Listar Institute of Advanced Materials (INAM) por fecha de publicación
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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 ... -
Properties of Contact and Bulk Impedances in Hybrid Lead Halide Perovskite Solar Cells Including Inductive Loop Elements
American Chemical Society (2016)Impedance spectroscopy offers access to all the different electronic and ionic processes taking place simultaneously in an operating solar cell. To date, its use on perovskite solar cells has been challenging because of ... -
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 ... -
Polyaromatic N-heterocyclic carbene ligands and π-stacking. Catalytic consequences
Royal Society of Chemistry (2016-04)In the course of our most recent research, we demonstrated how homogeneous catalysts with polyaromatic functionalities possess properties that clearly differ from those shown by analogues lacking these polyaromatic ... -
Cooperative Catalytic Effect of ZrO2 and a-Fe2O3 Nanoparticles on BiVO4 Photoanodes for Enhanced Photoelectrochemical Water Splitting
Wiley (2016-09)Photoelectrochemical water splitting with metal oxide semiconductors offers a cost-competitive alternative for the generation of solar fuels. Most of the materials studied so far suffer from poor charge-transfer kinetics ... -
Electropolymerized polyaniline: A promising hole selective contact in organic photoelectrochemical cells
Elsevier (2016-11)In the present study, we have prepared Polyaniline (PANI) thin films by electrochemical polymerization on ITO substrates in acidic medium at room temperature. We have followed a systematic modification of both the precursor ... -
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 ... -
Solar Energy Storage by a Heterostructured BiVO4–PbOx Photocapacitive Device
American Chemical Society (2017)The development of solar energy storage strategies is a key step for handling the inherent variability of sunlight within a global solar-based energy model. In the present study, we have developed a photocapacitive device ... -
Photovoltage Behavior in Perovskite Solar Cells under Light-Soaking Showing Photoinduced Interfacial Changes
American Chemical Society (2017)The photovoltage of perovskite solar cells (PSCs) was studied over a wide range of light intensities, showing changes from pristine to light-soaking (LS) conditions, explained using a specific model of spatial charge ... -
Deleterious Effect of Negative Capacitance on the Performance of Halide Perovskite Solar Cells
American Chemical Society (2017)Negative capacitance in photovoltaic devices has been observed and reported in several cases, but its origin, at low or intermediate frequencies, is under debate. Here we unambiguously demonstrate a direct correlation ... -
Guanidinium thiocyanate selective Ostwald ripening induced large grain for high performance perovskite solar cells
Elsevier (2017)Organic-inorganic lead halide perovskite has become one of the most attractive materials for future low-cost high-efficiency solar technology. However, the polycrystalline nature of perovskite thin-film often possesses ... -
Lead-Free Perovskite Solar Cells
American Chemical Society (2017) -
Advances and Obstacles on Perovskite Solar Cell Research from Material Properties to Photovoltaic Functio
American Chemical Society (2017) -
Effects of Ion Distributions on Charge Collection in Perovskite Solar Cells
American Chemical Society (2017) -
Hydrazine sensors development based on a glassy carbon electrode modified with a nanostructured TiO2 films by electrochemical approach
Springer Verlag (2017)The authors describe a selective hydrazine sensor that is based on the use of a film of TiO2 nanoparticles faceted predominantly at the 101 and 001 sides. The hydrazine (Hyd) sensor was fabricated by depositing the ... -
Device performance and light characteristics stability of quantum-dot-based white-light-emitting diodes
Springer Verlag (2017)Advances in image quality in recent decades have made it necessary to develop new technologies for producing displays to meet remarkably stricter standards. The display market is governed mainly by liquid crystal display ... -
Gold(I) Metallo‐Tweezers for the Recognition of Functionalized Polycyclic Aromatic Hydrocarbons by Combined π–π Stacking and H‐Bonding
Wiley (2017)Two gold(I)‐based metallo‐tweezers with bis(Au−NHC) pincers and a carbazole connector have been obtained and used for the recognition of polycyclic aromatic hydrocarbons (PAHs). In the case of the tweezer with pyrene–NHC ... -
Stability of dye-sensitized solar cells under extended thermal stress
Royal Society of Chemistry (2017)In the last few decades, dye-sensitized solar cell (DSC) technology has been demonstrated to be a promising candidate for low cost energy production due to cost-effective materials and fabrication processes. Arguably, DSC ... -
Imidazolium Iodide-Doped PEDOT Nanofibers as Conductive Catalysts for Highly Efficient Solid-State Dye-Sensitized Solar Cells Employing Polymer Electrolyte
American Chemical Society (2017)The electrical conductivity and catalytic activity of nanofibrous poly(3,4-ethylenedioxythiophene)s (PEDOT NFs) was improved by redoping with dimethyl imidazolium iodide (DMII) as a charge transfer facilitator. Addition ... -
Perovskite solar cells: a brief introduction and some remarks
Sociedad Cubana de Física (2017)The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community ...