Visualitza per paraule clau "Perovskites"
Ara mostrant els elements 1-11 d 11
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Ceramic pigments based on chromium doped alkaline earth titanates
Elsevier (2013-05)In this paper M(Ti1−xCrx)O3 with M=Mg, Ca, Sr, Ba and x=0.01, 0.03, 0.05, 0.1 compositions have been prepared by solid state reaction in order to analyze their reactivity, structure, limit of solid solution, stability and ... -
Development of perovskite optoelectronic devices on flexible substrates
Universitat Jaume I (2022-03-08)In this thesis, first, the monolithic integration of a perovskite-based optical waveguide amplifier together with a photodetector on a nanocellulose substrate is shown to demonstrate the feasibility of a stretchable signal ... -
High Quality Perovskite Materials for X-Ray Detection: Effect of Mobile Ions on Dark Current Stability
Universitat Jaume I (2022-12-13)Long-term stability of perovskite-based X ray detectors under working condition remains as the bottle-neck for technological purpose. Several effects are attributed to the presence of mobile ions in these materials such ... -
Hysteresis and Capacitive Features of Perovskite Solar Cells
Universitat Jaume I (2020-06-19)In the present work, anomalous distortions occurring in the current-voltage characteristic of perovskite solar cells (PSCs), usually called J-V curve hysteresis, are studied by several methods. This includes dynamic ... -
Hysteresis Control in Hybrid Perovskite-based Devices for Photovoltaic and Neuromorphic Computing Applications
Universitat Jaume I (2023-07-07)Perovskite solar cells have been rapidly advancing in record efficiencies at an unprecedented rate already approaching the theoretical maximum efficiency in just over a decade of development. Most notably, perovskites ... -
Impedance Spectroscopy of Metal Halide Perovskite Solar Cells from the Perspective of Equivalent Circuits
American Chemical Society (2021-12-08)Impedance spectroscopy (IS) provides a detailed understanding of the dynamic phenomena underlying the operation of photovoltaic and optoelectronic devices. Here we provide a broad summary of the application of IS to metal ... -
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 ... -
Pink ceramic pigments based on chromium doped M(Al2-xCrx)O-4, M = Mg, Zn, normal spinel
Elsevier (2013-08)In this paper M(Al2−xCrx)O4, MMg, Zn and x from 0.05 to 2 compositions, have been prepared by solid state reaction in order to analyse their reactivity, structure, limit of solid solution, stability and pigmenting properties ... -
Small Perturbation Techniques for the Electronic Analysis of Perovskite Devices
Universitat Jaume I (2023-02-20)Metal-halide perovskites have emerged as a promising semiconductor material for a variety of potential applications, due to their intrinsic properties and their low-cost fabrication methods. Perovskite solar cells have ... -
Switching Off Hysteresis in Perovskite Solar Cells by Fine‐Tuning Energy Levels of Extraction Layers
Wiley (2018-07-25)Lead halide perovskites often suffer from a strong hysteretic behavior on their j–V response in photovoltaic devices that has been correlated with slow ion migration. The electron extraction layer has frequently been pointed ... -
Tunable light emission by exciplex state formation between hybrid halide perovskite and core/shell quantum dots: Implications in advanced LEDs and photovoltaics
American Association for the Advancement of Science (2016)We report the first observation of exciplex state electroluminescence due to carrier injection between the hybrid lead halide perovskite (MAPbI3–xClx) and quantum dots (core/shell PbS/CdS). Single layers of perovskite (PS) ...