Now showing items 1-15 of 15

  • A critical analysis on the role of back surface passivation for a-Si/c-Si heterojunction solar cells 

    Chatterji, N; Khatavkar, Sanchit; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Puigdollers i González, Joaquim; Mohan Arora, Brij; Antony, Aldrin; Naip, Praadep R (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference lecture
    Restricted access - publisher's policy
    Back surface passivation is a well-known method to reduce carrier recombination and hence improves the efficiency of crystalline silicon solar cells. In this manuscript, we critically analyze the role of this process for ...
  • Base contacts and selective emitters processed by laser doping technique for p-type IBC c-Si solar cells 

    López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Orpella García, Alberto; Alcubilla González, Ramón (2015-08-28)
    Article
    Open Access
    Abstract In this work, we describe a novel fabrication process of p-type interdigitated back contact (IBC) silicon solar developed by means of laser doping and laser firing techniques. We use dielectric layers both as ...
  • Desarrollo de tecnologías de baja temperatura para la fabricación de células solares de heterounión de silicio 

    Morales Vilches, Ana Belén (Universitat Politècnica de Catalunya, 2015-07-23)
    Doctoral thesis
    Open Access
    El desarrollo de la tecnología fotovoltaica de silicio cristalino ha llegado al punto en que la mejora de los dispositivos pasa, no tanto por un aumento de la eficiencia, como por la reducción del coste de fabricación. En ...
  • Emitter formation using laser doping technique on n- and p-type c-Si substrates 

    López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Colina Brito, Mónica Alejandra; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Orpella García, Alberto; Alcubilla González, Ramón (2015-05-01)
    Article
    Open Access
    In this work laser doping technique is used to create highly-doped regions defined in a point-like structure to form n+/p and p+/n junctions applying a pulsed Nd-YAG 1064 nm laser in the n ...
  • Laser Induced Forward Transfer for front contact improvement in silicon heterojunction solar cells 

    Colina Brito, Mónica Alejandra; Morales Vilches, Ana Belén; Voz Sánchez, Cristóbal; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Alcubilla González, Ramón (2015-05-01)
    Article
    Open Access
    In this work the Laser Induced Forward Transfer (LIFT) technique is investigated to create n-doped regions on p-type c-Si substrates. The precursor source of LIFT consisted in a phosphorous-do ...
  • Low surface recombination in silicon-heterojunction solar cells with rear laser-fired contacts from aluminum foils 

    Colina Brito, Mónica Alejandra; Morales Vilches, Ana Belén; Voz Sánchez, Cristóbal; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón (2015-05-01)
    Article
    Open Access
    In this study, an approach to create laser-fired contacts from aluminum foils is studied on p-type silicon-heterojunction solar cells. This alternative approach consists of the use of aluminum foils instead of evaporated ...
  • Optimització de la pintura blanca com a reflector posterior per a cèl·lules solars fotovoltaiques 

    Morales Vilches, Ana Belén (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2012-01)
    Master thesis
    Restricted access - confidentiality agreement
  • Optimization of laser doping processes for the creation of p+ regions from solid dopant sources 

    Colina Brito, Mónica Alejandra; Martín García, Isidro; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Orpella García, Alberto; Alcubilla González, Ramón; Sanchez Aniorte, Maria Isabel; Molpeceres Alvarez, Carlos (2012)
    Conference report
    Restricted access - publisher's policy
  • Optimization of laser micro-doping processes for silicon photovoltaic applications 

    Colina Brito, Mónica Alejandra; Martín García, Isidro; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Ortega Villasclaras, Pablo Rafael; López, Gema; García Molina, Francisco Miguel; Orpella García, Alberto; Muñoz Martín, D.; Sánchez Aniorte, M. Isabel; Molpeceres Alvarez, Carlos; Alcubilla González, Ramón (2013)
    Conference lecture
    Restricted access - publisher's policy
  • Optimization of laser processes for local rear contacting of passivated silicon solar cells 

    Colina Brito, Mónica Alejandra; Martín García, Isidro; Voz Sánchez, Cristóbal; Morales Vilches, Ana Belén; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; García Molina, Francisco Miguel; Alcubilla González, Ramón (2014-01-31)
    Article
    Restricted access - publisher's policy
    Laser Firing Contact (LFC) and Laser Doping (LD) have become potential alternatives to the Al BSF thermal processing conventionally used in p-type c-Si solar cell rear contacts. Optimized LFC and LD processes allow, not ...
  • 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
    Restricted access - publisher's policy
    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)
    Conference lecture
    Restricted access - publisher's policy
  • 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
    Open Access
    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 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)
    Other
    Restricted access - publisher's policy
  • 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
    Open Access
    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 ...