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Browsing by Author "Becerril Romero, Ignacio"
Now showing items 1-11 of 11
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Combinatorial and machine learning approaches for the analysis of Cu2ZnGeSe4: influence of the off-stoichiometry on defect formation and solar cell performance
Grau Luque, Enric; Anefnaf, Ikram; Benhaddou, Nada; Fonoll Rubio, Robert; Becerril Romero, Ignacio; Aazou, Safae; Saucedo Silva, Edgardo Ademar; Sekkat, Zouheir; Pérez Rodríguez, Alejandro; Izquierdo Roca, Víctor; Guc, Maxim (Royal Society of Chemistry (RSC), 2021-04-28)
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Open AccessSolar cells based on quaternary kesterite compounds like Cu2ZnGeSe4 are complex systems where the variation of one parameter can result in changes in the whole system, and, as consequence, in the global performance of the ... -
Controlling the anionic ratio and gradient in kesterite technology
Andrade Arvizu, Jacob; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Becerril Romero, Ignacio; Sylla, Dioulde Huguette; Vidal Fuentes, Pedro; Jehl Li-Kao, Zacharie; Thomere, Angélica; Giraldo, Sergio; Tiwari, Kunal Jogendra; Resalati, Shahaboddin; Guc, Maxim; Placidi, Marcel Jose (2022-01-03)
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Open AccessAccurate anionic control during the formation of chalcogenide solid solutions is fundamental for tuning the physicochemical properties of this class of materials. Compositional grading is the key aspect of band gap engineering ... -
Effects of ITO based back contacts on Cu(In,Ga)Se2 thin films, solar cells, and mini-modules relevant for semi-transparent building integrated photovoltaics
Hölscher, Torsten; Placidi, Marcel Jose; Becerril Romero, Ignacio; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Thomere, Angélica; Bailo Bobi, Eduard; Schneider, Thomas; Kempa, Heiko; Scheer, Roland; Perez Rodriguez, Alejandro (2023-03-01)
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Open AccessThis study presents the results of the development of semi-transparent Cu(In,Ga)Se2 (CIGSe) mini-modules for the application in building integrated photovoltaics (BIPV). Applying in-situ X-ray diffraction in real-time ... -
High efficiency Cu2ZnSnS4 solar cells over FTO substrates and their CZTS/CdS interface passivation via thermal evaporation of Al2O3
Ojeda Durán, Esteban; Monfil Leyva, Karim; Andrade Arvizu, Jacob; Becerril Romero, Ignacio; Sánchez González, Yudania; Fonoll Rubio, Robert; Guc, Maxim; Jehl Li-Kao, Zacharie; Luna Lópeza, José A.; Saucedo Silva, Edgardo Ademar (Royal Society of Chemistry (RSC), 2021-04-28)
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Open AccessThe fabrication of soda lime glass/fluorine-doped tin oxide (SLG/FTO) transparent substrates represents an important advance in the fabrication of tandem solar cells. In addition, possible passivation using Al2O3, which ... -
Hole Transport Layer based on atomic layer deposited V2Ox films: paving the road to semi-transparent CZTSe solar cells
Almache Hernández, Rosa Estefanía; Pusay Villarroel, Benjamín Andrés; Tiwari, Kunal Jogendra; Ros, Eloi; Masmitjà Rusiñol, Gerard; Becerril Romero, Ignacio; Martín García, Isidro; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Saucedo Silva, Edgardo Ademar; Ortega Villasclaras, Pablo Rafael (2021-09-15)
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Open AccessThis work explores the use of very thin transparent vanadium oxide films deposited by atomic layer deposition (ALD) technique as hole transport layer for CZTSe solar cells as alternative of opaque molybdenum based contacts. ... -
Insights into interface and bulk defects in a high efficiency kesterite-based device
Fonoll Rubio, Robert; Andrade Arvizu, Jacob; Blanco Portals, Javier; Becerril Romero, Ignacio; Guc, Maxim; Saucedo Silva, Edgardo Ademar; Peiró Martínez, Francesca; Estradé Albiol, Sònia; Izquierdo Roca, Víctor; Pérez Rodríguez, Alejandro (2021-01-01)
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Open AccessThis work provides a detailed analysis of a high efficiency Cu2ZnSnSe4 device using a combination of advanced electron microscopy and spectroscopy techniques. In particular, a full picture of the different defects present ... -
Insights on the thermal stability of the Sb2Se3 quasi-1D photovoltaic technology
Vidal Fuentes, Pedro; Guc, Maxim; Becerril Romero, Ignacio; Sylla, Dioulde Huguette; Alcobé Olle, Xavier; Sánchez González, Yudania; Pérez Rodríguez, Alejandro; Saucedo Silva, Edgardo Ademar; Izquierdo Roca, Víctor (Wiley, 2021-10-13)
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Open AccessThis work explores the thermal stability of antimony-based photovoltaic (PV) technologies investigating the effect of low-temperature (50—350¿°C) postdeposition annealings (PDAs) on bare Sb2Se3 absorbers and complete ... -
Investigation on limiting factors affecting Cu2ZnGeSe4 efficiency: Effect of annealing conditions and surface treatment
Sánchez González, Yudania; Andrade Arvizu, Jacob; Becerril Romero, Ignacio; Guc, Maxim; Giraldo, Sergio; Izquierdo Roca, Víctor; Saucedo Silva, Edgardo Ademar (2020-10-01)
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Open AccessThis work aims to unveil the optimal annealing conditions and surface treatments of CZGeSe absorbers, synthesized using vacuum-based deposition technique, with an eye to optimizing the main parameters allowing better control ... -
Kinetics and phase analysis of kesterite compounds: Influence of chalcogen availability in the reaction pathway
Hernández Martínez, Alejandro; Giraldo, Sergio; Alcobe, Xavier; Becerril Romero, Ignacio; Placidi, Marcel Jose; Izquierdo Roca, Víctor; Pistor, Paul; Perez Rodriguez, Alejandro; Saucedo Silva, Edgardo Ademar; Valdés, Matías (2022-08-01)
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Open AccessPhysical vapor deposition methodologies have gained a lot of interest in the synthesis of kesterites, including sequential processes based on sputtering of metals followed by reactive annealing. Bearing this in mind, ... -
Stability of Cu2ZnSnSe4/CdS heterojunction based solar cells under soft post-deposition thermal treatments
Atlan, Fabien; Becerril Romero, Ignacio; Giraldo Muñoz, Sergio; Rotaru, Victoria; Sánchez, Yudania; Gurieva, Galina; Schorr, Susan; Arushanov, Ernest; Perez Rodriguez, Alejandro; Izquierdo Roca, Víctor; Guc, Maxim (2023-01-01)
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Open AccessThe thermal stability of the Cu2ZnSnSe4 (CZTSe) absorber and CdS buffer layers in SLG/Mo/CZTSe/CdS/i-ZnO/ITO devices is explored by performing a series of soft (~200 °C) post deposition treatments (PDTs). A comprehensive ... -
Transition metal oxides for kesterite solar cells developed on transparent substrates
Becerril Romero, Ignacio; Sylla, Dioulde; Placidi, Marcel Jose; Sánchez González, Yudania; Andrade Arvizu, Jacob; Izquierdo Roca, Víctor; Guc, Maxim; Pérez Rodríguez, Alejandro; Grini, Sigbjørn; Vines, Lasse; Pusay Villarroel, Benjamín Andrés; Almache Hernández, Rosa Estefanía; Puigdollers i González, Joaquim; Pistor, Jan Paul; Saucedo Silva, Edgardo Ademar; Espindola Rodríguez, Moisés (2020-07-01)
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Open AccessFabrication on transparent soda-lime glass/fluorine-doped tin oxide (FTO) substrates opens the way to advanced applications for kesterite solar cells such as semitransparent, bifacial, and tandem devices, which are key to ...