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Cattin, L., Djobo, O. S., Sanchez, C., Morsli, M. & Bernede, J. C. (2012) The influence of the HOMO energy level of the organic electron donor on the effectiveness of the anode buffer layer in photovoltaic solar cells. Shaheen, S. E., Olson, D. C., Dennler, G., Mozer, A. J. & Kroon, J. M. (Eds.), Proceedings of the Spring 2011 E-Mrs Meeting, Symposium S: Organic Photovoltaics: Science and Technology Amsterdam. 
Added by: Laurent Cournède (2016-03-10 21:28:40)
Type de référence: Chapitre/Section
Clé BibTeX: Cattin2012
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Catégories: CESES
Mots-clés: Anode buffer layer, interfaces, organic solar cells, Physical vapour deposition
Créateurs: Bernede, Cattin, Dennler, Djobo, Kroon, Morsli, Mozer, Olson, Sanchez, Shaheen
Éditeur: Elsevier Science Bv (Amsterdam)
Collection: Proceedings of the {Spring} 2011 {E}-{Mrs} {Meeting}, {Symposium} {S}: {Organic} {Photovoltaics}: {Science} and {Technology}
Consultations : 1/619
Indice de consultation : 4%
Indice de popularité : 1%
Efficiency of organic photovoltaic cells, based on electron donor/electron acceptor junctions (ED/EA) could be strongly improved when the transparent conductive anode, is covered with a thin anode buffer layer (ABL) such as Au or MoO3. To study the influence of the HOMO (Highest Occupied Molecular Orbital) value of the organic material on the effectiveness of the anode buffer layer (ABL), different ED have been probed: pentacene, copper phthalocyanine (CuPc), tetraphenyldibenzoperiflanthene (DBP) and, poly(benzo[ c] thiophene-2-oxide) with 5 eV, 5.2 eV, 5.5 eV and 5.52 eV as HOMO value respectively. The effects of a metal (Au) or an oxide (MoO3) ABL are reported. The results indicate that the improvement of the cells performance depends on the value of the ABL work function. A good matching between the work function of the anode and the highest occupied molecular orbital of the organic electron donor is the most important factor limiting the hole transfer efficiency. It is shown that the MoO3 oxide has a wider field of application as ABL than the Au metal. (C) 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license. Selection and peer-review under responsibility of the European Material Research Society (E-MRS)
Added by: Laurent Cournède  
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