Listar por tema "capacitance"
Mostrando ítems 1-13 de 13
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Analysis of the Influence of Selective Contact Heterojunctions on the Performance of Perovskite Solar Cells
ACS (2018-03)Knowledge of the mechanisms that take place at the selective contacts, located at the charge-transport-layer (CTL)/perovskite heterojunctions, is crucial for the optimization of perovskite solar cells. Anomalous high ... -
Capacitive dark currents, hysteresis, and electrode polarization in lead halide perovskite solar cells
American Chemical Society (2015-04)Despite spectacular advances in conversion efficiency of perovskite solar cell many aspects of its operating modes are still poorly understood. Capacitance constitutes a key parameter to explore which mechanisms control ... -
Carrier recombination losses in inverted polymer: Fullerene solar cells with ZnO hole-blocking layer from transient photovoltage and impedance spectroscopy techniques.
© 2011 American Institute of Physics (2011-04)In this study, full coincidence between impedance spectroscopy and transient photovoltage techniques in measuring recombination kinetics of photogenerated charge carriers in inverted polymer:fullerene organic solar cells ... -
Charge transport in organic semiconductors with application to optoelectronic devices
Universitat Jaume I (2010-10-04)El estudio del transporte de carga en semiconductores orgánicos contribuye al desarrollo y optimización de LEDs orgánicos y nuevas células solares. En OLEDs de un sólo portador se ha encontrado una fórmula explícita de la ... -
Device Physics of Hybrid Perovskite Solar cells: Theory and Experiment
Wiley (2018)Perovskite solar cells (PSCs) exhibit a series of distinctive features in their optoelectronic response which have a crucial influence on the performance, particularly for long-time response. Here, a survey of recent ... -
Do Capacitance Measurements Reveal Light-Induced Bulk Dielectric Changes in Photovoltaic Perovskites?
American Chemical Society (2018-06)Several studies have identified complex interactions between photogenerated carriers and the crystal lattice in perovskite materials for photovoltaics, which are regarded to have an inherently soft character. Light is known ... -
Interfacial and Bulk Operation of Polymeric Solar Cells by Optoelectronics and Structural Techniques
Universitat Jaume I (2014-07-15)This Ph.D. Thesis focuses on the investigation of organic photovoltaic (OPV) technology, especially in aspects of experimental device processing, and optoelectronic and electrical characterization on OPV devices to be ... -
Investigation of electronic structure, morphological features, optical, colorimetric, and supercapacitor electrode properties of CoWO4 crystals
Elsevier B.V. (2022-01-12)Cobalt tungstate (CoWO4) crystals were synthesized by the co-precipitation (CP) and polymeric precursor (PP) methods with posterior heat treatment at 800 °C for 4 h. The electronic structure, morphological features, optical, ... -
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 ... -
On Mott-Schottky analysis interpretation of capacitance measurements in organometal perovskite solar cells
AIP Publishing (2016)Capacitance response of perovskite-based solar cells (PSCs) can be exploited to infer underlying physical mechanisms, both in the materials bulk and at outer interfaces. Particularly interesting is applying the depletion ... -
Overcoming ionic migration in perovskite solar cells through alkali metals
Elsevier (2024-01-17)Alkali metals, as additives in perovskite solar cells (PSCs), have been extensively investigated for their impact on performance enhancement. This performance is sensitive to ion-driven interfacial recombination processes ... -
Quantification of bio-anode capacitance in bioelectrochemical systems using Electrochemical Impedance Spectroscopy
Elsevier (2018-10)Understanding the electrochemical properties of bio-anodes is essential to improve performance of bioelectrochemical systems. Electrochemical Impedance Spectroscopy (EIS) is often used to study these properties in detail. ... -
Utilization of Temperature-Sweeping Capacitive Techniques to Evaluate Band Gap Defect Densities in Photovoltaic Perovskites
American Chemical Society (2019-06-12)Capacitive techniques, routinely used for solar cell parameter extraction, probe the voltage-modulation of the depletion layer capacitance isothermally as well as under varying temperature. In addition, defect states within ...