A5058690831- Semiconductor materials and devices
- ZnO doping and properties
- Luminescence Properties of Advanced Materials
- Catalytic Processes in Materials Science
- Gas Sensing Nanomaterials and Sensors
- TiO2 Photocatalysis and Solar Cells
- Photonic and Optical Devices
- Electronic and Structural Properties of Oxides
- Advanced Photocatalysis Techniques
- Optical Coatings and Gratings
- Radiation Detection and Scintillator Technologies
- Pigment Synthesis and Properties
- Copper-based nanomaterials and applications
- Carbon Nanotubes in Composites
- Advanced Fiber Laser Technologies
- Nonlinear Optical Materials Studies
- Nanoparticles: synthesis and applications
- Silicon Nanostructures and Photoluminescence
- Advanced Sensor Technologies Research
- Electrocatalysts for Energy Conversion
- Ecology and Vegetation Dynamics Studies
- Radiation Effects and Dosimetry
- Nanocluster Synthesis and Applications
- Solar-Powered Water Purification Methods
- Ga2O3 and related materials
Universidad Nacional Autónoma de México
1991-2025
Universidad Autónoma de Baja California
2021-2023
Consejo Nacional de Humanidades, Ciencias y Tecnologías
2016-2022
Ensenada Institute of Technology
2021
Institut Català de Nanociència i Nanotecnologia
2020-2021
Universidad de Sonora
2010-2014
Abstract The scientific community is exploiting the use of silver nanoparticles (AgNPs) in nanomedicine and other AgNPs combination like with biomaterials to reduce microbial contamination. In field biomaterials, are used as an antimicrobial agent. One most effective approaches for production green synthesis. Lysiloma acapulcensis ( L. ) a perennial tree traditional medicine Mexico. This contains abundant compounds. context activity, extracts can enhance its activity. this work, we...
Abstract. The Zapotitlán de las Salinas valley, central Mexico, harbours a high diversity of cacti. Pattern analysis indicated that the establishment two columnar cacti, Neobuxbaumia tetetzo and Cephalocereus hoppenstedtii , three small globose Coryphantapallida, Mammillaria colina andM casoi is aggregated associated with perennial nurse shrubs. Some species, Castela tortuosa, Caesalpinia melanadenia Eupatorium spinosarum have higher number cacti beneath their canopies than would be expected...
Abstract In this work we use Mimosa tenuiflora (MtE) extracts as reducing agents to synthesize silver nanoparticles (AgMt NPs) which were characterized by DPPH and Total Polyphenols Assays, UV–visible, X-ray diffractometer (XRD), high-resolution transmission electron microscopy (HRTEM), photoelectron spectroscopy (XPS) Thermogravimetric analysis (TGA). AgMt NPs possess average sizes of 21 nm fcc crystalline structure, it was also confirmed that the MtE is present in even after cleaning...
The high-k materials are essential in thin-film transistors. A well-controlled thin film deposition that produces less electronic defects induced by charged vacancies is highly desirable for avoiding high leakage current and providing an exceptional dielectric strength. This work addresses the use of atomic layer (ALD), plasma-enhanced ALD (PEALD), its variants to produce low-defective HfO2. X-ray photoelectron spectroscopy (XPS) Capacitance-Voltage (C-V) analysis revealed thermal (TALD)...
Abstract A novel Hematene 2D nanosheets-ZnO (ZnO-Hm) composite was successfully synthesized via a facile liquid exfoliation method. AFM, TEM and UV-vis techniques confirmed the successful of formation composite. The ZnO-Hm exhibited enhanced visible light absorption compared to pure ZnO, attributed synergistic interaction between two materials, leading improved photocatalytic activity for degradation methylene blue rhodamine B under or UVA irradiation. complete dyes significantly light....
Solar stills are an excellent option for providing freshwater to isolated communities living near the coast of Baja California, Mexico, and facing scarcity.Double-slope solar simple easy operate; however, they normally produce low volumes condensate.To overcome this, changes architecture still, implementation mechanical items, or addition nanoparticles water have been proposed.Since coupling still with a preheater adding nanomaterials can be done without incurring in costly designs, provided...
This is a report of study the nonlinear optical properties samples based on multiple Al2O3/ZnO bilayers fabricated by atomic layer deposition (ALD) in silica. The multi-layer configuration for consists alternated layers constant thickness Al2O3 (Δx) and ZnO (Δy) nanolaminates with total ∼ 500 nm. physical were characterized means TEM, spectrophotometry variable angle spectroscopic ellipsometry. absorptive refractive contributions to nonlinearity studied z-scan technique using 100 fs at 800...
The atomic-scale explanation of ZnO surface reconstructions is relevant to strengthen its use in technological applications and guide experimental efforts improving the growth techniques. Several have been observed for both polar surfaces, so-called (0001) (0001̅), which correspond Zn O terminations. evidence brings an insight into stabilization mechanisms vital processes. This work explores stability between previously reported (2 × 2), (4 4) pit, pit + Zn, against (1 3) reconstruction...
Nanosized ZnO:Mg phosphors were synthesized through a controlled chemical reaction. X-ray diffraction patterns confirmed that Mg entered in substitutive way Zn sites. To investigate their thermoluminescence (TL) properties, some samples exposed to beta-particle irradiation. The results reported here show doping improves ZnO TL features are important for dosimetry applications, such as the shape of glow curve, temperature at which maximum intensity is observed, and fading reproducibility. No...
Atomic description of ALD in systems that combine large surface area and high reactivity is key for selecting the right functional group to enhance ligand-exchange reactions.
Abstract Dyes pollution is a serious environmental problem and heterogeneous catalysis has been proposed as remediation method. In this study, set of catalysts synthetic mordenite with iron oxides was synthesized by simple chemical co-precipitation method assisted subsequent thermal treatment an oxidation process. Physicochemical characterization prepared materials performed variety techniques, including XRD, SEM, EDS, S BET , UV–Vis DR, XPS. Photocatalytic methylene blue (MB) degradation...