Now showing items 21-33 of 33

  • 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 ...
  • New laser-based approaches to improve the passivation and rear contact quality in high efficiency crystalline silicon solar cells 

    Molpeceres Alvarez, Carlos; Colina Brito, Mónica Alejandra; Muñoz Martín, D.; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Sánchez Aniorte, M. Isabel; Morales, Miguel; Lauzurica, Sara; García Ballesteros, Juan J.; Voz Sánchez, Cristóbal; López Rodríguez, Gema; Alcubilla González, Ramón (2013)
    Conference report
    Restricted access - publisher's policy
  • Optimization of al2o3 films obtained by ald to passivate p-type c-silicon wafers 

    López Rodríguez, Gema; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; Colina Brito, Mónica Alejandra; Orpella García, Alberto; Alcubilla González, Ramón (2012)
    Conference report
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  • 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
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  • 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 ...
  • 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
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    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
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    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
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    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)
    Conference report
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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)
    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 ...
  • 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 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 ...
  • 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
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    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 ...