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Tsoulka, P., Harel, S., Arzel, L., Weber, A., Niesen, T., Reyes-Figueroa, P., ElAnzeery, H., Dalibor, T. & Barreau, N. (2023) RbF-related post-deposition treatments on Cu(In,Ga)(S,Se)2 absorbers: The role of the chalcogen atmosphere. Applied Surface Science, 614 155830. 
Added by: Richard Baschera (2023-02-10 10:38:06)   Last edited by: Richard Baschera (2023-05-19 08:27:53)
Type de référence: Article
DOI: 10.1016/j.apsusc.2022.155830
Numéro d'identification (ISBN etc.): 0169-4332
Clé BibTeX: Tsoulka2023
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Créateurs: Arzel, Barreau, Dalibor, ElAnzeery, Harel, Niesen, Reyes-Figueroa, Tsoulka, Weber
Collection: Applied Surface Science
Consultations : 1/252
Indice de consultation : 13%
Indice de popularité : 3.25%
An intriguing area in the field of alkali fluoride post-deposition treatment (PDT) on Cu(In,Ga)(S,Se)2 (CIGSSe) absorbers is the effect of the chalcogen atmosphere on the absorber's surface during the PDT process. In this work, we focus on RbF-PDTs and we study (i) the effect of Se and S atmosphere and (ii) the impact of In and RbF co-evaporation under S vapor on the vibrational and chemical properties of the absorber's surface. Using micro -Raman and X-ray photoelectron spectroscopy, we examine three different PDT processes: RbF under S atmo-sphere (RbF(S)-PDT), In and RbF co-evaporation under S atmosphere (In + RbF(S)-PDT) and In and RbF co -evaporation under Se atmosphere (In + RbF(Se)-PDT). Our results show that under Se atmosphere the forma-tion of a Cu-poor chalcopyrite phase is enhanced, while under S atmosphere Cu-poor chalcopyrite phases are hindered. In addition, the In + RbF(S)-PDT leads to the formation of a Rb:InxSy compound at the surface of the absorber. This almost Cu -free surface compound seems to impedes Cu inclusion during the In + RbF(S)-PDT in the indium sulfide spinelle lattice thanks to the occupation of its cationic vacancies by Rb.
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