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Bernede, J. C., Cattin, L., Djobo, O. S., Morsli, M., Kanth, S. R. B., Patil, S., Leriche, P., Roncali, J., Godoy, A., Diaz, F. R. & del Valle, M. A. (2011) Influence of the highest occupied molecular orbital energy level of the donor material on the effectiveness of the anode buffer layer in organic solar cells. Phys. Status Solidi A-Appl. Mat. 208 1989–1994. 
Added by: Laurent Cournède (2016-03-10 21:32:20)
Type de référence: Article
DOI: 10.1002/pssa.201127047
Numéro d'identification (ISBN etc.): 1862-6300
Clé BibTeX: Bernede2011a
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Catégories: CESES
Mots-clés: buffer layers, devices, efficiency, metal, organic solar cells, photovoltaic cells, thin films, work function
Créateurs: Bernede, Cattin, Diaz, Djobo, Godoy, Kanth, Leriche, Morsli, Patil, Roncali, del Valle
Collection: Phys. Status Solidi A-Appl. Mat.
Consultations : 7/408
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
Efficiency of organic photovoltaic cells based on organic electron donor/organic electron acceptor junctions can be strongly improved when the transparent conductive Anode is coated with a Buffer Layer (ABL). Here, the effects of a metal (gold) or oxide (molybdenum oxide) ABL are reported, as a function of the Highest Occupied Molecular Orbital (HOMO) of different electron donors. The results indicate that a good matching between the work function of the anode and the highest occupied molecular orbital of the donor material is the major factor limiting the hole transfer efficiency. Indeed, gold is efficient as ABL only when the HOMO of the organic donor is close to its work function Phi(Au). Therefore we show that the MoO3 oxide has a wider field of application as ABL than gold. (C) 2011 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim
Added by: Laurent Cournède  
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