Ara es mostren els items 116-135 de 147

    • Satisfying both interfacial- and bulk requirements for organic photovoltaics: Bridged-triphenylamines with extended p-conjugated systems as efficient new molecules 

      Simokaitiene, Jurate; Cekaviciute, Monika; Volyniuk, Dmytro; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2019-05-31)
      Article
      Accés obert
      In the domain of organic photovoltaic (OPV) devices, the design of new materials faces the extraordinary challenge to satisfy two opposite requirements: the new materials should exhibit weak intermolecular interactions at ...
    • SbSeI and SbSeBr micro-columnar solar cells by a novel high pressure-based synthesis process 

      Caño Prades, Ivan; Navarro Güell, Alejandro; Maggi, Edoardo; Barrio Casado, María del; Tamarit Mur, José Luis; Svatek, Simon Aurel; Antolin, Elisa; Yan, Shunya; Barrena Villas, Esther; Galiana Blanco, Beatriz; Placidi, Marcel Jose; Puigdollers i González, Joaquim; Saucedo Silva, Edgardo Ademar (Royal Society of Chemistry (RSC), 2023-07-17)
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      Accés obert
      Van der Waals chalcogenides and chalcohalides have the potential to become the next thin film PV breakthrough, owing to the earth-abundancy and non-toxicity of their components, and their stability, high absorption coefficient ...
    • Selenium enriched hybrid metal chalcogenides with enhanced redox kinetics for high-energy density supercapacitors 

      Manikandan, Ramu; Justin Raj, Chellan; Nagaraju, Goli; Velayutham, Rajavel; Moulton, Simon E.; Puigdollers i González, Joaquim; Chul Kim, Byung (2021-06-15)
      Article
      Accés obert
      Rational design and synergistic interactions between the electrode and electroactive materials have a huge impact on elevating the energy storage performance of supercapacitor devices. Herein, selenium enriched hybrid ...
    • Shedding light on the negative differential resistance effect observed in organic thin-film transistors 

      Ros Costals, Eloi; Reig Canyelles, Marta; Voz Sánchez, Cristóbal; Bagdziunas, Gintautas; Ortega Villasclaras, Pablo Rafael; Velasco Castrillo, Maria Dolores; Puigdollers i González, Joaquim (2020-05-05)
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      Accés obert
      Organic semiconductor electronics has the potential to become a solid and industrially feasible technology, with new and stimulating applications such as the flexible and transparent electronic devices. However, organic ...
    • Simulation of organic inverter 

      Papadopoulos, N. P.; Marsal, Albert; Picos, Rodrigo; Puigdollers i González, Joaquim; Hatzopoulos, A. A. (2012-02-02)
      Article
      Accés restringit per política de l'editorial
      Pentacene and N,N′-ditridecylperylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C13H27) have been used as organic semiconductors for the fabrication of p-type and n-type organic thin-film transistors (OTFTs). Both types of ...
    • Simulation study of tandems of perovskite and IBC c-Si solar cells 

      Silvestre Bergés, Santiago; Mas-Marza, Elena; Puigdollers i González, Joaquim; Fabregat Fillet, Jaume; Ortega Villasclaras, Pablo Rafael; Serra, Danielle (WIP Renewable Energies, 2018)
      Text en actes de congrés
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      In this work, the simulation results obtained for a tandem configuration of perovskite, as top cell, and Interdigitated Back-Contacted (IBC) c-Si as bottom cell are presented. Two different models were used for the modelling ...
    • Solid-state organization of n-type carbazole-based semiconductors for organic thin-film transistors 

      Reig, Marta; Puigdollers i González, Joaquim; Velasco, Dolores (2017-11-29)
      Article
      Accés obert
      The development of new organic semiconductors has been mainly led by the search of new p-conjugated cores, but recently the use of flexible side chains is attracting more and more attention to control the molecular packing ...
    • Stability of hidrogenated nanocrystalline silicon thin-film transistors 

      Orpella García, Alberto; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Dosev, D; Fonrodona, Marta; Soler Vilamitjana, David; Bertomeu Balaguero, Joan; Asensi, J M; Andreu Batallé, Jordi; Alcubilla González, Ramón (2001-09)
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      Accés restringit per política de l'editorial
      Hydrogenated nanocrystalline silicon thin-films were obtained by catalytic chemical vapour deposition at low substrate temperatures (150°C) and high deposition rates (10 Å/s). These films, with crystalline fractions over ...
    • Static and dynamic modeling of organic thin film transistors: effect of channel length on the Mayer-Neldel rule energy and quasistatic capacitances 

      Arfaoui, Nawel; Boukhili, W.; Mahdouani, M.; Puigdollers i González, Joaquim; Bourguiga, R. (2018-03-01)
      Article
      Accés obert
      In this work, pentacene based thin film transistors (TFTs) with different channel lengths (L¿=¿2.5, 5, 10 and 20¿µm) have been fabricated and characterized electrically. Exploiting the electrical characteristics, we have ...
    • Straightforward determination of the effective mobility-lifetime product of small molecule organic solar cells 

      Gerling Sarabia, Luis Guillermo; Mahato, S; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Asensi, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The effective mobility-lifetime product, a figure of merit for charge carrier transport in a photovoltaic device, was determined for small-molecule bulk heterojunction organic solar cells by means of a simplified methodology ...
    • Straightforward determination of the effective mobility-lifetime products of small molecule organic solar cells 

      Gerling Sarabia, Luis Guillermo; Mahato, S; Galindo Lorente, Sergi; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Alcubilla González, Ramón; Asensi, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The effective mobility-lifetime product, a figure of merit for charge carrier transport in a photovoltaic device, was determined for small-molecule bulk heterojunction organic solar cells by means of a simplified methodology ...
    • Study of a thiophene-based polymer for optoelectronic applicartions 

      Cheylan, Stephanie; Fraleoni-Morgera, A; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal; Settin, L; Alcubilla González, Ramón; Badenes, G; Costa-Bizzarri, P; Lanzi, M (2006-01)
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      Accés restringit per política de l'editorial
      A thiophene-based conjugated polymer bearing a cyano group (–CN) as a side chain substituent was successfully synthesized. The polymer evidences an excellent filmability from various organic solvents as well as an enhanced ...
    • Superior performance of V2O5 as hole selective contact over other transition metal oxides in silicon heterojunction solar cells 

      Almora, Osbel; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim; Garcia-Belmonte, Germà (2017-08-01)
      Article
      Accés obert
      Transition metal oxides (TMOs) have recently been proved to efficiently serve as hole-selective contacts in crystalline silicon (c-Si) heterojunction solar cells. In the present work, two TMO/c-Si heterojunctions are ...
    • Surface passivation of crystalline silicon by Cat-CVD amorphous and nanocrystalline thin silicon films 

      Voz Sánchez, Cristóbal; Martín García, Isidro; Orpella García, Alberto; Puigdollers i González, Joaquim; Vetter, Michael; Alcubilla González, Ramón; Soler Vilamitjana, David; Fonrodona, Marta; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi (2003-05)
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      Accés restringit per política de l'editorial
      In this work, we study the electronic surface passivation of crystalline silicon with intrinsic thin silicon films deposited by Catalytic CVD. The contactless method used to determine the effective surface recombination ...
    • Surface passivation of p-type crystalline Si by plasma enhanced vapour deposited amorphous SiCx Films 

      Martín García, Isidro; Vetter, Michael; Orpella García, Alberto; Puigdollers i González, Joaquim; Cuevas, A; Alcubilla González, Ramón (2001-10)
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      Accés restringit per política de l'editorial
      Excellent passivation properties of intrinsic amorphous silicon carbide (a-SiCx:H) films deposited by plasma enhanced chemical vapor deposition on single-crystalline silicon (c-Si) wafers have been obtained. The dependence ...
    • Synergetic effect induced/tuned bimetallic nanoparticles (Pt-Ni) anchored graphene as a catalyst for oxygen reduction reaction and scalable SS-314L serpentine flow field proton exchange membrane fuel cells (PEMFCs) 

      Velayutham, Rajavel; Palanisamy, Karthikeyan; Manikandan, Ramu; Velumani, Thiagarajan; Kumar AP, Senthil; Puigdollers i González, Joaquim; Chul Kim, Byung (2022-08-01)
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      Accés restringit per política de l'editorial
      A simple design of electroactive and cost-effective electrocatalysts for oxygen reduction reaction (ORR) activity is crucial towards energy conversion in the commercialization of proton exchange membrane fuel cells (PEMFCs). ...
    • Temperature dependence of the electrical properties of organic thin-film transistors based on tetraphenyldibenzoperiflanthene deposited at different substrate temperatures: Experiment and modeling 

      Boukhili, W.; Mahdouani, M.; Bourguiga, R.; Puigdollers i González, Joaquim (2016-01-25)
      Article
      Accés obert
      A series of inverted-staggered (top contact) p-channel organic thin film transistors based on small molecule tetraphenyldibenzoperiflanthene (DBP) as an active layer have been fabricated by thermal evaporation at different ...
    • Temperature dependent current-voltage characteristics of Au/n-Si Schottky barrier diodes and the effect of transition metal oxides as an interface layer 

      Mahato, Somnath; Puigdollers i González, Joaquim (2018-02-01)
      Article
      Accés obert
      Temperature dependent current–voltage (I¿V) characteristics of Au/n-type silicon (n-Si) Schottky barrier diodes have been investigated. Three transition metal oxides (TMO) are used as an interface layer between gold and ...
    • Thin film transistors obtained by hot wire CVD 

      Puigdollers i González, Joaquim; Orpella García, Alberto; Dosev, D; Voz Sánchez, Cristóbal; Peiró, D; Pallarés, J; Marsal, L F; Bertomeu Balaguero, Joan; Andreu Batallé, Jordi; Alcubilla González, Ramón (2000-05)
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      Accés restringit per política de l'editorial
      Hydrogenated microcrystalline silicon films obtained at low temperature (150–280°C) by hot wire chemical vapour deposition at two different process pressures were measured by Raman spectroscopy, X-ray diffraction (XRD) ...
    • Thin-film transistors with polymorphous silicon active layer 

      Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Orpella García, Alberto; Alcubilla González, Ramón; Fontcuberta Morral, Anna; Tripathi, V; Roca, P (2002-04)
      Article
      Accés restringit per política de l'editorial
      Hydrogenated silicon thin films were obtained by plasma enhanced chemical vapour deposition under plasma conditions close to the formation of powder. By that means microcrystalline, polymorphous and amorphous silicon layers ...