A5064830975- Gas Sensing Nanomaterials and Sensors
- Conducting polymers and applications
- Transition Metal Oxide Nanomaterials
- Supercapacitor Materials and Fabrication
- ZnO doping and properties
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Advanced Photocatalysis Techniques
- Graphene research and applications
- Advancements in Battery Materials
- Luminescence Properties of Advanced Materials
- Diamond and Carbon-based Materials Research
- Electrohydrodynamics and Fluid Dynamics
- Electrochemical sensors and biosensors
- Advanced battery technologies research
- Copper-based nanomaterials and applications
- Analytical Chemistry and Sensors
- Graphene and Nanomaterials Applications
- 2D Materials and Applications
- TiO2 Photocatalysis and Solar Cells
- Glass properties and applications
- Polymer Nanocomposite Synthesis and Irradiation
- Perovskite Materials and Applications
- Laser-induced spectroscopy and plasma
- Radiation Shielding Materials Analysis
Princess Nourah bint Abdulrahman University
2020-2025
Loughborough University
2013-2017
Tunis El Manar University
2013-2014
Tunis University
2013-2014
A polymeric nanocomposite film, composed of PMMA/PVDF and different amounts CuO NPs, was successfully prepared using the casting method to enhance its electrical conductivity. Various techniques were employed investigate their physicochemical properties. The addition NPs causes a noticeable difference in intensities locations vibrational peaks all bands, confirming incorporation inside PVDF/PMMA. In addition, broadening peak at 2θ = 20.6° becomes more intense with increasing increase...
Graphitic carbon nitride (G-C3N4) was synthesized through the direct combustion of urea in air. The CoS-Co2O3/G-C3N4 composite via hydrothermal method G-C3N4 using cobalt salts. morphological and chemical structures were determined XRD, XPS, SEM, TEM. XRD XPS analyses confirmed structure, function groups, elements percentage prepared nanocomposite. SEM measurements illustrated formation sheets, as well flower shape composite, evidenced nano appendages over sheets. TEM 2D nanosheets with an...
Improving solar cell performance hinges significantly on the application of anti-reflective surface coatings. A wide variety coating techniques, including blade coating, spin dip and others were employed. The present research investigation employed various materials, namely SiO2 (Silicon dioxide), ZrO2 (Zirconium SiO2–ZrO2 blends, to apply a protective layer onto polycrystalline silicon cells using sputter process. efficiency these with multilayer was assessed through diverse...
A graphene oxide (GO)/poly 3-methyl aniline (P3MA) photodetector has been developed for light detection in a broad optical region: UV, Vis, and IR. The was initially synthesized via radical polymerization using an acid medium, i.e., K2S2O8 oxidant. Consequently, the GO/P3MA composite obtained through adsorption of GO into surface P3MA. chemical structure properties prepared materials have illustrated XRD, FTIR, SEM, TEM analysis. absorbance measurements demonstrate good near-IR regions,...
This paper describes the establishment of free-standing rolled graphene oxide (roll-GO) and polypyrrole (Ppy) using a modified Hummer method oxidative polymerization. Then, photodetector was created by removing thin film from filter attaching it to tape. The chemical structure roll-GO confirmed XRD FTIR analysis, while SEM TEM showed that in nature. material had small bandgap 2.4 eV high current density light conditions. responded well monochromatic light, with Jph values changing 0.027...
A highly uniform spherical MoO2-MoO3/polypyrrole core-shell nanocomposite has been successfully synthesized as an optoelectronic photon sensing material, capable of detecting light in the UV, Vis, and IR domains. The is prepared through oxidation pyrrole using Na2MoO4, resulting a morphology that confirmed by TEM, theoretical modeling, SEM analyses. This contributes to its promising optical behavior, characterized small bandgap 1.36 eV. photosensing capability evaluated across spectra,...
Abstract A highly porous potato-shaped nanocomposite, Co(111) and Co(IV) oxide/polypyrrole (Co 2 O 3 -Co 4 /Ppy), is synthesized employing a one-pot procedure involving the slow oxidation of pyrrole using Co(NO ) . The exceptional physical characteristics this nanocomposite are accompanied by impressive optical properties, marked bandgap 1.72 eV. Its absorbance spans across UV, visible (Vis), infrared (IR) regions, making it promising candidate for optoelectronic applications such as...
Chromium (Cr)-doped zinc oxide (ZnO) nanorods with wurtzite hexagonal structure were prepared through a thermal decomposition technique. The concentration effect of the Cr doping on structural, morphological, and optical properties ZnO was established by correlating various measurements: transmission electron microscopy (TEM), photoluminescence (PL), X-ray diffraction (XRD), photoelectron spectroscopy (XPS) several UV-visible studies. obtained investigated as photocatalysts for...
Magnesium-doped zinc oxide "ZnO:Mg" nanocrystals (NCs) were fabricated using a sol gel method. The Mg concentration impact on the structural, morphological, electrical, and dielectric characteristics of ZnO:Mg NCs inspected. X-ray diffraction (XRD) patterns display hexagonal wurtzite structure without any additional phase. TEM images revealed nanometric size particles with spherical-like shape. electrical conductivity ZnO NCs, thermally activated, was found to be dependent content. impedance...
Graphitic carbon nitride (G-C3N4) and NiS-NiO/G-C3N4 nanocomposite have been synthesized via combustion hydrothermal techniques, respectively. The chemical morphological properties of these materials were confirmed using different analytical methods. SEM confirms the formation G-C3N4 sheets containing additional petal-like shapes NiS-NiO nanoparticles. electrochemical testing symmetric supercapacitors is carried out from 0.6 M HCl electrolyte. Such includes charge/discharge, cyclic...
In this report, an economical spray pyrolysis technique was used to develop pure and 2% of Er, Gd, Pr doped MoO3 thin films. Different characterization techniques were utilized study the properties The structural XRD analysis revealed monoclinic crystal structure films with high purity highest size 59 nm for film. Furthermore, lattice constant values increase substitution dopants in morphological studies reticulated nano-fibrous mesh morphology all samples tiny rod-shaped protrusions over...
Rolled graphene oxide (roll-GO) with anew morphological properties than normal is synthesized using modified Hummer. Then, the roll-GO/PANI composite prepared through adsorption of roll-GO on surface PANI film, that performed oxidative polymerization method. The developed displays a small bandgap 1.9 eV and shows high optical property extends wide region from UV to IR regions. chemical structure function groups are confirmed XRD FTIR. was investigated as photodetector. effects different...