Ara es mostren els items 60-79 de 147

    • 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)
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      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 ...
    • 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)
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      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)
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      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)
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      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)
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      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)
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      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)
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      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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    • 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)
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      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 ...
    • Insight into the diindolo[3,2-b:2',3'-h]carbazole core as an air-stable semiconductor for OTFTs 

      Bujaldón Carbó, Roger; Vilche, Anna; Puigdollers i González, Joaquim; Puigjaner, Cristina; Alcobe, Xavier; Velasco, Dolores (American Chemical Society (ACS), 2023-06-16)
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      Accés obert
      Encouraged by the outstanding performance of pentacene, the perspective over enhanced organic semiconductors has been focused on studying analogous ladder-type materials. In this context, the case of the diindolo[3,2-b:2 ...
    • Interchain and intrachain emission branching in polymer light-emitting diode doped by organic molecules 

      Krautz, D.; Lunedei, E.; Puigdollers i González, Joaquim; Badenes, Gonçal; Alcubilla González, Ramón; Cheylan, Stephanie (2010-01-18)
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      Accés obert
      A blend of the polymer poly 2- 2-ethylhexyloxy -5-methoxy-1,4-phenylenevinylene MEH-PPV and the electron-transport molecule tris- 8-hydroxyquinoline aluminum Alq3 has been investigated by means of electroluminescence ...
    • 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)
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      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)
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      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 ...
    • Interdigitated back-contacted crystalline silicon solar cells with lowerature dopant-free selective contacts 

      Masmitjà Rusiñol, Gerard; Ortega Villasclaras, Pablo Rafael; Puigdollers i González, Joaquim; Gerling Sarabia, Luis Guillermo; Martín, I.; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (Royal Society of Chemistry, 2018-01-01)
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    • Interface engineering and solid-state organization for triindole-based p-type organic thin-film transistors 

      Reig Canyelles, Marta; Bagdziunas, Gintautas; Ramanavicius, Arunas; Puigdollers i González, Joaquim; Velasco Castrillo, Maria Dolores (Royal Society of Chemistry (RSC), 2018-07-14)
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      Inspired by the excellent device performance of triindole-based semiconductors in electronic and optoelectronic devices, the relationship between the solid-state organization and the charge-transporting properties of an ...
    • Intermittent chaos for ergodic light trapping in a photonic fiber plate 

      Mariano, Marina; Kozyreff, Gregory; Gerling Sarabia, Luis Guillermo; Romero Gómez, Pablo; Puigdollers i González, Joaquim; Bravo Abad, Jorge; Martorell, Jordi (2016-12-30)
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      Extracting the light trapped in a waveguide, or the opposite effect of trapping light in a thin region and guiding it perpendicular to its incident propagation direction, is essential for optimal energetic performance in ...
    • Inversion charge study in TMO hole-selective contact-based solar cells 

      García Hernansanz, Rodrigo; Pérez Centeno, F; Duarte Cano, Sebastián; Caudevilla Gutiérrez, Daniel; Algaidy, S.; Garcia Hemme, E.; Olea, J.; Pastor, D.; Del Prado, A.; San Andrés, E.; Martil, Ignacio; Ros Costals, Eloi; Puigdollers i González, Joaquim; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal (2023-09)
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      In this article, we study the effect of the inversion charge ( Q inv ) in a solar cell based on the hole-selective characteristic of substoichiometric molybdenum oxide (MoO x ) and vanadium oxide (VO x ) deposited directly ...
    • IR-study of a-SiCx:H and a-SiCxNy:H films for c-Si surface passivation 

      Vetter, Michael; Martín García, Isidro; Orpella García, Alberto; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2004-03)
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      Accés restringit per política de l'editorial
      Amorphous intrinsic silicon carbide (a-SiCx:H(i)) films and amorphous silicon carbonitride (SiCxNy:H) films have been deposited by plasma enhanced chemical vapor deposition from CH4/SiH4/(N2) plasma on n-type (1.5 O cm) ...
    • KCN chemical etching of van der Waals Sb2Se3 thin films synthesized at low temperature leads to inverted surface polarity and improved solar cell efficiency 

      Jiménez Guerra, Maykel; Calvo Barrio, Lorenzo; Asensi López, José Miguel; Caño Prades, Ivan; Yan, Shunya; Barrena Villas, Esther; Puigdollers i González, Joaquim; Jehl, Zacharie Victor Samuel Na; Sánchez González, Yudania; Saucedo Silva, Edgardo Ademar (American Chemical Society (ACS), 2024-01-22)
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      Recent developments in Sb2Se3 van der Waals material as an absorber candidate for thin film photovoltaic applications have demonstrated the importance of surface management for improving the conversion efficiency of this ...