Visualitzant FCA_Articles per títol
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LiFePO4 particle conductive composite strategies for improving cathode rate capability
Elsevier (2015-05)Lithium iron phosphate (LFP) cathodes are one of the most promising candidates to find application in hybrid electric vehicle energy storage system. For this reason advances in the performance of its theoretical capacity ... -
Ligand-free synthesis of aluminum-doped zinc oxide nanocrystals and their use as optical spacers in color-tuned highly efficient organic solar cells
Wiley (2016)The color of polymer solar cells using an opaque electrode is given by the refl ected light, which depends on the composition and thickness of each layer of the device. Metal-oxide-based optical spacers are intensively ... -
Light Capacitances in Silicon and Perovskite Solar Cells
Elsevier (2019)The framework on which the physics of silicon solar cells (SiSCs) is based robustly predicts dependences of capacitance on light intensity and voltage, even when most recent innovations are considered as the incorporation ... -
Light intensity modulated impedance spectroscopy (LIMIS) in all-solid-state solar cells at open-circuit
Elsevier (2020)Potentiostatic impedance spectroscopy (IS) is a well-established characterization technique for elucidating the electric resistivity and capacitive features of materials and devices. For solar cells, by applying a small ... -
Light-Induced Space-Charge Accumulation Zone as Photovoltaic Mechanism in Perovskite Solar Cells
American Chemical Society (2016)We fabricated formamidinium lead iodide perovskite solar cell for analysis of the photovoltaic mechanism based on the interpretation of the capacitance variation under illumination. It was shown that the low-frequency ... -
Light-modulated TiOx Interlayer Dipole and Contact Activation in Organic Solar Cell Cathodes
Wiley (2014-10-22)Understanding working mechanisms of selective interfacial layers and the underlying energetics of the organic semiconductor/electrode interface is an issue of primary concern for improving organic solar cell technologies. ... -
Linearity, saturation and blocking in a large multiionic channel: divalent cation modulation of the OmpF porin conductance
Elsevier (2011-01)Measurement of unitary conductance is a fundamental step in the characterization of a protein ion channelpermeabilizing a membrane. We study here the effect of salts of divalent cations on the OmpF channelconductance ... -
Lipid charge regulation of non-specific biological ion channels
Royal Society of Chemistry (2014)Ion channels are specialized proteins that enable the movement of charges through otherwise impermeable lipidic membranes. Their action is essential in living organisms facilitating electric signaling, muscle contraction ... -
Lipid Headgroup Charge and Acyl Chain Composition Modulate Closure of Bacterial β-Barrel Channels
MDPI (2019-02)The outer membrane of Gram-negative bacteria contains β-barrel proteins that form high-conducting ion channels providing a path for hydrophilic molecules, including antibiotics. Traditionally, these proteins have been ... -
Localized versus delocalized states: Photoluminescence from electrochemically synthesized ZnO nanowires
American Institute of Physics (2009)We analyze the near-band-edge photoluminescence of electrochemically deposited ZnO nanowires and directly correlate the photoluminescence properties with the carrier concentration in the nanowires as determined from ... -
Locating the Frequency of Turnover in Thin-Film Diffusion Impedance
American Chemical Society (2021-07-12)The impedance of diffusion is an important tool to investigate a wide variety of systems, including electrochemical devices such as Li-ion batteries, porous electrodes, and solar cells. The classical impedance model ... -
Long-term potentiation mechanism of biological postsynaptic activity in neuro-inspired halide perovskite memristors
IOP Publishing (2023-05-26)Perovskite memristors have emerged as leading contenders in brain-inspired neuromorphic electronics. Although these devices have been shown to accurately reproduce synaptic dynamics, they pose challenges for in-depth ... -
Lossless equalization of frequency combs
Optical Society of America (2008)Frequency combs obtained by sinusoidal phase modulation of narrow-band continuous-wave lasers are widely used in the field of optical communications. However, the resulting spectral envelope of the comb is not at. ... -
Low-temperature processed electron collection layers of graphene/TiO 2 nanocomposites in thin film perovskite solar cells
American Chemical Society (2014)The highest efficiencies in solution-processable perovskite-based solar cells have been achieved using an electron collection layer that requires sintering at 500 °C. This is unfavorable for low-cost production, applications ... -
Majorana-like Zero Modes in Kekulé Distorted Sonic Lattices
American Physical Society (2019)Topological phases have recently been realized in bosonic systems. The associated boundary modes between regions of distinct topology have been used to demonstrate robust waveguiding, protected from defects by the topology ... -
Materials for production and storage of renewable energy
American Chemical Society (2011)The need to revolutionize the way energy is produced, delivered, and utilized is widely recognized. Due to an increasing population and rising living standards around the globe, the need for a reliable, convenient, and ... -
Mechanical relaxations and diffusive changes in linear low density polyethylene (LLDPE) films subject to induced stretching
Wiley (1996)An analysis of the diffusion of oxygen and carbon dioxide through linear low density polyethylene (LLDPE) subjected to longitudinal and transversal induced stretching in the ratio 2:1, is presented in this paper. The ... -
Mechanism of carrier accumulation in perovskite thin-absorber solar cells
Nature Publishing Group (2013)Photovoltaic conversion requires two successive steps: accumulation of a photogenerated charge and charge separation. Determination of how and where charge accumulation is attained and how this accumulation can be identified ... -
Mechanisms of charge accumulation in the dark operation of perovskite solar cells
Royal Society of Chemistry (2016)In this work, a new current peak at forward bias in the dark current–voltage curves has been identified for standard mesoscopic perovskite solar cells. This characteristic peak appears only under some specific conditions, ... -
Membrane Potential Bistability in Nonexcitable Cells as Described by Inward and Outward Voltage-Gated Ion Channels
American Chemical Society (2014-10)The membrane potential of nonexcitable cells, defined as the electrical potential difference between the cell cytoplasm and the extracellular environment when the current is zero, is controlled by the individual electrical ...