Listar FCA_Articles por título

Mostrando ítems 390-409 de 511

    • openAccess   Relative Impacts of Methylammonium Lead Triiodide Perovskite Solar Cells Based on Life Cycle Assessment 

      Alberola-Borràs, Jaume-Adrià; Vidal, Rosario; Juarez-Perez, Emilio J.; Mas, Elena; Guerrero, Antonio; Mora-Sero, Ivan Elsevier (2017-11-22)
      The environmental performance of four different device assembly procedures based on hybrid halide perovskite solar cell (PSC) were assessed from cradle to grave using life cycle assessment (LCA) methodology. In addition, ...

    • closedAccess   Relaxation dynamics of poly(vinylidene fluoride) studied by dynamical mechanical measurements and dielectric spectroscopy 

      Andrio, Andreu; Sencadas, V.; lanceros-mendez, senentxu; Sabater Serra, Roser; Gomez Ribelles, Jose Luis EDP Sciences (2012)
      The aim of this study is to analyze the mobility of polymer chains in semicrystalline poly(vinylidene fluoride) (PVDF). PVDF crystallizes from the melt in the α crystalline phase. The transformation from the α phase to the ...

    • closedAccess   Relaxation of Electron Carriers in the Density of States of Nanocrystalline TiO2 

      Bertoluzzi, Luca; Herraiz Cardona, Isaac; Gottesman, Ronen; Zaban, Arie; Bisquert, Juan American Chemical Society (2014-01)
      Band gap localized states and surface states play a dominant role in the application of nanocrystalline metal oxides to photovoltaics and solar fuel production. Electrons injected in nanocrystalline TiO2 by voltage or ...

    • closedAccess   Relaxation of Photogenerated Carriers in P3HT:PCBM Organic Blends 

      Moehl, Thomas; Kytin, Vladimir G.; Bisquert, Juan; Kunst, Marinus; Bolink, Henk J.; Garcia-Belmonte, Germà Wiley (2009)
      Relaxing in the sunlight. Long time-transient decays of photogenerated carriers in P3HT:PCBM blends for organic solar cells are interpreted in terms of the relaxation of hole carriers in a broad density of states. The ...

    • openAccess   Relevance of Viroporin Ion Channel Activity on Viral Replication and Pathogenesis 

      Nieto Torres, José L.; Verdiá Báguena, Carmen; Castaño Rodríguez, Carlos; Aguilella, Vicente; Enjuanes, Luis MDPI (2015-07)
      Modification of host-cell ionic content is a significant issue for viruses, as several viral proteins displaying ion channel activity, named viroporins, have been identified. Viroporins interact with different cellular ...

    • openAccess   Removing Instability-Caused Low-Frequency Features in Small Perturbation Spectra of Perovskite Solar Cells 

      Ravishankar, Sandheep; García-Batlle, Marisé; Bisquert, Juan; Garcia-Belmonte, Germà; Odrobina, Jann; Schiller, Carl-Albrecht American Chemical Society (2020-06-29)
      Small-perturbation frequency-domain techniques such as impedance spectroscopy and intensity-modulated photocurrent spectroscopy (IMPS) have become important methods for the investigation of the physical working mechanisms ...

    • openAccess   Resolution-enhanced optical coherence tomography based on classical intensity interferometry 

      Lajunen, Hanna; Torres Company, Víctor; Lancis, Jesús; Friberg, Ari T. Optical Society of America (2009)
      We propose a fourth-order interference scheme for optical coherence tomography operating with broadband incoherent (or quasi-incoherent) light. It is shown that using this proposal, an axial resolution improvement by a ...

    • openAccess   Revealing the contribution of singlet oxygen in the photoelectrochemical oxidation of benzyl alcohol 

      Arcas, Ramón; Peris, Eduardo; Mas, Elena; Fabregat-Santiago, Francisco Royal Society of Chemistry (2021-02)
      Photoelectrochemical approaches are finding use in the transformation of organic molecules beyond water oxidation and CO2 reduction. Among the different reactions that can be performed, the selective oxidation of alcohols ...

    • openAccess   Role of Severe Acute Respiratory Syndrome Coronavirus Viroporins E, 3a, and 8a in Replication and Pathogenesis 

      Castaño Rodríguez, Carlos; Honrubia, José M.; Gutiérrez-Álvarez, Javier; De Diego, Marta L.; Nieto Torres, José L.; Jiménez Guardeño, José M.; Regla Nava, José A.; Fernández Delgado, Raúl; Verdiá Báguena, Carmen; Queralt-Martín, María; Kochan, Grazyna; Perlman, Stanley; Aguilella, Vicente; Sola, Isabel; Enjuanes, Luis American Society for Microbiology (2018)
      Viroporins are viral proteins with ion channel (IC) activity that play an important role in several processes, including virus replication and pathogenesis. While many coronaviruses (CoVs) encode two viroporins, severe ...

    • closedAccess   Role of the Selective Contacts in the Performance of Lead Halide Perovskite Solar Cells 

      Juarez-Perez, Emilio J.; Wuβler, Michael; Fabregat-Santiago, Francisco; Lakus Wollny, Kerstin; Mankel, Eric; Mayer, Thomas; Jaegermann, Wolfram; Mora-Sero, Ivan American Chemical Society (2014-01)
      The effect of electron- and hole-selective contacts in the final cell performance of hybrid lead halide perovskite, CH3NH3PbI3, solar cells has been systematically analyzed by impedance spectroscopy. Complete cells with ...

    • openAccess   Role of Vertical Segregation in Semitransparent Organic Photovoltaics 

      Kovalenko, Alexander; Guerrero, Antonio; Garcia-Belmonte, Germà ACS Publications (2015)
      In this work, the efficiency of semitransparent organic photovoltaic (OPV) devices for low intensity applications is investigated as a function of the processing conditions. It is observed that a thermal treatment of the ...

    • closedAccess   Role of Zn0 electron-selective layers in regular and inverted bulk heterojunction solar cells 

      Garcia-Belmonte, Germà; Bisquert, Juan; Pérez Boix, Juan; Pacios, Roberto; Etxebarria, Ikerne; Ajuria, Jon American Chemical Society (2011-02)
      Here the role of metal oxide (ZnO) electron-selective layers in the operating mechanisms of bulk-heterojunction polymer−fullerene solar cells is addressed. Inverted as well as regular structures containing ZnO layers at ...

    • closedAccess   Room temperature stable ClPrNTf2 ionic liquid utilizing for chemical sensor development 

      Rahman, Mohammed M.; Marwani, Hadi M.; Alshehri, Abdelmohsen A.; Albar, Hassan A.; Bisquert, Juan; Asiri, Abdullah M. Elsevier (2016-06)
      A stable ionic liquid was prepared at room-temperature using the metathesis reaction, which was consummated by the reaction of l-Phenylalanine ethyl ester hydrochloride (chlorpromazine hydrochloride) with lithium-bis(tri ...

    • openAccess   Ru-based nanoparticles supported on carbon nanotubes for electrocatalytic hydrogen evolution: structural and electronic effects 

      Romero, Núria; Fenoll, Dídac A.; Gil Jiménez, Laia; Campos Jara, Sergi; Creus, Jordi; Martí Balaguer, Gerard; Heras-Domingo, Javier; Collière, Vincent; Mesa, Camilo A.; Gimenez, Sixto; Francàs Forcada, Laia; Rodriguez-Santiago, Luís; Solans Monfort, Xavier; Sodupe, Mariona; Bofill, Roger; PHILIPPOT, Karine; García-Antón, Jordi; Sala, Xavier Royal Society of Chemistry (2023-10-10)
      The performance of Ru-based nanoparticles (NPs) in the hydrogen evolution reaction (HER) relies on both their structural properties and the oxidation state of the metal. Herein, the versatility of the organometallic approach ...

    • openAccess   SARS-CoV-2 accessory protein 7b forms homotetramers in detergent 

      Surya, Wahyu; Queralt-Martin, Raquel; Mu, Yuguang; Aguilella, Vicente; Torres, Jaume BioMed Central (BMC) (2022-11)
      A global pandemic is underway caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The SARS-CoV-2 genome, like its predecessor SARS-CoV, contains open reading frames that encode accessory proteins ...

    • closedAccess   Sb2S3-Sensitized Photoelectrochemical Cells: Open Circuit Voltage Enhancement through the Introduction of Poly-3-hexylthiophene Interlayer 

      Heo, Jin Hyuck; Im, Sang Hyuk; Kim, Hi-jung; Boix, Pablo P; Lee, Suk Joong; Seok, Sang Il; Mora-Sero, Ivan; Bisquert, Juan American Chemical Society (2012)
      The Sb2S3-sensitized photoelectrochemical cells (Sb2S3–SPECs) in cobalt electrolyte were fabricated by depositing Sb2S3 on the macroporous TiO2 nanorods electrodes and consecutively spin-coating P3HT (Poly-3-hexylthiophene) ...

    • openAccess   Scaling Behavior of Ionic Transport in Membrane Nanochannels 

      Queralt-Martín, María; López Peris, María Lidón; Aguilella-Arzo, Marcel; Aguilella, Vicente; Alcaraz, Antonio American Chemical Society (2018)
      Ionic conductance in membrane channels exhibits a power-law dependence on electrolyte concentration (G ∼ c α ). The many scaling exponents, α, reported in the literature usually require detailed interpretations ...

    • closedAccess   Science in the Age of Digital Networking 

      Bisquert, Juan; Hagfeldt, Anders; De Angelis, Filippo American Chemical Society (2015-08)
      Today, the world is moving fast, but we do not know exactly where this leads yet. As the economy of knowledge inevitably extends its tentacles on the realm of science, what are we –scientists- going to do? So far, an ...

    • closedAccess   Segmental dynamics in poly(ε-caprolactone)/poly(L-lactide) copolymer networks 

      Sabater Serra, Roser; Escobar Ivirico, Jorge L.; Meseguer Dueñas, José María; Andrio, Andreu; Gomez Ribelles, Jose Luis; Salmerón Sánchez, Manuel Wiley (2009)
      Poly(ε-caprolactone) (PCL) and poly(lactic acid) (PLA) networks were prepared from macromonomer diols functionalized with methacrylic anhydride, which allows one to get self-crosslinkable polymers. Besides, both macromonomers ...

    • openAccess   Selective contacts drive charge extraction in quantum dot solids via asymmetry in carrier transfer kinetics 

      Mora-Sero, Ivan; González Pedro, Victoria; Gimenez, Sixto; Bertoluzzi, Luca; Fabregat-Santiago, Francisco; Kemp, Kyle W.; Sargent, Edward H.; Bisquert, Juan Nature Publishing Group (2013)
      Colloidal quantum dot solar cells achieve spectrally selective optical absorption in a thin layer of solution-processed, size-effect tuned, nanoparticles. The best devices built to date have relied heavily on drift-based ...