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Ftouhi, H., Lamkaouane, H., Louarn, G., Diani, M., Bernede, J.-C., Addou, M. & Cattin, L. (2022) Low temperature synthesis of MoS2 and MoO3:MoS2 hybrid thin films via the use of an original hybrid sulfidation technique. Surfaces and Interfaces, 32 102120. 
Added by: Richard Baschera (2022-08-19 07:08:10)   Last edited by: Richard Baschera (2022-08-19 08:21:11)
Type de référence: Article
DOI: 10.1016/j.surfin.2022.102120
Numéro d'identification (ISBN etc.): 2468-0230
Clé BibTeX: Ftouhi2022a
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Mots-clés: Hole transporting layer, Hybrid layer (MoO:MoS), Molybdenum disulfide (MoS), Organic photovoltaic cells, planar heterojunction
Créateurs: Addou, Bernede, Cattin, Diani, Ftouhi, Lamkaouane, Louarn
Collection: Surfaces and Interfaces
Consultations : 3/206
Indice de consultation : 17%
Indice de popularité : 4.25%
Liens URLs     https://www.scienc ... /S2468023022003881
In this study, an original hybrid technique based on rapid thermal annealing (RTA) and chemical vapor deposition (CVD) was used to synthesis MoS2 and MoO3:MoS2 hybrid thin films at low temperature on indium tin oxide (ITO). We show that using the annealing temperature, the annealing duration and the sulfur partial pressure as parameters, it is possible to switch from MoO3 (20–25 nm) to MoS2 directly without any intermediate compositions. The XPS analysis revealed a complete sulfidation at 380 °C without any deterioration of the ITO conductivity. Then, we synthesized thinner hybrid films (3nm) of MoO3:MoS2 in order to be used as anode buffer layer (ABL) in planar organic solar cells (PHJ-OPVs). We have demonstrated that the hybrid ABLs that appear best suited for use in PHJ-OPVs are those with high MoO3/MoS2 molecular ratio which have been treated around 210 °C. The introduction of the hybrid ABL with 5% of MoS2 in the PHJ-OPVs based Aluminum Phthalocyanine Chloride and Fullerene leads to a significant improvement of the OPV efficiency from 1.29% to 2.49%, this was explained by the complimentary advantages of MoO3 and MoS2.
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