Ara es mostren els items 37-48 de 48

    • P-type c-Si solar cells based on rear side laser processing of Al 2O 3/SiC x stacks 

      Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Colina Brito, Mónica Alejandra; Orpella García, Alberto; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2012-11)
      Article
      Accés restringit per política de l'editorial
      In this work, we further investigate a new strategy to passivate and contact the rear side of p-type c-Si solar cells based on the laser processing of aluminum oxide (Al2O3)/amorphous silicon carbide (SiCx) stacks before ...
    • Rear contact pattern optimization based on 3D simulations for IBC solar cells with point-like doped contacts 

      Carrió Díaz, David; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; López González, Juan Miguel; Orpella García, Alberto; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2014-09)
      Article
      Accés restringit per política de l'editorial
      In this work 3D simulations are used to study the impact of technological parameters on device performance of c-Si interdigitated back-contacted IBC solar cells with point-like doped contacts. In these cells, the highly-doped ...
    • Recovery of indium-tin-oxide/silicon heterojunction solar cells by thermal annealing 

      Morales Vilches, Ana Belén; Voz Sánchez, Cristóbal; Colina Brito, Mónica Alejandra; López Rodríguez, Gema; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; Alcubilla González, Ramón (2014-01-31)
      Article
      Accés restringit per política de l'editorial
      The emitter of silicon heterojunction solar cells consists of very thin hydrogenated amorphous silicon layers deposited at low temperature. The high sheet resistance of this type of emitter requires a transparent conductive ...
    • Silicon nitride layers for DopLa-IBC solar cells 

      Méndez Puertas, Jesús A.; Martín García, Isidro; López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; Alcubilla González, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work, we report on the development of silicon nitride (SiNx) layers to be applied to crystalline silicon high-efficiency solar cells. In particular, our research group has developed the concept of Doped by Laser ...
    • Silicon solar cells with heterojunction emitters and laser processed base contacts 

      Jin, Chen; Martín García, Isidro; López Rodríguez, Gema; Harrison, S.; Masmitjà Rusiñol, Gerard; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón (Elsevier, 2017)
      Comunicació de congrés
      Accés obert
      In this work, we report on a novel structure of Interdigitated Back-Contacted (IBC) solar cells on c-Si p-type substrates that combines laser processed homojunction base contacts and silicon heterojunction ...
    • Strategies for high fill factor and open-circuit voltage in low-doped c-Ge TPV cells with partially contacted surfaces using 3D simulations 

      Gamel, Mansur Mohammed Ali; Shojaei, David; López Rodríguez, Gema; Garin Escriva, Moises; Martín García, Isidro (2023)
      Comunicació de congrés
      Accés obert
      Dielectric passivated surfaces provide excellent surface recombination properties while point-like contacts are defined to locally extract the current. In this solution, the distance between contacts, or pitch, is critical ...
    • Study of the surface recombination velocity for ultraviolet and visible laser-fired contacts applied to silicon heterojunction solar cells 

      Morales Vilches, Ana Belén; Voz Sánchez, Cristóbal; Colina Brito, Mónica Alejandra; Muñoz Martín, D.; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Molpeceres Alvarez, Carlos; Alcubilla González, Ramón (2015-07-01)
      Article
      Accés obert
      In this study, we investigate the effect of the laser-firing process on the back surface passivation of p-type silicon heterojunction solar cells. For that purpose, two different nanosecond laser sources radiating at ...
    • Surface passivation and optical characterization of Al2O3/a-SiCx stacks on c-Si substrates 

      López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal; Martín García, Isidro; Colina Brito, Mónica Alejandra; Morales Vilches, Ana Belén; Orpella García, Alberto; Alcubilla González, Ramón (2013-11-06)
      Article
      Accés obert
      The aim of this work is to study the surface passivation of aluminum oxide/amorphous silicon carbide (Al2O3/a-SiCx) stacks on both p-type and n-type crystalline silicon (c-Si) substrates as well as the optical characterization ...
    • TCO-free low-temperature p+ emitters for back-junction c-Si solar cells 

      Martín García, Isidro; Coll Valentí, Arnau; López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Desrues, Thibaut; Orpella García, Alberto; Alcubilla González, Ramón (Elsevier, 2015-08-28)
      Article
      Accés obert
      In this work, we report on the fabrication and characterization of n-type c-Si solar cells whose p+ emitters are based on laser processed aluminum oxide/silicon carbide (Al2O3/SiCx) films. The p+ emitter is defined at the ...
    • Textured PDMS films applied to thin crystalline silicon solar cells 

      Rosell, Arnau; Martín García, Isidro; Garin Escriva, Moises; López Rodríguez, Gema; Alcubilla González, Ramón (2019-12-18)
      Article
      Accés obert
      Front surface texturization is a standard procedure used to improve optical properties of photovoltaic devices. In some particular cases, such as when dealing with ultrathin substrates, common texturization techniques can ...
    • 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)
      Article
      Accés obert
      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 ...
    • Thin IBC c-Si solar cells based on conventional technologies 

      Jin, Chen; Martín García, Isidro; Calle Martín, Eric; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Alcubilla González, Ramón (WIP Renewable Energies, 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Reducing the wafer thickness for c-Si solar cell fabrication is an effective approach for cost-savings. Interdigitated Back Contacts (IBC) technology is a promising candidate to be applied to thin c-Si substrates due to ...