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Ara es mostren els items 53-72 de 150

    • High efficiency interdigitated back-contact c-Si solar cells 

      Calle Martín, Eric; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Martín García, Isidro; Carrió Díaz, David; Voz Sánchez, Cristóbal; Orpella García, Alberto; Puigdollers i González, Joaquim; Alcubilla González, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      In this work we describe a baseline fabrication process of interdigitated-back-contact c-Si(p) solar cells, which combines conventional diffusion oven stages to define base p+ and emitter n+ regions at the backside, with ...

    • High efficiency ITO-free hybrid solar cell using highly conductive PEDOT:PSS with co-solvent and surfactant treatments 

      Mahato, Somnath; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim (2016-10-15)
      Article
      Accés obert
      Hybrid organic/inorganic heterojunction solar cells were fabricated based on polished n-type crystalline silicon (c-Si) and p-type transparent conducting polymer poly(3,4-ethylenedioxythiophene):polystyrenesulfonate ...

    • Hole selective contacts based on transition metal oxides for c-Ge thermophotovoltaic devices 

      Martín García, Isidro; López Rodríguez, Gema; Garin Escriva, Moises; Ros Costals, Eloi; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2023-03-01)
      Article
      Accés obert
      Thermophotovoltaics has become a very attractive solution for heat-to-electricity conversion due to its excellent conversion efficiencies. However, further research is needed to reduce the device cost which is typically ...

    • Hole Transport Layer based on atomic layer deposited V2Ox films: paving the road to semi-transparent CZTSe solar cells 

      Almache Hernández, Rosa Estefanía; Pusay Villarroel, Benjamín Andrés; Tiwari, Kunal Jogendra; Ros, Eloi; Masmitjà Rusiñol, Gerard; Becerril Romero, Ignacio; Martín García, Isidro; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Saucedo Silva, Edgardo Ademar; Ortega Villasclaras, Pablo Rafael (2021-09-15)
      Article
      Accés obert
      This work explores the use of very thin transparent vanadium oxide films deposited by atomic layer deposition (ALD) technique as hole transport layer for CZTSe solar cells as alternative of opaque molybdenum based contacts. ...

    • IBC n-type C-Si solar cells based on laser doping processing for selective emitter and base contact formation 

      Masmitjà Rusiñol, Gerard; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2016)
      Comunicació de congrés
      Accés obert

    • Impact of atomic layer deposition temperature on electrical and optical properties of ZnO:Al films 

      Masmitjà Rusiñol, Gerard; Estarlich Gil, Pau; López Rodríguez, Gema; Martín García, Isidro; Voz Sánchez, Cristóbal; Placidi, Marcel Jose; Torrens Dinarès, Arnau; Saucedo Silva, Edgardo Ademar; Vasquez, Pia; Muñoz, Delfina; Puigdollers i González, Joaquim; Ortega Villasclaras, Pablo Rafael (Elsevier, 2024-03-01)
      Article
      Accés obert
      This work highlights the impact of growth temperature on electrical and optical properties of Al-doped ZnO (AZO) films deposited by atomic layer deposition (ALD) technique. The ALD process and super-cycle sequence have ...

    • Impact of graphene monolayer on the performance of non-conventional silicon heterojunction solar cells with MoOx hole-selective contact 

      Ros Costals, Eloi; Fernández, Susana; Ortega Villasclaras, Pablo Rafael; Taboada Ceballos, Elena; Arnedo, Israel; Gandía Alabau, José Javier; Voz Sánchez, Cristóbal (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-31)
      Article
      Accés obert
      In this work, a new design of transparent conductive electrode based on a graphene monolayer is evaluated. This hybrid electrode is incorporated into non-standard, high-efficiency crystalline silicon solar cells, where the ...

    • Improved electron selectivity in silicon solar cells by cathode modification with a dipolar conjugated polyelectrolyte interlayer 

      Ros Costals, Eloi; Barquera Bibiano, Zaira; Ortega Villasclaras, Pablo Rafael; Gerling Sarabia, Luis Guillermo; Masmitjà Rusiñol, Gerard; Martín García, Isidro; Alcubilla González, Ramón; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal (2019-01-01)
      Article
      Accés obert
      This work studies a novel electron-selective contact for n-type silicon solar cells based on the modification of the cathode with a polymeric interlayer. Specifically, a thin layer of the conjugated polyelectrolyte PFN is ...

    • Improvement of crystalline silicon surface passivation by hidrogen plasma treatment 

      Martín García, Isidro; Vetter, Michael; Orpella García, Alberto; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Kharchenko, A.V.; Roca i Cabarrocas, Pere (American Institute of Physics, 2004-03-01)
      Article
      Accés restringit per política de l'editorial
      A completely dry low-temperature process has been developed to passivate 3.3 Ωcm p-type crystalline silicon surface with excellent results. Particularly, we have investigated the use of a hydrogen plasma treatment, just ...

    • Improving the efficiency of light-emitting diode based on a thiophene polymer containing a cyano group 

      Cheylan, Stephanie; Bolink, H J; Fraleoni-Morgera, A; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Mencarelli, I; Setti, L; Alcubilla González, Ramón; Badenes, G (2007-12)
      Article
      Accés restringit per política de l'editorial
      We report on the overall improvement of a single layer organic light-emitting diode device based on poly{[3-hethylthiophene]-co-3-[2-(p-cyano-phenoxy)ethyl]thiophene} or namely PTOPhCN. This polymer was recently developed ...

    • Increased conductivity of a hole transport layer due to oxidation by a molecular nanomagnet 

      Cheylan, Stephanie; Puigdollers i González, Joaquim; Bolink, Henk J.; Coronado Miralles, Eugenio; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Badenes Guia, Gonçal (American Institute of Physics, 2008-05-14)
      Article
      Accés restringit per política de l'editorial
      Thin film transistors based on polyarylamine poly?N,N?-diphenyl-N,N ?bis?4-hexylphenyl?- ?1,1?biphenyl?-4,4?-diamine ?pTPD? were fabricated using spin coating in order to measure the mobility of pTPD upon oxidation. ...

    • Increased conductivity of a hole transport layer due to oxidation by a molecular nanomagnet - art. no. 096110 

      Cheylan, Stephanie; Puigdollers i González, Joaquim; Bolink, H J; Coronado, E; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Badenes, G (American Institute of Physics (AIP), 2008-05)
      Article
      Accés restringit per política de l'editorial
      Thin film transistors based on polyarylamine poly(N,N'-diphenyl-N,N'bis(4-hexylphenyl)-[1,1'biphenyl]-4,4'-diamine (pTPD) were fabricated using spin coating in order to measure the mobility of pTPD upon oxidation. Partially ...

    • Influence of a gold seed in transparent V2Ox/Ag/V2Ox selective contacts for dopant-free silicon solar cells 

      Nguyen, Hieu Trung; Ros Costals, Eloi; Bertomeu Balaguero, Joan; Asensi López, José Miguel; Andreu Batallé, Jordi; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Garin Escriva, Moises; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Tom, Thomas (2018-11-05)
      Article
      Accés obert
      Dielectric/metal/dielectric structures based on vanadium pentoxide with a thin silver interlayer have been optimized to replace traditional transparent electrodes. As would be expected, there is a tradeoff in the metal ...

    • Influence of co-sputtered Ag:Al ultra-thin layers in transparent V2O5/Ag:Al/AZO hole-selective electrodes for silicon solar cells 

      Tom, Thomas; Ros Costals, Eloi; Asensi López, José Miguel; Andreu Batallé, Jordi; Bertomeu Balagueró, Joan; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; López-Pintó, Nicolau (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-31)
      Article
      Accés obert
      As optoelectronic devices continue to improve, control over film thickness has become crucial, especially in applications that require ultra-thin films. A variety of undesired effects may arise depending on the specific ...

    • Influence of exciton blocking layer in small molecule organic solar cells 

      Galindo Lorente, Sergi; Ahmadpour Sayyar, Mehrad; Marsal Garvi, Luis Francisco; Vikas, L. S.; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      Accés restringit per política de l'editorial

    • Influence of the density of states on the open-circuit voltage in small-molecule solar cells 

      Galindo Lorente, Sergi; Ahmadpour Sayyar, Mehrad; Guerling, Luis Guillermo; Marsal Vinade, Albert; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim (2014-10-01)
      Article
      Accés restringit per política de l'editorial
      Open-circuit voltages are strongly dependent on the density-of-states in solar cells based on disordered semiconductors. In this work, organic solar cells based on tetraphenyldibenzoperiflanthene and fullerene C-70 with a ...

    • Influence of wavelength and pulse duration on the selective laser ablation of WOx, VOx and MoOx thin films 

      Muñoz García, Cristina; Canteli, David; Lauzurica, Sara; Morales, Miguel; Molpeceres Alvarez, Carlos; Ros Costals, Eloi; Ortega Villasclaras, Pablo Rafael; López González, Juan Miguel; Voz Sánchez, Cristóbal (Elsevier, 2022-02-01)
      Article
      Accés obert
      In this paper, we present a study of the laser scribing of WOx, VOx, and MoOx films, deposited onto crystalline silicon, with three different wavelengths (355 nm, 532 nm, and 1064 nm) and in two temporal regimes in pulse ...

    • Influence of wavelength on laser doping and laser-fired contact processes for c-Si solar cells 

      Molpeceres Alvarez, Carlos; Sanchez Aniorte, Maria Isabel; Morales, Miguel; Muñoz, David; Martín García, Isidro; Ortega Villasclaras, Pablo Rafael; Colina Brito, Mónica Alejandra; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (SPIE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work investigates the influence of the laser wavelength on laser doping (LD) and laser - fired contact (LFC) formation in solar cell structures . We compare the results obtained using the three first harmonics ...

    • Interdigitated back contacted c-Si(p) solar cells with photovoltaic efficiencies beyond 22% 

      Calle Prado, Eric; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Martín García, Isidro; Carrió, David; Masmitjà Rusiñol, Gerard; Voz Sánchez, Cristóbal; Orpella García, Alberto; Puigdollers i González, Joaquim; Alcubilla González, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work we show a baseline fabrication process of interdigitated back contacted IBC c-Si(p) solar cells, which combines conventional diffusion oven stages to define base p+ and emitter n+/n++ regions at the back side, ...

    • Interdigitated back-contacted crystalline silicon solar cells fully manufactured with atomic layer deposited selective contacts 

      Masmitjà Rusiñol, Gerard; Ros Costals, Eloi; Almache Hernández, Rosa Estefanía; Pusay Villarroel, Benjamín Andrés; Martín García, Isidro; Voz Sánchez, Cristóbal; Saucedo Silva, Edgardo Ademar; Puigdollers i González, Joaquim; Ortega Villasclaras, Pablo Rafael (2022-04-02)
      Article
      Accés obert
      The interdigitated back-contacted (IBC) solar cell concept has been extensively studied for single-junction cells and more recently as a good choice for three-terminal tandem devices. In this work, carrier-selective contacts ...