Now showing items 1-11 of 11

    • Bifacial heterojunction silicon solar cells by Hot-Wire CVD with open circuit voltage exceeding 600 mV 

      Voz Sánchez, Cristóbal; Muñoz Cervantes, Delfina; Fonrodona, Marta; Martín García, Isidro; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Escarré, Jordi; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi (2006-07)
      Article
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      Double-sided (bifacial) heterojunction silicon solar cells have been fabricated by Hot-Wire CVD on both p- and n-type crystalline silicon substrates. In these devices, doped microcrystalline silicon layers are combined ...
    • Characterization of bifacial heterojunction Silicon solar cells obtained by Hot-Wire CVD 

      Muñoz Cervantes, Delfina; Voz Sánchez, Cristóbal; Fonrodona, Marta; Garin Escriva, Moises; Orpella García, Alberto; Vetter, Michael; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Villar, F; Bertoeu, J; Andreu Batallé, Jordi (2006-07)
      Article
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      In this work, we study bifacial heterojunction silicon solar cells fabricated by hot-wire CVD on both p- and n-type crystalline silicon substrates. In these devices, hydrogenated microcrystalline silicon doped layers are ...
    • Development of LASER fired contacts on silicon heterojunction solar cells for the application to rear contact structures 

      Muñoz Cervantes, Delfina; Desrues, T.; Ribeyron, P.J.; Orpella García, Alberto; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2010-04)
      Article
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      In this work, we present our progress in contacting both doped and undoped a-Si:H layers using a LASER tool and show some applications for three different HJ solar cell designs: standard (p-type), rear emitter (n-type) and ...
    • Development of laser-fired contacts for amorphous silicon layers obtained by Hot-Wire CVD 

      Muñoz Cervantes, Delfina; Voz Sánchez, Cristóbal; Blanqué, Servane; Ibarz, D; Bertomeu Balaguero, Joan; Alcubilla González, Ramón (2009-03)
      Article
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      In this work we study aluminium laser-fired contacts for intrinsic amorphous silicon layers deposited by Hot-Wire CVD. This structure could be used as an alternative low temperature back contact for rear passivated ...
    • Low temperature back-surface-field contacts deposited by hot-wire CVD for heterojunction solar cells 

      Muñoz Cervantes, Delfina; Voz Sánchez, Cristóbal; Martín García, Isidro; Orpella García, Alberto; Alcubilla González, Ramón; Villar, F; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi; Roca-I-Cabarrocas, P (2008-08)
      Article
      Open Access
      The growing interest in using thinner wafers (< 200 µm) requires the development of low temperature passivation strategies for the back contact of heterojunction solar cells. In this work, we investigate low temperature ...
    • 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)
      Article
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      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 ...
    • Progress in a-Si:H/c-Si heterojunction emitters obtained by Hot-Wire CVD at 200 °C 

      Muñoz Cervantes, Delfina; Voz Sánchez, Cristóbal; Martín García, Isidro; Orpella García, Alberto; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Villar, F; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi; Damon-Lacoste, J; Cabarrocas, Roca I P (2008-01)
      Article
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      In this work, we investigate heterojunction emitters deposited by Hot-Wire CVD on p-type crystalline silicon. The emitter structure consists of an n-doped film (20 nm) combined with a thin intrinsic hydrogenated amorphous ...
    • Recombination rates in heterojunction silicon solar cells analyzed by impedance spectroscopy at forward bias and under 

      Mora-Seró, I; Luo, Y; Garcia Belmonte, G; Bisquert, J; Muñoz Cervantes, Delfina; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón (2007-12)
      Article
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      Impedance spectroscopy (at forward bias and under illumination) of solar cells comprised thin hydrogenated amorphous silicon (a-Si:H) films deposited on crystalline silicon (c-Si) wafers was analyzed in terms of ac equivalent ...
    • Silicon heterojunction solar cells obtained by Hot-Wire CVD 

      Muñoz Cervantes, Delfina (Universitat Politècnica de Catalunya, 2008-07-21)
      Doctoral thesis
      Open Access
      El elevado coste de producción de los módulos de silicio cristalino (c-Si) dificulta el progreso de la industria fotovoltaica como una alternativa viable para la producción de energía limpia. Por esta razón, los fabricantes ...
    • Status of the EU FP7 HERCULES project: what is the potential of n-type silicon solar cells in europe? 

      Muñoz Cervantes, Delfina; Ribeyron, P.J.; Harrison, S.; Allebe, C.; Descoeudres, A.; Despeisse, M.; Reichel, C.; Glunz, S. W.; Peibst, R.; Merkle, A.; Nielsen, O.; Martín García, Isidro; Mihailetchi, V.; Demaurex, B.; de Wolf, S. (European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), 2016)
      Conference report
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      The concept proposed by the HERCULES project is to develop innovative n-type monocrystalline c-Si device structures based on both sides' contacted silicon heterojunction (SHJ) solar cells, on interdigitated back-contact ...
    • Very low surface recombination velocity of crystalline silicon passivated by phosphorus-doped a-SiCxNy:H(n) alloys 

      Ferre, R; Orpella García, Alberto; Muñoz Cervantes, Delfina; Martín García, Isidro; Recart, F; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Cabarrocas, Roca I P; Alcubilla González, Ramón (2008-03)
      Article
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      Hydrogenated and phosphorus-doped amorphous silicon carbonitride films (a-SiCxNy:H(n)) were deposited by plasma-enhanced chemical vapor deposition (PECVD) on crystalline silicon surface in order to explore surface passivation ...