Ara es mostren els items 74-93 de 117

    • Microscale characterization of surface recombination at the vicinity of laser-processed regions in c-Si solar cells 

      Roige, A; Osso, J.O; Martín García, Isidro; Voz Sánchez, Cristóbal; Ortega Villasclaras, Pablo Rafael; López González, Juan Miguel; Alcubilla González, Ramón; Vega, L. F (2016-03-01)
      Article
      Accés obert
      Laser firing processes have emerged as a technologically feasible approach for the fabrication of local point contacts or local doped regions in advanced high-efficiency crystalline-Si (c-Si) solar cells. In this work, we ...
    • Microscale spatially resolved characterization of highly doped regions in laser-fired contacts for high-efficiency crystalline Si solar cells 

      Roige, A; Alvarez, J; Kleider, J.P.; Martín García, Isidro; Alcubilla González, Ramón; Vega, L. F (2015-03-01)
      Article
      Accés obert
      Laser-fired contact (LFC) processes have emerged as a promising approach to create rear local electric contacts in p-type crystalline silicon solar cells. Although this approach has been successfully applied in devices ...
    • Multicrystalline silicon thin-film solar cells based on vanadium oxide heterojunction and laser-doped contacts 

      Martín García, Isidro; López Rodríguez, Gema; Plentz, Jonathan; Jin, Chen; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Gawlik, Annet; Jia, Guobin; Andrä, Gudrun (2019-10)
      Article
      Accés obert
      Liquid phase crystallized (LPC) silicon thin films on glass substrates are a feasible alternative to conventional crystalline silicon (c-Si) wafers for solar cells. Due to substrate limitation, a low-temperature technology ...
    • N-type doping of SiC-passivated Ge by pulsed laser melting towards the development of interdigitated back contact thermophotovoltaic devices 

      Jiménez Pagán, Alba; Napolitani, Enrico; Datas Medina, Alejandro; Martín García, Isidro; López Rodríguez, Gema; Cabrero Piris, Mariona; Sgarbossa, Francesco; Milazzo, Ruggero; Carturan, Sara Maria; De Salvador, Davide; López García, Iñaki; Ryu, Yu Kyoung; Martinez Rodrigo, Javier; del Cañizo Nadal, Carlos (2022-01-01)
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      Accés obert
      In this article, a method for phosphorous (n-type) doping of germanium based on spin-on dopant sources and Pulsed Laser Melting (PLM) throughout an amorphous silicon carbide (a-SixC1-x:H) layer, which provides both surface ...
    • N-Type emitter surface passivaion in C-Si solar cells by means of antireflective amorphous Silicon Carbide layers 

      Ferré Tomas, Rafel; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Vetter, Michael; Torres, I; Alcubilla González, Ramón (American Institute of Physics (AIP), 2006-10)
      Article
      Accés restringit per política de l'editorial
      Emitter saturation current densities (JOe) of phosphorus-diffused planar c-Si solar cell emitters passivated by silicon carbide (SiCx) layers have been determined in a wide sheet resistance range (20–500O/sq). Phosphorus ...
    • n-type emitter surface passivation in c-Si solar cells by means of antireflective amorphous silicon carbide layers 

      Ferré Tomas, Rafel; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Vetter, Michael; Torres, I.; Alcubilla González, Ramón (American Institute of Physics, 2006-10-05)
      Article
      Accés restringit per política de l'editorial
      Emitter saturation current densities (JOe) of phosphorus-diffused planar c-Si solar cell emitters passivated by silicon carbide (SiCx) layers have been determined in a wide sheet resistance range (20-500 Ω/sp). Phosphorus ...
    • N-type emitters passivation through antireflective phosphorus doped a-SiCxNy:H(n) stacks 

      Orpella García, Alberto; Blanqué, Servane; Roiati, V.; Martín García, Isidro; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-02-11)
      Text en actes de congrés
      Accés obert
      This paper studies the passivation of industrially textured deep silicon emitters using amorphous silicon carbonitride layers in stack configuration, deposited by plasma enhanced chemical vapor deposition. With this ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Numerical simulations of rear point-contacted solar cells pn 2.2 Wcm p-type c-Si substrates 

      López González, Juan Miguel; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Orpella García, Alberto; Alcubilla González, Ramón (2013-07)
      Article
      Accés obert
      Rear surface of high-efficiency crystalline silicon solar cells is based on a combination of dielectric passivation and point-like contacts. In this work, we develop a 3D model for these devices based on 2.2 Ωcm p-type ...
    • Observation of photovoltaic effect within locally doped silicon nanojunctions using conductive probe AFM 

      Khoury, R.; Alvarez, José; Ohashi, T.; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Jin, Chen; Li, J.; Rusli, E.; Bulkin, P.; Johnson, E. V. (2020-10-01)
      Article
      Accés obert
      Localized p-doped nanojunctions (200–300 nm in diameter) were formed in n-type crystalline silicon substrates and were characterized using scanning electron microscopy (SEM) and conductive-probe atomic force microscopy ...
    • On the observation of electron-hole liquid luminescence under low excitation in Al2O3-passivated c-Si wafers 

      Roige, A; Fernandez Tejero, Javier; Osso, J.O; Goni, A.R; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Vega, L. F (2014-11-01)
      Article
      Accés restringit per política de l'editorial
      We report on low-temperature photoluminescence (PL) from aluminum oxide (Al2O3)-passivated c-Si wafers, which surprisingly exhibits clear signature of the formation of the so-called electron-hole liquid (EHL), despite the ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • 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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • 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
      Accés restringit per política de l'editorial
      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 ...
    • 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 ...
    • Optoelectronic devices based on evaporated pentacene films 

      Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Martín García, Isidro; Muñoz Cervantes, Delfina; Orpella García, Alberto; Vetter, Michael; Alcubilla González, Ramón (2005-01)
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      Accés restringit per política de l'editorial
      Aluminium/pentacene Schottky diodes have been fabricated on glass substrates. An ohmic, transparent front contact was prepared by sputtering a highly conductive indium–tin-oxide layer. The pentacene layer was evaporated ...
    • 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
      Accés restringit per política de l'editorial
      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 ...
    • Pentacene thin-film transistors on polymeric gate dielectric: device fabrication and electrical characterization 

      Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Martín García, Isidro; Orpella García, Alberto; Vetter, Michael; Alcubilla González, Ramón (2004-06)
      Article
      Accés restringit per política de l'editorial
      Pentacene thin-film transistors using polymethyl methacrylate as a gate dielectric have been fabricated. A bottom gate, inverted staggered structure was selected to study the influence of the dielectric on the device ...