Articles de revista: Enviaments recents

Ara es mostren els items 13-24 de 346

    • Does Sb2Se3 admit nonstoichiometric conditions? How modifying the overall se content affects the structural, optical, and optoelectronic properties of Sb2Se3 thin films 

      Caño Prades, Ivan; Vidal Fuentes, Pedro; Calvo Barrio, Lorenzo; Alcobé Olle, Xavier; Giraldo, Sergio; Sánchez González, Yudania; Jehl Li-Kao, Zacharie; Placidi, Marcel Jose; Puigdollers i González, Joaquim; Izquierdo Roca, Víctor; Saucedo Silva, Edgardo Ademar; Asensi López, José Miguel (2022-03-09)
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      Sb2Se3 is a quasi-one-dimensional (1D) semiconductor, which has shown great promise in photovoltaics. However, its performance is currently limited by a high Voc deficit. Therefore, it is necessary to explore new strategies ...

    • Atomic layer deposition of vanadium oxide films for crystalline silicon solar cells 

      Ros Costals, Eloi; Masmitjà Rusiñol, Gerard; Almache Hernández, Rosa Estefanía; Pusay Villarroel, Benjamín Andrés; Tiwari, Kunal Jogendra; Saucedo Silva, Edgardo Ademar; Justin Raj, Chellan; Chul Kim, Byung; Puigdollers i González, Joaquim; Martín García, Isidro; Voz Sánchez, Cristóbal; Ortega Villasclaras, Pablo Rafael (Royal Society of Chemistry (RSC), 2022)
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      Transition metal oxides (TMOs) are promising materials to develop selective contacts on high-efficiency crystalline silicon solar cells. Nevertheless, the standard deposition technique used for TMOs is thermal evaporation, ...

    • Influence of wavelength and pulse duration on the selective laser ablation of WOx, VOx and MoOx thin films 

      Muñoz García, Cristina; Canteli, David; Lauzurica, Sara; Morales, Miguel; Molpeceres Alvarez, Carlos; Ros Costals, Eloi; Ortega Villasclaras, Pablo Rafael; López González, Juan Miguel; Voz Sánchez, Cristóbal (Elsevier, 2022-02-01)
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      In this paper, we present a study of the laser scribing of WOx, VOx, and MoOx films, deposited onto crystalline silicon, with three different wavelengths (355 nm, 532 nm, and 1064 nm) and in two temporal regimes in pulse ...

    • Numerical investigation of interface passivation strategies for Sb2Se3/CdS solar cells 

      Gon Medaille, Axel; Tiwari, Kunal Jogendra; Giraldo, Sergio; Placidi, Marcel Jose; Saucedo Silva, Edgardo Ademar; Jehl Li-Kao, Zacharie (Wiley, 2021-11-24)
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      Sb2Se3 is an emerging earth-abundant material praised for its promising optoelectronic properties, although the presence of interfacial defects at the vicinity of the p–n junction limit its performance as photovoltaic ...

    • 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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      This 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 ...

    • 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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      The 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 ...

    • Insights on the limiting factors of Cu2ZnGeSe4 based solar cells 

      Anefnaf, Ikram; Aazou, Safae; Vidal Fuentes, Pedro; Fonoll Rubio, Robert; Tiwari, Ashish Kumar; Jehl Li-Kao, Zacharie; Guc, Maxim; Saucedo Silva, Edgardo Ademar; Sekkat, Zouheir (2021-08-01)
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      Germanium-based wide band gap kesterite semiconductor Cu2ZnGe(S,Se)4 (CZGeSSe) is considered a very promising absorber compound as top cell in tandem devices. Autonomy to tailor the band gap from ~1.47 eV (Cu2ZnGeSe4-CZGeSe) ...

    • An accurate physical model for PV modules with improved approximations of series-shunt resistances 

      Raya Armenta, Jose Maurilio; Ortega Villasclaras, Pablo Rafael; Bazmohammadi, Najmeh; Spataru, Sergiu V.; Vasquez, Juan Carlos; Guerrero, Josep M. (2021-05)
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      An accurate model to represent the photovoltaic modules is essential to facilitate the efficient deployment of these systems in terms of design, analysis, and monitoring considerations. In this respect, this study proposes ...

    • The Mars Environmental Dynamics Analyzer, MEDA: a suite of environmental sensors for the Mars 2020 mission 

      Rodríguez Manfredi, José Antonio; De la Torre Juárez, M.; Alonso, A.; Apéstigue Palacio, Víctor; Arruego Rodríguez, Ignacio; Atienza, T.; Banfield, D.; Boland, J.; Carrera, M.A.; Castañer Muñoz, Luis María; Ceballos, J.; Chen-Chen, H.; Domínguez Pumar, Manuel; López Rodríguez, Gema; Jiménez Serres, Vicente (2021-04)
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      NASA’s Mars 2020 (M2020) rover mission includes a suite of sensors to monitor current environmental conditions near the surface of Mars and to constrain bulk aerosol properties from changes in atmospheric radiation at the ...

    • Towards the bisbenzothienocarbazole core: a route of sulfurated carbazole derivatives with assorted optoelectronic properties and applications 

      Bujaldón Carbó, Roger; Puigdollers i González, Joaquim; Velasco Castrillo, Maria Dolores (Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-23)
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      Ladder-type molecules, which possess an extended aromatic backbone, are particularly sought within the optoelectronic field. In view of the potential of the 14H-bis[1]benzothieno[3,2-b:2’,3’-h]carbazole core as a p-type ...

    • LIFT front-contact metallization of silicon solar cells 

      Canteli, David; Muñoz García, Cristina; Ortega Villasclaras, Pablo Rafael; Ros Costals, Eloi; Morales, Miguel; Lauzurica, Sara; Voz Sánchez, Cristóbal; Molpeceres Alvarez, Carlos (2021-08)
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      Laser-Induced Forward Transfer (LIFT) is a very versatile technique, allowing the selective transfer of a wide range of materials with no contact and high accuracy. This work includes the analysis of heterojunction silicon ...

    • Protonated nickel 2-methylimidazole framework as an advanced electrode material for high-performance hybrid supercapacitor 

      Kale, A.M.; Manikandan, Ramu; Justin Raj, Chellan; Savariraj, A. Denninson; Voz Sánchez, Cristóbal; Kim, B.C. (2021-09-01)
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      Metal-organic frameworks (MOFs) with high conductivity have proven to be an exciting electrode material for energy storage devices. However, most of the MOFs exhibit a low electrical conductivity, which limits their use ...