ListarInstitute of Advanced Materials (INAM) por tema "perovskite solar cells"
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A Perovskite Photovoltaic Mini-Module-CsPbBr3 Photoelectrochemical Cell Tandem Device for Solar-Driven Degradation of Organic Compounds
American Chemical Society (2023-10-02)Recently, halide perovskites have been widely explored for high-efficiency photocatalysis or photoelectrochemical (PEC) cells. Here, in order to make an efficient photoanode electrode for the degradation of pollutants, ... -
An Equivalent Circuit for Perovskite Solar Cell Bridging Sensitized to Thin Film Architectures
Elsevier (2019-08-15)Fundamental working mechanisms of perovskite solar cells (PSCs) remain an elusive topic of research. Impedance spectroscopy (IS) has been key to characterizing photovoltaic devices; however, its application to PSCs has ... -
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 ... -
Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency Techniques
American Chemical Society (2020-09-21)Small perturbation techniques have proven to be useful tools for the investigation of perovskite solar cells. A correct interpretation of the spectra given by impedance spectroscopy (IS), intensity-modulated photocurrent ... -
Beyond Protocols: Understanding the Electrical Behavior of Perovskite Solar Cells by Impedance Spectroscopy
Wiley (2023-08-11)Impedance spectroscopy (IS) is an effective characterization technique used to probe and distinguish charge dynamics occurring at different timescales in optoelectronic and electric devices. With the rapid rise of research ... -
Changes from Bulk to Surface Recombination Mechanisms between Pristine and Cycled Perovskite Solar Cells
American Chemical Society (2017)Several aspects on the photophysical characterization of lead halide hybrid organic–inorganic perovskite solar cells remain unsolved. It has been observed that ionic transport and polarization of the interfaces cause very ... -
Correcting unintended changes in electroluminescence perturbation for reliable light intensity modulated spectroscopies
IOP Publishing (2023-07-21)Light intensity modulated photocurrent and photovoltage spectroscopies, IMPS and IMVS respectively, are characterization techniques for studying charge carrier transport and recombination properties of photosensitive samples ... -
Crystalline Clear or Not: Beneficial and Harmful Effects of Water in Perovskite Solar Cells
Wiley (2019-10-16)Clarification of how water affects the photovoltaic performance of perovskite solar cells is one of the major challenges to successfully develop a large‐scale low‐cost fabrication process. Many authors have reported ... -
Degradation analysis of perovskite solar cells doped with MABr3 via electrochemical impedance
Elsevier (2023)In this study, perovskite solar cells with a structure CsyFA1-xMAxCS0.05Pb(I1.05-xBrx)3, with X = 0 (no doping was added to the base structure CsFAPbI3) and X = 0.085 (CsFAPbI3 was doped with 8.5% MABr3) were prepared ... -
Degradation Analysis of Triple-Cation Perovskite Solar Cells by Electrochemical Impedance Spectroscopy
American Chemical Society (2022)In this work, the electrical properties of different triple-cation compositions with the formula Cs0.05FA1–XMAXPb(I1–XBrX)3 have been analyzed using electrochemical impedance spectroscopy. The perovskite solar cells were ... -
Effect of Environmental Humidity on the Electrical Properties of Lead Halide Perovskites
ACS (2018-12)In large quantities, water is detrimental to lead halide perovskite solar cells, mainly because of the decomposition of the perovskite layer. In contrast, the presence of small quantities of water has been observed to play ... -
Effects of Frequency Dependence of the External Quantum Efficiency of Perovskite Solar Cells
American Chemical Society (2018-05)Perovskite solar cells are known to show very long response time scales, on the order of milliseconds to seconds. This generates considerable doubt over the validity of the measured external quantum efficiency (EQE) and ... -
Effects of Ion Distributions on Charge Collection in Perovskite Solar Cells
American Chemical Society (2017) -
Efficient and Stable Blue- and Red-Emitting Perovskite Nanocrystals through Defect Engineering: PbX2 Purification
American Chemical Society (2021-11-11)Current efforts to reduce the density of structural defects such as surface passivation, doping, and modified synthetic protocols have allowed us to grow high-quality perovskite nanocrystals (PNCs). However, the role of ... -
Enhanced nanoscopy of individual CsPbBr3 perovskite nanocrystals using dielectric sub-micrometric antennas
AIP Publishing (2020-02-11)We demonstrate an efficient, simple, and low-cost approach for enhanced nanoscopy in individual green emitting perovskite (CsPbBr3)nanocrystals via TiO2dielectric nanoantenna. The observed three- to five-fold ... -
Fluoride Chemistry in Tin Halide Perovskites
Wiley (2021-09-20)Tin is the frontrunner for substituting toxic lead in perovskite solar cells. However, tin suffers the detrimental oxidation of SnII to SnIV. Most of reported strategies employ SnF2 in the perovskite precursor solution to ... -
High Shunt Resistance SnO2-PbO Electron Transport Layer for Perovskite Solar Cells Used in Low Lighting Applications
Wiley (2021)Hybrid perovskites are promising materials for new sustainable photovoltaic applications to operate under low lighting conditions, such as the reuse of residual photons that are wasted during indoor lighting. The requirements ... -
High-performance large-area blade-coated perovskite solar cells with low ohmic loss for low lighting indoor applications
Elsevier (2022-05-30)Emerging hybrid organic–inorganic perovskites with superior optoelectronic property demonstrate promising prospect for photovoltaic (PV) applications, in particular for low-lighting indoor applications e.g. within ... -
Homeopathic Perovskite Solar Cells: Effect of Humidity during Fabrication on the Performance and Stability of the Device
American Chemical Society (2018-02)Rapid degradation in humid environments is a major drawback of methylammonium lead iodide (CH3NH3PbI3), which is the archetypical component of perovskite solar cells. In this work, we have investigated the aging and ... -
Impact of core-shell perovskite nanocrystals for LED applications: successes, challenges, and prospects
The Royal Society of Chemistry (2023-07-24)Perovskite nanocrystals (PeNCs) synthesized by colloidal solution methods are an outstanding case of study due to their remarkable optical features, different from their bulk counterpart, such as a tuneable band gap and ...