E3S Web Conf.
Volume 22, 2017International Conference on Advances in Energy Systems and Environmental Engineering (ASEE17)
|Number of page(s)||9|
|Published online||07 November 2017|
Experimental study of optical and electrical properties of ZnO nano composites electrodeposited on n-porous silicon substrate for photovoltaic applications
Laboratoire des Semi-conducteurs et des Matériaux Fonctionnels. Université Amar Telidji de Laghouat, Bd des Martyrs. BP37G Laghouat (03000), Algérie
2 Centre de recherche en technologie des semiconducteurs pour l’énergétique, 02, boulevard Dr Frantz Fanon.Sept Merveilles.Bp 140 Alger, Algérie
3 Université de Lorraine, LEM3, UMR CNRS 7239, F-57050 Metz, France
4 Université de Lorraine, LMOPS, EA 4423, F-57070 Metz, France
5 Centrale Supelec, LMOPS, F-57070 Metz, France
ZnO films deposited on silicon porous substrates (PS) were prepared by electro-deposition anodization on n type (100) silicon wafer. This ZnO/PS structure combines substrates having specific structural and optical properties (IR emission), with nano-composites of ZnO potentially interesting due to their functional properties (UV emission) to be integrated as constitutive elements of devices in various optoelectronic applications mainly in blue light emitters. With this combined structure, the blue shift in the PL peak is possible and easy to obtain (467nm). The vibration modes of PS and ZnO films on PS substrates (ZnO /PS) were investigated by infrared (FTIR) measurements and their behaviors were analyzed and discussed by considering the structural properties characterized by X-ray diffraction (DRX) and scanning electronic microscopy (MEB).
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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