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Theelen, M., Dasgupta, S., Vroon, Z., Kniknie, B., Barreau, N., van Berkum, J. & Zeman, M. (2014) Influence of the atmospheric species water, oxygen, nitrogen and carbon dioxide on the degradation of aluminum doped zinc oxide layers. Thin Solid Films, 565 149–154. 
Added by: Laurent Cournède (2016-03-10 21:01:55)
Type de référence: Article
DOI: 10.1016/j.tsf.2014.07.005
Numéro d'identification (ISBN etc.): 0040-6090
Clé BibTeX: Theelen2014
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Catégories: CESES
Mots-clés: behavior, co2, damp heat-stability, Degradation, diffusion, films, Grain boundaries, humid environment, solar-cells, Water, Zinc oxide, ZnO, ZnO:Al
Créateurs: Barreau, van Berkum, Dasgupta, Kniknie, Theelen, Vroon, Zeman
Collection: Thin Solid Films
Consultations : 6/435
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
Aluminum doped zinc oxide (ZnO:Al) layers were exposed to the atmospheric gases carbon dioxide (CO2), oxygen (O-2), nitrogen (N-2) and air as well as liquid H2O purged with these gases, in order to investigate the chemical degradation behavior of these layers. The samples were analyzed by electrical, compositional and optical measurements before, during and after exposure to these conditions in order to follow the degradation behavior of these layers in time. We have shown that ZnO:Al layers degraded in the presence of a mixture of H2O and CO2. Individually, CO2 does not impact the degradation at all during the tested period, while the individual impact of H2O is small. However, when CO2 is also present, the concentration of OH increases greatly in the bulk and even more at the air/ZnO:Al and in the ZnO:Al/glass interfaces. Carbon based species are then also present, indicating that Zn-5(OH)(6)(CO3)(2) is also formed at the grain boundaries. The impact of gaseous O-2 as well as water purged with N-2 and O-2 on ZnO:Al degradation is very small. (C) 2014 Elsevier B. V. All rights reserved.
Added by: Laurent Cournède  
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