg, PAUPORTE, Thierry, TIGINYANU, Ion, URSACHI, Veaceslav, HEINRICH, Helge H., CHOW, Lee. Optical properties of ZnO nanowire arrays electrodeposited on n- and p-type Si(1 1 1): Effects of thermal annealing. In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 2011, vol. 176, pp. 1277-1284. ISSN 0921-5107. DOI: https://doi.org/10.1016/j.mseb.2011.07.017
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Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volumul 176 / 2011 / ISSN 0921-5107

Optical properties of ZnO nanowire arrays electrodeposited on n- and p-type Si(1 1 1): Effects of thermal annealing

DOI:https://doi.org/10.1016/j.mseb.2011.07.017

Pag. 1277-1284

Lupan Oleg12, Pauporte Thierry2, Tiginyanu Ion3, Ursachi Veaceslav3, Heinrich Helge H.4, Chow Lee4
 
1 Technical University of Moldova,
2 Laboratoire d'Electrochimie, Chimie des Interfaces et Modélisation pour l'Energie (LECIME),
3 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
4 University of Central Florida
 
 
Disponibil în IBN: 28 martie 2018


Rezumat

Electrodeposition is a low temperature and low cost growth method of high quality nanostructured active materials for optoelectronic devices. We report the electrochemical preparation of ZnO nanorod/nanowire arrays on n-Si(1 1 1) and p-Si(1 1 1). The effects of thermal annealing and type of substrates on the optical properties of ZnO nanowires electroplated on silicon (1 1 1) substrate are reported. We fabricated ZnO nanowires/p-Si structure that exhibits a strong UV photoluminescence emission and a negligible visible emission. This UV photoluminescence emission proves to be strongly influenced by the thermal annealing at 150-800 °C. Photo-detectors have been fabricated based on the ZnO nanowires/p-Si heterojunction.

Cuvinte-cheie
Annealing, Electrodeposition, Electrolyte-Si junction, photoluminescence, ZnO nanowires, ZnO/Si heterojunction