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El Jouad, Z., Morsli, M., Louarn, G., Cattin, L., Addou, M. & Bernede, J. C. (2015) Improving the efficiency of subphthalocyanine based planar organic solar cells through the use of MoO3/CuI double anode buffer layer. Sol. Energy Mater. Sol. Cells, 141 429–435. 
Added by: Laurent Cournède (2016-03-10 18:36:41)
Type de référence: Article
DOI: 10.1016/j.solmat.2015.06.017
Numéro d'identification (ISBN etc.): 0927-0248
Clé BibTeX: ElJouad2015
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Catégories: CESES, PMN
Mots-clés: acceptor, Hole mobility, Interface, optimization, Organic photovoltaic cells, photovoltaics, Phthalocyanine derivatives, Planar heterojunctions, Thin film morphology
Créateurs: Addou, Bernede, Cattin, El Jouad, Louarn, Morsli
Collection: Sol. Energy Mater. Sol. Cells
Consultations : 3/459
Indice de consultation : 1%
Indice de popularité : 0.25%
Résumé     
Planar organic photovoltaic cells (OPV) based on the heterojunction subphthalocyanine/fullerene (SubPc/C-60) were fabricated by varying the nature of hole transporting layer (HTL) and the SubPc thickness. The performances of the efficient heterojunction SubPc/C-60 are improved through the use of MoO3/CuI double HTL In comparison with OPV using MoO3 alone as HTL, the insertion of CuI leads to a significant increase in the short circuit current due to improved hole mobility. With the MoO3/CuI HTL, the power conversion efficiency was maximized to nearly 5\% at a SubPc thickness of 20 nm. The atomic force microscopy study shows that the morphology of the SubPc films depends on the HTL. With CuI, the SubPc films are more homogeneous, with a smoother surface. These morphology differences induce modifications of the electrical properties of the SubPc. J-V characteristics of hole only devices, i.e. devices with SubPc inserted between two high work function electrodes, show that the hole mobility in SubPc deposited onto CuI is higher than that in films deposited onto MoO3. (C) 2015 Elsevier B.V. All rights reserved.
Added by: Laurent Cournède  
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