Ara es mostren els items 104-123 de 124

    • 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 ...
    • Recombination processes in passivated boron-implanted black silicon emitters 

      von Gastrow, Guillaume; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón; Husein, Sebastian; Nietzold, Tara; Bertoni, Mariana; Savin, Hele (American Institute of Physics (AIP), 2017-05-14)
      Article
      Accés obert
      In this paper, we study the recombination mechanisms in ion-implanted black silicon (bSi) emitters and discuss their advantages over diffused emitters. In the case of diffusion, the large bSi surface area increases emitter ...
    • 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 ...
    • Recovery of indium-tin-oxide/silicon heterojunction solar cells by thermal annealing 

      Morales Vilches, Ana Belén; Voz Sánchez, Cristóbal; Colina Brito, Mónica Alejandra; López, Gema; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; Alcubilla González, Ramón (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • SENSOSOL: MultiFOV 4-Quadrant high precision sun sensor for satellite attitude control 

      Delgado, Francisco J.; Quero Reboul, Jose Manuel; Garcia Ortega, Juan; López Tarrida, Cristina; Moreno, José M.; Sáez, Agustín G.; Ortega Villasclaras, Pablo Rafael (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The design, manufacturing and calibration of an improved miniaturized two axis sun sensor for satellite attitude control will be shown. The high precision is obtained by the subdivision of the field of view (FOV). The FOV ...
    • Shedding light on the negative differential resistance effect observed in organic thin-film transistors 

      Ros Costals, Eloi; Reig Canyelles, Marta; Voz Sánchez, Cristóbal; Bagdziunas, Gintautas; Ortega Villasclaras, Pablo Rafael; Velasco Castrillo, Maria Dolores; Puigdollers i González, Joaquim (2020-05-05)
      Article
      Accés obert
      Organic semiconductor electronics has the potential to become a solid and industrially feasible technology, with new and stimulating applications such as the flexible and transparent electronic devices. However, organic ...
    • Silicon heterjunction for advanced rear contact cells: main results of the SHARCC project 

      Desrues, T.; Martín García, Isidro; de Vecchi, S.; Abolmasov, S.; Diouf, D.; Lukyanov, A.; Ortega Villasclaras, Pablo Rafael; Colina Brito, Mónica Alejandra; Versavel, M.; Tuseau, M.; Souche, F.; Nychyporuk, T.; Gueunier-Farret, M.; Muñoz, D.; Lemiti, M.; Kleider, J.P.; Roca i Cabarrocas, P.; Alcubilla González, Ramón; Schlumberger, Y.; Ribeyron, P.J. (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the main results of a research project called SHARCC, focused on rear contacted silicon heterojunction solar cells. Within this project, funded by the French National Research Agency (ANR), different ...
    • 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
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      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 ...
    • Simulation study of tandems of perovskite and IBC c-Si solar cells 

      Silvestre Bergés, Santiago; Mas-Marza, Elena; Puigdollers i González, Joaquim; Fabregat Fillet, Jaume; Ortega Villasclaras, Pablo Rafael; Serra, Danielle (WIP Renewable Energies, 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work, the simulation results obtained for a tandem configuration of perovskite, as top cell, and Interdigitated Back-Contacted (IBC) c-Si as bottom cell are presented. Two different models were used for the modelling ...
    • 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 ...
    • Surface passivation and optical characterization of Al2O3/a-SiCx stacks on c-Si substrates 

      López Martí, 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)
      Altres
      Accés restringit per política de l'editorial
    • 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 ...
    • 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 ...
    • Towards photovoltaic powered artificial retina 

      Silvestre Bergés, Santiago; Bermejo Broto, Sandra; Guasch Murillo, Daniel; Ortega Villasclaras, Pablo Rafael; Castañer Muñoz, Luis María (2011)
      Article
      Accés obert
      The aim of this article is to provide an overview of current and future concepts in the field of retinal prostheses, and is focused on the power supply based on solar energy conversion; we introduce the possibility of using ...
    • Tracking control system using an incident radiation angle microsensor 

      Quero Reboul, José Ma.; Aracil Fernández, Carmen; García Franquelo, Leopoldo; Ricart Campos, Jordi; Ortega Villasclaras, Pablo Rafael; Domínguez Pumar, Manuel; Castañer Muñoz, Luis María; Osuna, Rafael (IEEE, 2007-01-27)
      Article
      Accés obert
      For some industrial applications, an accurate estimation of a light source position is needed. That is the case for a heliostat, a device that projects sunlight onto a focus hundreds of meters away from its aiming point. ...
    • Transition metal oxides as hole-selective contacts in silicon heterojunctions solar cells 

      Gerling Sarabia, Luis Guillermo; Mahato, Somnath; Morales-Vilches, Ana Belén; Masmitjà Rusiñol, Gerard; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim (2016-02-02)
      Article
      Accés obert
      This work reports on a comparative study comprising three transition metal oxides, MoO3, WO3 and V2O5, acting as front p-type contacts for n-type crystalline silicon heterojunction solar cells. Owing to their high work ...
    • Transport mechanisms in hyperdoped silicon solar cells 

      García Hernansanz, Rodrigo; Duarte Cano, Sebastián; Pérez Centeno, F; Caudevilla Gutiérrez, Daniel; Algaidy, S.; Garcia Hemme, E.; Olea Ariza, Javier; Pastor, D.; Del Prado, A.; San Andrés, E.; Martil, Ignacio; Ros Costals, Eloi; Puigdollers i González, Joaquim; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal (2022-11-16)
      Article
      Accés obert
      According to intermediate band (IB) theory, it is possible to increase the efficiency of a solar cell by boosting its ability to absorb low-energy photons. In this study, we used a hyperdoped semiconductor approach for ...
    • V2Ox-based hole-selective contacts for c-Si interdigitated back-contacted solar cells 

      Masmitjà Rusiñol, Gerard; Gerling Sarabia, Luis Guillermo; Ortega Villasclaras, Pablo Rafael; Puigdollers i González, Joaquim; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (Royal Society of Chemistry, 2017-04-06)
      Article
      Accés obert
      Over the last few years, transition metal oxide layers have been proposed as selective contacts both for electrons and holes and successfully applied to silicon solar cells. However, better published results need the use ...