• Células fotovoltaicas con un rendimiento del 20.5% 

      Alcubilla González, Ramón; García Molina, Francisco Miguel; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Orpella García, Alberto; Martín García, Isidro; Colina, M.; Voz Sánchez, Cristóbal; Bermejo Broto, Sandra; Puigdollers i González, Joaquim (Grupo Acorde Comunicación (GAC), 2011-03-01)
      Article
      Accés restringit per política de l'editorial
      Un grupo de investigadores de la Universitat Politècnica de Catalunya (UPC) han desarrollado un proceso de fabricación que permite obtener rendimientos de conversión fotovoltaicos del 20,5%. Esto supone una mejora sustancial ...
    • Crystalline silicon solar cells beyond 20% efficiency 

      Alcubilla González, Ramón; García Molina, Francisco Miguel; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Orpella García, Alberto; Martín García, Isidro; Colina, M.; Voz Sánchez, Cristóbal; Bermejo Broto, Sandra; Puigdollers i González, Joaquim (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés obert
      —This paper describes a fabrication process to obtain high efficiency c-Si cells (> 20%) based on the Laser Fired Contact Passivated Emitter Rear Cell (LFC-PERC) concept. Photovoltaic efficiencies beyond 20% have ...
    • Laser-fired contact optimization in c-Si solar cells 

      Alcubilla González, Ramón; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; Martín García, Isidro; Colina, M.; López Rodríguez, Gema; Voz Sánchez, Cristóbal; Sánchez, Isabel; Molpeceres, Carlos (2011-04-15)
      Article
      Accés restringit per política de l'editorial
      In this work we study the optimization of laser-fired contact (LFC) processing parameters, namely laser power and number of pulses, based on the electrical resistance measurement of an aluminum single LFC point. LFC process ...
    • Optimization of laser processes in n+Emitter formation for c-Si solar cells 

      Orpella García, Alberto; Martín García, Isidro; Blanqué, Servane; Voz Sánchez, Cristóbal; Sánchez, I.; Colina, M.; Molpeceres, C.; Alcubilla González, Ramón (2009-09)
      Text en actes de congrés
      Accés obert
      Punctual phosphorus diffused emitters were achieved by laser patterning phosphorus doped a-SiCx:H films deposited by PECVD as a doping source. Two different lasers at wavelengths of 1064 nm and 532 nm were used. Phosphorus ...
    • Optimization of the rear point contact scheme of crystalline silicon solar cells using laser-fired contacts 

      Molpeceres, C.; Perales Lorente, José Francisco; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; López, Gema; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Sánchez, Isabel; Colina, M. (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper is focused on the optimization of the rear contact scheme of p-type c-Si LFC-PERC high efficiency solar cells minimizing base ohmic losses without jeopardize rear passivation. This is carried out optimizing on ...