A5041094065- Advanced Photocatalysis Techniques
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Copper-based nanomaterials and applications
- Polymer Nanocomposites and Properties
- TiO2 Photocatalysis and Solar Cells
- Polymer crystallization and properties
- Advanced battery technologies research
- Carbon Nanotubes in Composites
- Electrocatalysts for Energy Conversion
- Graphene research and applications
- Electrospun Nanofibers in Biomedical Applications
- Electrochemical Analysis and Applications
- CO2 Reduction Techniques and Catalysts
- Tribology and Wear Analysis
- Polymer Nanocomposite Synthesis and Irradiation
- Supercapacitor Materials and Fabrication
- 2D Materials and Applications
- Ionic liquids properties and applications
- Perovskite Materials and Applications
- biodegradable polymer synthesis and properties
- Natural Fiber Reinforced Composites
- Conducting polymers and applications
- Magnetic Properties and Synthesis of Ferrites
- Fullerene Chemistry and Applications
Institut National de la Recherche Scientifique
2016-2024
Instituto Tecnológico de Ciudad Madero
2013-2022
Centre National pour la Recherche Scientifique et Technique (CNRST)
2016-2020
University of Electronic Science and Technology of China
2017-2020
Chengdu University
2018
Université du Québec
2018
Varian Medical Systems (Switzerland)
2016-2018
Instituto Tecnológico de Querétaro
2014-2016
Universidad Nacional Autónoma de México
2012-2015
Universidad Autónoma del Estado de México
2012-2014
Electrospun one dimensional (1D) and two (2D) carbon based polymer nanocomposites are studied in order to determine the effect provided by differently structured nanofillers on crystallinity thermo-mechanical properties of nanofibres. The nanomaterials pristine nanotubes, oxidised reduced graphene oxide oxide. Functional groups associated with structure polymers analysed infrared Raman spectroscopies; morphology is scanning electron microscopy investigated differential calorimetry X-ray...
Abstract “Giant” core/shell quantum dots (g‐QDs) are a promising class of materials for future optoelectronic technologies due to their superior chemical‐ and photostability compared bare QDs core/thin shell QDs. However, inadequate light absorption in the visible near‐infrared (NIR) region frequent use toxic heavy metals (e.g., Cd Pb) still major challenges most g‐QDs CdSe/CdS) synthesized date. The synthesis NIR, metal‐free, Zn‐treated spherical CuInSe 2 /CuInS is reported using sequential...
Colloidal quantum dots (QDs) are widely studied due to their promising optoelectronic properties. This study explores the application of specially designed and synthesized “giant” core/shell CdSe/(CdS) x QDs with variable CdS shell thickness, while keeping core size at 1.65 nm, as a highly efficient stable light harvester for QD sensitized solar cells (QDSCs). The comparative demonstrates that photovoltaic performance QDSCs can be significantly enhanced by optimizing thickness. highest...
Abstract Colloidal heterostructured quantum dots (QDs) are promising candidates for next‐generation optoelectronic devices. In particular, “giant” core/shell QDs (g‐QDs) can be engineered to exhibit outstanding optical properties and high chemical/photostability the fabrication of high‐performance Here, synthesis CuInSe x S 2− (CISeS)/CdSeS/CdS g‐QDs with pyramidal shape by using a facile two‐step method is reported. The CdSeS/CdS shell demonstrated have pure zinc blend phase other than...
Abstract Here, a facile approach to enhance the performance of solar‐driven photoelectrochemical (PEC) water splitting is described by means synergistic effects hybrid network plasmonic Au nanoparticles (NPs) decorated on multiwalled carbon nanotubes (CNTs). The device based TiO 2 –Au:CNTs sensitized with colloidal CdSe/(CdSe x S 1− ) 5 /(CdS) 1 core/alloyed shell quantum dots (QDs) yields saturated photocurrent density 16.10 ± 0.10 mA cm −2 [at 1.0 V vs reversible hydrogen electrode (RHE)]...
ConspectusSemiconductor nanocrystals exhibit size-tunable absorption and emission ranging from the ultraviolet (UV) to near-infrared (NIR) spectral range, high coefficient, photoluminescence quantum yield. Effective surface passivation of these so-called dots (QDs) may be achieved by growing a shell another semiconductor material. The resulting core/shell QDs can considered as model system study optimize structure/property relations. A special case consists in thick shells (1.5 up few tens...
Here, we report a CdSe/CdSeS alloy/CdS core/shell/shell QD sensitized mesoporous TiO<sub>2</sub> photoanode, which exhibits high performance and long-term stability for solar-driven hydrogen generation.
Abstract The CO 2 electroreduction reaction (CO2RR) presents a pathway to decarbonize the manufacturing industry by using clean electricity and as feedstocks instead of relying on fossil fuels. Although known for over 100 years, this technology has yet only been developed at bench‐top scale (1–100 cm ). In manuscript, we report potassium formate (HCOOK) in stack two 1526‐cm three‐compartments electrochemical cells with gas diffusion electrode (GDE) cathodes. stack, achieved 60 % current...
SnO<sub>2</sub>–TiO<sub>2</sub> heterostructure photoanode sensitized by CdSe/CdS core/thick-shell “giant” QDs demonstrate an unprecedented stability of ∼96%.
A photoelectrochemical device based on a TiO<sub>2</sub>/QD–MWCNT (0.015 wt%) hybrid photoanode yields 40% higher photocurrent density than the control device.
Abstract The synergistic effects derived from optimizing the chemical and structural features of electrocatalysts permit them to attain remarkable activity stability. Herein, 1D/2D cobalt‐based nanohybrid (CoNH) electrodes are developed; design consists Co 3 O 4 electrospun nanoribbons (NRs) deposited onto a carbon fiber paper substrate where nanosheets subsequently grown via an electrodeposition step UV/ozone treatment. content noncovalently functionalized nanotubes within NRs is first...
The toughness and the rheology of polypropylene (PP)‐calcium carbonate (CaCO 3 ) nanocompounds using stearic acid as an interface modifier were studied in this work. Compounding nanocomposites was carried out with a twin‐screw extruder. benchmark samples (untreated) acid‐treated CaCO nanoparticles characterized by Fourier transform infrared (FTIR) spectroscopy. impact test, tensile scanning electron microscopy (SEM), rheological analysis, differential calorimetry (DSC). elongation‐at‐break...
A hybrid counter electrode based on copper sulfide/polymer nanofibers was developed for efficient and stable photoelectrochemical hydrogen generation.
This work highlights the effect of 2D F-h-BN nanoflakes on carrier recombination and performance a photoelectrochemical system.
We report a simple, low temperature and solution-processable approach to prepare composite film of copper sulfide/graphene (CuS-G) as transparent conducting oxide (TCO) platinum (Pt)-free CE for Dye-Sensitized Solar Cells (DSSCs). find that CuS with 3.3 vol% graphene (CuS-3G) yields the highest power conversion efficiency (PCE) 4.83%, which is about 12% higher than DSSCs based on CEs made pristine CuS. After optimizing concentration, PCE DSSC assembled optimized CuS-3G comparable Pt CE. The...
A comparative study of the mechanical performance PP and PP/PP-g-MAH blends reinforced with carbon fibre (CF) obtained by two different moulding techniques is presented. Three filler contents were used for fabricating composites: 1, 3, 5 pph (parts per hundred). The crystallisation behaviour composites was studied differential scanning calorimetry. Morphological structural features these samples observed atomic field microscopy Fourier-transform infrared spectroscopy, respectively....