Recent Submissions

  • 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)
    Conference lecture
    Open Access
    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 ...
  • DopLa solar cells with texturized front surface 

    Martín García, Isidro; Coll Valentí, Arnau; López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; López González, Juan Miguel; Alcubilla González, Ramón (Elsevier, 2016)
    Conference report
    Open Access
    In this work, we report on improving efficiency of DopLa cells fabricated on p-type substrates. This type of solar cells has all the highly-doped regions based on laser doping from dielectric films resulting in a very ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
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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)
    Conference lecture
    Restricted access - publisher's policy
    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)
    Conference lecture
    Open Access
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...

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