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Lepetit, T., Harel, S., Arzel, L., Ouvrard, G. & Barreau, N. (2016) Coevaporated KInSe2: A Fast Alternative to KF Postdeposition Treatment in High-Efficiency Cu(In,Ga)Se-2 Thin Film Solar Cells. IEEE J. Photovolt. 6 1316–1320. 
Added by: Richard Baschera (2016-12-23 15:03:24)   Last edited by: Richard Baschera (2016-12-23 15:07:32)
Type de référence: Article
DOI: 10.1109/JPHOTOV.2016.2589365
Numéro d'identification (ISBN etc.): 2156-3381
Clé BibTeX: Lepetit2016
Voir tous les détails bibliographiques
Catégories: MIOPS, ST2E
Mots-clés: cu(in, Ga)Se-2 (CIGS), photovoltaic cells, potassium fluoride post-deposition treatment (KF-PDT), Surface, XPS
Créateurs: Arzel, Barreau, Harel, Lepetit, Ouvrard
Collection: IEEE J. Photovolt.
Consultations : 2/796
Indice de consultation : 5%
Indice de popularité : 1.25%
Cu(In,Ga)Se-2-based thin film solar cells have reached 22.3% energy conversion efficiency. This outstanding level of performance has been made possible by the use of a so-called potassium fluoride postdeposition treatment (KF-PDT) after the absorber synthesis. Such a treatment, consisting of evaporating KF under Se atmosphere, has been suggested to enhance the formation of a KInSe2 surface layer. In this paper, we propose an alternative to the standard KF-PDT, in which we simultaneously evaporate KF and In under Se atmosphere. We compare by Xray photoemission spectroscopy the modified absorber surfaces in both cases and discuss the advantages of this alternative in terms of robustness and rapidity of the process.
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