Browsing INAM_Articles by Title
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Direct observation of surface polarization at hybrid perovskite/Au interfaces by dark transient experiments
American Institute of Physics (2020-05-05)A distinctive feature of hybrid perovskite light-absorbing materials is the non-negligible ionic conductivity influencing photovoltaic performance and stability. Moving ions or vacancies can naturally accumulate at the ... -
Direct Observation of the Chemical Transformations in BiVO4 Photoanodes upon Prolonged Light-Aging Treatments
Wiley (2022-03-11)Exposing BiVO4 photoanodes to light-aging treatments is known to produce a significant photocurrent enhancement. Until now, the interpretation given to this phenomenon is associated to the formation of oxygen vacancies and ... -
Directional and Polarized Lasing Action on Pb-free FASnI3 Integrated in Flexible Optical Waveguide
(2022)In this work, high-quality FASnI3 (FA, formamidinium) lead-free perovskite thin films are successfully incorporated in a flexible polyethylene terephthalate (PET) substrate to demonstrate amplified spontaneous emission ... -
Discerning recombination mechanisms and ideality factors through impedance analysis of high-efficiency perovskite solar cells
Elsevier (2018)The ubiquitous hysteresis in the current-voltage characteristic of perovskite solar cells (PSCs) interferes in a proper determination of the diode ideality factor (n), a key parameter commonly adopted to analyze recombination ... -
Discovery of SARS-CoV-2 M-pro peptide inhibitors from modelling substrate and ligand binding
The Royal Society of Chemistry (2021-09-06)The main protease (Mpro) of SARS-CoV-2 is central to viral maturation and is a promising drug target, but little is known about structural aspects of how it binds to its 11 natural cleavage sites. We used biophysical and ... -
Distinction between capacitive and noncapacitive hysteretic currents in operation and degradation of perovskite solar cells
American Chemical Society (2016)Perovskite solar cells suffer from significant performance distortions under working conditions, usually known by the generic label of hysteretic effects. A classification of the fluctuations associated with current–voltage ... -
Diverse Coordination Modes of Bidentate COC and Tridentate CNC Ligands Comprising 1,2,3-Triazol-5-ylidenes
American Chemical Society (2019)Two readily available bis(1,2,3-triazol-5-ylidene) ligand precursors [H2(COC)](PF6)2 and [H2(CHNC)](PF6)2, bridged by an ether or amine functionality, respectively, were prepared. Their coordination versatility was evaluated ... -
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 ... -
Dual role of graphene as support of ligand-stabilized palladium nanoparticles and carbocatalyst for (de)hydrogenation of N-heterocycles
Elsevier (2023-02-18)The hybrid material composed of palladium nanoparticles (PdNPs) functionalized with N-heterocyclic carbene ligands (NHCs) immobilized onto the surface of reduced graphene oxide (rGO) results in an efficient catalytic ... -
Dynamic Instability and Time Domain Response of a Model Halide Perovskite Memristor for Artificial Neurons
American Chemical Society (2022-04-22)Memristors are candidate devices for constructing artificial neurons, synapses, and computational networks for brainlike information processing and sensory-motor autonomous systems. However, the dynamics of natural neurons ... -
Easy Formation of Functional Liposomes in Water Using a pH‐Responsive Microbial Glycolipid: Encapsulation of Magnetic and Upconverting Nanoparticles
Wiley (2019)The compartmentalization of colloids into topologically closed, vesicular, microphases offers an attractive mean to concentrate a functional cargo in aqueous solutions for a range of biomedical, cosmetic, and biotechnological ... -
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 ... -
Effect of Hyaluronic Acid on the Self-Assembly of a Dipeptide-Based Supramolecular Gel
Wiley (2023-10-02)The combination of polymers and low molecular weight (LMW) compounds is a powerful approach to prepare new supramolecular materials. Here we prepare two-component hydrogels made by a well-known and biologically active ... -
Effect of Light Illumination on Mixed Halide Lead Perovskites: Reversible or Irreversible Transformation
American Chemical Society (2018)One intriguing aspect of mixed halide lead perovskites (e.g., CH3NH3PbBrxI3–x) is halide ion segregation when subjected to visible illumination, but this aspect gives rise to the concerns regarding the influence of halide ... -
Effect of Pristine Graphene on Methylammonium Lead Iodide Films and Implications on Solar Cell Performance
American Chemical Society (2021)The relatively low stability of solar cells based on hybrid halide perovskites is the main issue to be solved for the implementation in real life of these extraordinary materials. Degradation is accelerated by temperature, ... -
Effective Ion Mobility and Long-Term Dark Current of Metal Halide Perovskites with Different Crystallinities and Compositions
Wiley (2022-12)Ion transport properties in metal halide perovskite still constitute a subject of intense research because of the evident connection between mobile defects and device performance and operation degradation. In the case of ... -
Effects of chain length on the size, stability, and electronic structure of redox-active organic– inorganic hybrid polyoxometalate micelles
Royal Society of Chemistry (2019)Double-chain redox-active surfactants based on hybrid polyoxometalates show solvent-dependent assembly into nanoscale micellar architectures. These organic–inorganic hybrid amphiphiles, of the general formula K6[P2W17O61 ... -
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 ...