Listar Departament: Física por título
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Tailoring the electrical conductivity of Poly(vinylidene fluoride) by blending with poly (3,4-ethylenedioxythiophene) Polystyrene sulfonate (PEDOT:PSS) and ionic liquids
Elsevier (2024)In order to tailor dielectric response and electrical conductivity, novel polymer blends based on poly(vinylidene fluoride (PVDF) and different fillers composed by poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) ... -
Temperature dependence of anomalous protonic and superprotonic transport properties in mixed salts based on CsH2PO4
Royal Society of Chemistry (2019)We present an experimental study and a theoretical interpretation of the temperature dependence of the transport properties of doped CsH2PO4 salts in both protonic and superprotonic phases. Cesium phosphate based solid ... -
Temperature dependence of open-circuit voltage and recombination processes in polymer–fullerene based solar cells
Elsevier (2011)In this article, we have studied the temperature and illumination dependence of open-circuitvoltage (VOC) in polymer–fullerenebasedsolarcells. It has been observed that VOC at higher illumination intensities gets converged ... -
Temperature dependence of open-circuit voltage in organic solar cells from generation-recombination kinetic balance
Elsevier (2010)The variation in the open-circuit voltage of bulk-heterojunction organic solar cells with temperature and light intensity is analyzed based on the kinetic balance between photogeneration and recombination rates, by determining ... -
Temperature Effects on the Photovoltaic Performance of Planar Structure Perovskite Solar Cells
Chemical Society of Japan (2015-09-10)Temperature effects of CH3NH3PbI3 perovskite solar cells having simple planar architecture were investigated on the crystal structure and photovoltaic performance. The obvious changes in the CH3NH3PbI3 crystal structure ... -
Temperature effects in dye-sensitized solar cells
Royal Society of Chemistry (2013)In the standard solar cell technologies such as crystalline silicon and cadmium telluride, increments of temperature in the cell produce large variations in the energy conversion efficiency, which decreases at a constant ... -
Terahertz emission increase in GaAs films exhibiting structural defects grown on Si (100) substrates using a two-layered LTG-GaAs buffer system
American Statistical Association (2021-04-22)Terahertz (THz) emission increase is observed for GaAs thin films that exhibit structural defects. The GaAs epilayers are grown by molecular beam epitaxy on exactly oriented Si (100) substrates at three different temperatures ... -
The AEROPILs Generation: novel poly(Ionic liquid)-based aerogels for CO2 capture
MDPI (2021)CO2 levels in the atmosphere are increasing exponentially. The current climate change effects motivate an urgent need for new and sustainable materials to capture CO2 . Porous materials are particularly interesting for ... -
The combination of a polymer–carbon composite electrode with a high-absorptivity ruthenium dye achieves an efficient dye-sensitized solar cell based on a thiolate–disulfide redox couple
Royal Society of Chemistry (2012)To overcome the intrinsic shortcomings of the traditional iodide–triiodide redox couple and pursue a further performance improvement, intense efforts have been made to exploit alternative redox shuttles in dye-sensitized ... -
The Complex Proteolipidic Behavior of the SARS-CoV-2 Envelope Protein Channel: Weak Selectivity and Heterogeneous Oligomerization
Multidisciplinary Digital Publishing Institute (MDPI) (2023-08-05)The envelope (E) protein is a small polypeptide that can form ion channels in coronaviruses. In SARS coronavirus 2 (SARS-CoV-2), the agent that caused the recent COVID-19 pandemic, and its predecessor SARS-CoV-1, E protein ... -
The Complex Role of Carbon Nitride as a Sensitizer in Photoelectrochemical Cells
Wiley (2015-08)The role of carbon nitride (C3N4) as an absorber in a photoelectrochemical cell is reported. C3N4-sensitized TiO2 mesoporous film created via in-situ, vapor-transport growth results in a direct Ti–O–C bonding. The material ... -
The Cytoplasmic Domain of the SARS-CoV-2 Envelope Protein Assembles into a β-Sheet Bundle in Lipid Bilayers
Elsevier (2023-01-28)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) envelope (E) protein forms a pentameric ion channel in the lipid membrane of the endoplasmic reticulum Golgi intermediate compartment (ERGIC) of the infected ... -
The ionic selectivity of large protein ion channels
Institut d'Estudis Catalans. Secció de Ciències i Tecnologia (2008)Large, highly conductive ion channels have a major functional role in the cell life cycle. They allow the exchange of charged and neutral solutes across the cell membrane envelope and regulate the influx of nutrients ... -
The P. aeruginosa effector Tse5 forms membrane pores disrupting the membrane potential of intoxicated bacteria
Nature Research (2022)The type VI secretion system (T6SS) of Pseudomonas aeruginosa injects effector proteins into neighbouring competitors and host cells, providing a fitness advantage that allows this opportunistic nosocomial pathogen to ... -
The role of crystal facets and disorder on photo-electrosynthesis
Royal Society of Chemistry (2022-09-23)Photoelectrochemistry has the potential to play a crucial role in the storage of solar energy and the realisation of a circular economy. From a chemical viewpoint, achieving high conversion efficiencies requires subtle ... -
The structural and electrochemical properties of CuCoO2 crystalline nanopowders and thin films: conductivity experimental analysis and Insights from density functional theory calculations
MDPI (2023-08-11)A novel manufacturing process is presented for producing nanopowders and thin films of CuCoO2 (CCO) material. This process utilizes three cost-effective synthesis methods: hydrothermal, sol-gel, and solid-state reactions. ... -
The Swift Surge of Perovskite Photovoltaics
American Chemical Society (2013)The breakthrough early 1990s dye sensitization of mesoscopic TiO2 films along with a regenerative iodide redox couple led to the explosive growth of dye-sensitized solar cell (DSC) research. The pioneering work of Grätzel ... -
Theory of Impedance and Capacitance Spectroscopy of Solar Cells with Dielectric Relaxation, Drift-Diffusion Transport, and Recombination
American Chemical Society (2014-07)Semiconductor photovoltaic devices currently investigated, such as hybrid organic–inorganic lead halide perovskite based solar cells, have shown a high dielectric polarization combined with ambipolar carrier transport. In ... -
Theory of Impedance Spectroscopy of Ambipolar Solar Cells with Trap-Mediated Recombination
American Chemical Society (2014-01)The analysis of recombination in solar cells suggests in many cases the presence of trap-mediated recombination in the absorber. We present a theory of the recombination of electrons and holes, the Shockley–Read–Hall model, ... -
Theory of the impedance of charge transfer via surface states in dye-sensitized solar cells
Elsevier (2010)The dynamics of trapping coupled with charge transfer is analysed in the frequency domain for a model of the dye-sensitized solar cell. We solve the steady state occupations of the surface state and the resulting recombination ...