Enviaments recents

  • Comparison of simulation models for Perovskite solar cells 

    Silvestre Bergés, Santiago; Mas-Marza, Elena; Puigdollers i González, Joaquim; Fabregat-Santiago, Francisco; Alfonso, Valero G (WIP Renewable Energies, 2016)
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    In this work, a comparison of two models for the simulation of the electrical behavior of perovskite solar cells is presented. The two models considered are the well-known one diode model and an analytical model recently ...
  • A statistical based approach for fault detection and diagnosis in a photovoltaic system 

    Garoudja, Elyes; harrou, fouzi; Sun, Ying; kara, kamel; Chouder, Aissa; Silvestre Bergés, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    Accés obert
    This paper reports a development of a statistical approach for fault detection and diagnosis in a PV system. Specifically, the overarching goal of this work is to early detect and identify faults on the DC side of a PV ...
  • 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)
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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 ...
  • Interdigitated back contacted c-Si(p) solar cells with photovoltaic efficiencies beyond 22% 

    Calle Prado, Eric; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Martín García, Isidro; Carrió, David; Masmitjà Rusiñol, Gerard; Voz Sánchez, Cristóbal; Orpella García, Alberto; Puigdollers i González, Joaquim; Alcubilla González, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    In this work we show a baseline fabrication process of interdigitated back contacted IBC c-Si(p) solar cells, which combines conventional diffusion oven stages to define base p+ and emitter n+/n++ regions at the back side, ...
  • Improving a nozzle tip with a guard ring for an electrospray system 

    Veliz Noboa, Bremnen Marino; Bermejo Broto, Sandra; Castañer Muñoz, Luis María (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    The Electrospray technique allows the formation of small droplets from aqueous solutions that may contain nanoparticles of different materials in suspension, leading to the deposition of layers of the nanoparticles. The ...
  • Development of gas sensors based in photonic cristal slabs 

    Yoosefi, Oraman; Yahyapour, MJ; Segura García, Daniel; Vega Bru, Didac; Dios Otín, Víctor Federico; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    This work describes an innovative application of structures of photonic crystal slabs for gas sensors. Structures consisting in double ring have been studied by simulation. Their working mechanism is based in the effect ...
  • Long-term stability of Al2O3 passivated black silicon 

    Calle, Eric; Ortega Villasclaras, Pablo Rafael; von Gastrow, Guillaume; Martín García, Isidro; Savin, Hele; Alcubilla González, Ramón (Elsevier, 2016)
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    In this work we report on the long-term stability of black silicon surfaces passivated with atomic layer deposited (ALD) 20 nm thick Al2O3 films on p- and n-type FZ c-Si substrates. The results are directly compared with ...
  • IBC n-type C-Si solar cells based on laser doping processing for selective emitter and base contact formation 

    Masmitjà Rusiñol, Gerard; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2016)
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    Accés obert
  • Efficient fault detection and diagnosis procedure for photovoltaic systems 

    Garoudja, Elyes; KARA, KAMEL; Chouder, Aissa; Silvestre Bergés, Santiago; Kichou, Sofiane (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    This paper proposes a simple method to detect and diagnose short circuits and open circuits faults in photovoltaic (PV) systems based on the evaluation of three coefficients. The proposed method consists fundamentally on ...
  • Status of the EU FP7 HERCULES project: what is the potential of n-type silicon solar cells in europe? 

    Muñoz Cervantes, Delfina; Ribeyron, P.J.; Harrison, S.; Allebe, C.; Descoeudres, A.; Despeisse, M.; Reichel, C.; Glunz, S. W.; Peibst, R.; Merkle, A.; Nielsen, O.; Martín García, Isidro; Mihailetchi, V.; Demaurex, B.; de Wolf, S. (European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), 2016)
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    The concept proposed by the HERCULES project is to develop innovative n-type monocrystalline c-Si device structures based on both sides' contacted silicon heterojunction (SHJ) solar cells, on interdigitated back-contact ...
  • Intermediate amorphous silicon layer for crystalline silicon passivation with alumina 

    García Valenzuela, J. A.; Caballero Lorenzo, Álvaro; Asensi, J.M.; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi; Gerling Sarabia, Luis Guillermo; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal (WIP Wirtschaft und Infrastruktur GmbH & Co. Planungs-KG, 2015)
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    The passivation of silicon surfaces is required to reach high-efficiency with most of modern solar cell device structures. It has been demonstrated that the deposition of charged dielectric layers such a-SiNx:H or Al2O3 ...
  • Single-Step multiple-layers wafer slicing from macroporous silicon 

    Garin Escriva, Moises; Hernández García, David; Todorov Trifonov, Trifon; Cardador Maza, David; Alcubilla González, Ramón (2013)
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    There is a rising interest, from both photovoltaics and microelectronics industry, in wafer thickness reduction. During the last decade, it has been steadily reduced from 350 µm to 180 µm, but benefits are foreseen for ...

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