Franklin Jaramillo
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View article: Full‐Solution Processed Halide Perovskite Photoanodes with Carbon/NiFe‐LDH Protection for Efficient Photoelectrochemical Water Oxidation
Full‐Solution Processed Halide Perovskite Photoanodes with Carbon/NiFe‐LDH Protection for Efficient Photoelectrochemical Water Oxidation Open
The development of photoelectrochemical water oxidation (PEC) systems has gained significant relevance in recent years due to the quest for clean fuels, where green hydrogen is one of the main actors in the energy transition. Particularly,…
View article: Development and characterization of carbon-based conductive pastes with high mechanical integrity under bending stress for room-temperature printable electronics
Development and characterization of carbon-based conductive pastes with high mechanical integrity under bending stress for room-temperature printable electronics Open
Room temperature processing of flexible electronics has become of great interest, as it allows for simpler and cheaper methodologies for high throughput manufacturing of printed electronics. This study focuses on the development and charac…
View article: Toward Green Processing of Perovskite Solar Cells: Protic Ionic Liquids Enable Water‐ and Alcohol‐Based MAPbI<sub>3</sub> Precursors Inks for Slot‐Die Coating
Toward Green Processing of Perovskite Solar Cells: Protic Ionic Liquids Enable Water‐ and Alcohol‐Based MAPbI<sub>3</sub> Precursors Inks for Slot‐Die Coating Open
Halide perovskite solar cells are approaching commercialization, with solution processing emerging as a key method for large‐scale production. This study introduces a significant advancement: using non‐toxic solvents like water and alcohol…
View article: Outdoor Evaluation of Bipv Cigs Roof Tile and Flexible Modules in Tropical Conditions
Outdoor Evaluation of Bipv Cigs Roof Tile and Flexible Modules in Tropical Conditions Open
View article: Bismuth(III) Telluride and Graphite Nanoplatelets Composite: Manufacturing, Characterization, and Thermoelectric Properties
Bismuth(III) Telluride and Graphite Nanoplatelets Composite: Manufacturing, Characterization, and Thermoelectric Properties Open
View article: Enhancement of Electrochemical Stability by Molecular Cation Vacancies of the Electrode Material Ch3nh3nicl3 for Lithium-Ion Batteries
Enhancement of Electrochemical Stability by Molecular Cation Vacancies of the Electrode Material Ch3nh3nicl3 for Lithium-Ion Batteries Open
View article: Renewable Energy Sources for Green Hydrogen Generation in Colombia and Applicable Case of Studies
Renewable Energy Sources for Green Hydrogen Generation in Colombia and Applicable Case of Studies Open
Electrification using renewable energy sources represents a clear path toward solving the current global energy crisis. In Colombia, this challenge also involves the diversification of the electrical energy sources to overcome the historic…
View article: Enhancing Thermomechanical Strength and Thermal Stability of Poly(dicyclopentadiene) Composites through Cost-Effective Fly Ash Reinforcement for Structural and Impact Applications
Enhancing Thermomechanical Strength and Thermal Stability of Poly(dicyclopentadiene) Composites through Cost-Effective Fly Ash Reinforcement for Structural and Impact Applications Open
Poly(dicyclopentadiene) (poly-DCPD) is a thermoset with potential for high-performance applications. In this research, epoxy resin was blended with different concentrations of fly ash class F particles at 0.0, 1.0, 10.0, and 50.0 wt.%, aim…
View article: The crystal chemistry and reactivity of ternary Na2Fe3Cl8 from the NaCl-FeCl2 system and its potential application as coating layer for cathode in sodium ion batteries
The crystal chemistry and reactivity of ternary Na2Fe3Cl8 from the NaCl-FeCl2 system and its potential application as coating layer for cathode in sodium ion batteries Open
View article: Low organic content hybrid perovskite (Cs1-xDMAx)Pb(Br1-xIx)3 with increased stability for solar cell fabrication
Low organic content hybrid perovskite (Cs1-xDMAx)Pb(Br1-xIx)3 with increased stability for solar cell fabrication Open
Hybrid perovskites with reduced organic content have brought great interest for solar cells applications. Particularly, adding inorganic cations increase material stability, by providing an adequate tolerance factor. However, these cations…
View article: New insights on the reaction mechanism and charge contribution of NaNiF3 perovskite as an anode for sodium-ion batteries
New insights on the reaction mechanism and charge contribution of NaNiF3 perovskite as an anode for sodium-ion batteries Open
Sodium-ion battery is a growing technology that has become a major focus of attention for energy storage of smart electric grids and renewable energy because of the enormous availability of sodium and its low cost of production. Particular…
View article: Outdoor and synthetic performance data for PV devices concerning the weather conditions and capacitor values of I-V tracer
Outdoor and synthetic performance data for PV devices concerning the weather conditions and capacitor values of I-V tracer Open
View article: Encapsulation against Extrinsic Degradation Factors and Stability Testing of Perovskite Solar Cells
Encapsulation against Extrinsic Degradation Factors and Stability Testing of Perovskite Solar Cells Open
Commercialization of perovskite solar technology depends on reaching a stable functioning of the devices. In this regard, both intrinsic (chemistry phenomena of the different device layers) and extrinsic factors (environmental) need to be …
View article: Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer
Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer Open
An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an electrically focused tunable lens and…
View article: Photovoltaic performance assess by correcting the I-V curves in outdoor tests
Photovoltaic performance assess by correcting the I-V curves in outdoor tests Open
The photovoltaic performance is conventionally defined at Standard Test Conditions (STC), considering mainly an irradiance of 1000 W/m2 and device temperature of 25 °C. Nevertheless, outdoor conditions involve additional variables, includi…
View article: Experimental steady-state and transient thermal performance of materials for thermal energy storage in building applications: From powder SS-PCMs to SS-PCM-based acrylic plaster
Experimental steady-state and transient thermal performance of materials for thermal energy storage in building applications: From powder SS-PCMs to SS-PCM-based acrylic plaster Open
View article: Outdoor Performance of Perovskite Photovoltaic Technology
Outdoor Performance of Perovskite Photovoltaic Technology Open
In the case of emerging photovoltaic technologies such as perovskite, most published works have focused on laboratory-scale cells, indoor conditions and no international standards have been fully established and adopted. Accordingly, this …
View article: Thermal reliability of organic-organic phase change materials and their shape-stabilized composites
Thermal reliability of organic-organic phase change materials and their shape-stabilized composites Open
View article: Experimental determination of thermal conductivity of fatty acid binary mixtures and their shape-stabilized composites
Experimental determination of thermal conductivity of fatty acid binary mixtures and their shape-stabilized composites Open
View article: Design of two-dimensional perovskite solar cells with superior efficiency and stability
Design of two-dimensional perovskite solar cells with superior efficiency and stability Open
Pervskite solar cells have attracted extensive attention from researchers worldwide due to their rapid development and efficiency. Nevertheless, stability is still an issue that limits the advance of this technology. In this work, we prese…
View article: Diversificación de la matriz energética y uso eficiente del recurso energético
Diversificación de la matriz energética y uso eficiente del recurso energético Open
View article: XPS of the surface chemical environment of CsMAFAPbBrI trication-mixed halide perovskite film
XPS of the surface chemical environment of CsMAFAPbBrI trication-mixed halide perovskite film Open
Perovskite-based materials have been considered as the most promising materials in several solar-driven processes, especially photovoltaics. Some features such as high sunlight harvesting and improved carrier transport have been highlighte…
View article: From Clay Minerals to Al2O3 Nanoparticles: Synthesis and Colloidal Stabilization for Optoelectronic Applications
From Clay Minerals to Al2O3 Nanoparticles: Synthesis and Colloidal Stabilization for Optoelectronic Applications Open
This research was performed to obtain high-value products from clay materials. High-grade nanometric delta-alumina (δ-Al2O3) was obtained from the modification of clay-based minerals, which could be potentially applied in the form of thin …
View article: Unravelling the Photocatalytic Behavior of All-Inorganic Mixed Halide Perovskites: The Role of Surface Chemical States
Unravelling the Photocatalytic Behavior of All-Inorganic Mixed Halide Perovskites: The Role of Surface Chemical States Open
Within the most mesmerizing materials in the world of optoelectronics, mixed halide perovskites (MHPs) have been distinguished because of the tunability of their optoelectronic properties, balancing both the light-harvesting efficiency and…
View article: Air-Stable n–i–p Planar Perovskite Solar Cells Using Nickel Oxide Nanocrystals as Sole Hole-Transporting Material
Air-Stable n–i–p Planar Perovskite Solar Cells Using Nickel Oxide Nanocrystals as Sole Hole-Transporting Material Open
Development of low-cost solution processable inorganic hole-transporting materials (HTM) in n-i-p perovskite solar cells (PSCs) is still a challenge toward stable and cost-effective devices. Here, we report the synthesis, surface functiona…
View article: Copper sulfide nanoparticles as hole-transporting-material in a fully-inorganic blocking layers n-i-p perovskite solar cells: Application and working insights
Copper sulfide nanoparticles as hole-transporting-material in a fully-inorganic blocking layers n-i-p perovskite solar cells: Application and working insights Open
View article: Hidden energy levels? Carrier transport ability of CdS/CdS<sub>1−x</sub>Se<sub>x</sub> quantum dot solar cells impacted by Cd–Cd level formation
Hidden energy levels? Carrier transport ability of CdS/CdS<sub>1−x</sub>Se<sub>x</sub> quantum dot solar cells impacted by Cd–Cd level formation Open
Hidden Cd–Cd energy levels formed in Cd–chalcogenides impact both light harvesting and electron transport in quantum dot-sensitized solar cells.
View article: Numerical Analysis to Determine Reliable One-Diode Model Parameters for Perovskite Solar Cells
Numerical Analysis to Determine Reliable One-Diode Model Parameters for Perovskite Solar Cells Open
With the aim to determine the photo-generated current, diode saturation current, ideality factor, shunt, and series resistances related to the one-diode model for p-i-n planar perovskite solar cells, reference cells with active area of app…
View article: Photophysics behind highly luminescent two-dimensional hybrid perovskite (CH<sub>3</sub>(CH<sub>2</sub>)<sub>2</sub>NH<sub>3</sub>)<sub>2</sub>(CH<sub>3</sub>NH<sub>3</sub>)<sub>2</sub>Pb<sub>3</sub>Br<sub>10</sub> thin films
Photophysics behind highly luminescent two-dimensional hybrid perovskite (CH<sub>3</sub>(CH<sub>2</sub>)<sub>2</sub>NH<sub>3</sub>)<sub>2</sub>(CH<sub>3</sub>NH<sub>3</sub>)<sub>2</sub>Pb<sub>3</sub>Br<sub>10</sub> thin films Open
Two-dimensional (2D) Ruddlesden–Popper perovskites have emerged as a new class of hybrid materials with high photoluminescence and improved stability compared to their three-dimensional (3D) counterparts.
View article: The role of boron in the carrier transport improvement of CdSe-sensitized B,N,F-TiO<sub>2</sub> nanotube solar cells: a synergistic strategy
The role of boron in the carrier transport improvement of CdSe-sensitized B,N,F-TiO<sub>2</sub> nanotube solar cells: a synergistic strategy Open
The presence of boron intensifies the synergistic effect of doping and sensitization to improve charge carrier transport into solar devices.