A. M. Kamal
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View article: Advances in Silicon-Based UV Light Detection
Advances in Silicon-Based UV Light Detection Open
Silicon (Si), the cornerstone semiconductor in the micro-electronics industry, can provide a cost-efficient platform with mature technologies for photodetection in visible and near-infrared regions. However, its intrinsic properties, such …
View article: Impact of SnS<sub>2</sub>/Fe Nanofiller on PVA/PVP Blended Polymer: Structural, Electrical and Radiation Shielding Properties
Impact of SnS<sub>2</sub>/Fe Nanofiller on PVA/PVP Blended Polymer: Structural, Electrical and Radiation Shielding Properties Open
Structure and morphology of PVA/PVP/SnS 2 /Fe-doped blends were considered employing X-ray diffraction and scanning electron microscopy. Maximum dielectric value was attained in the PVA/PVP/1 wt% SnS 2 /Fe blended polymers. Relaxation time…
View article: Carbon Quantum Dots: Synthesis, Characteristics, and Quenching as Biocompatible Fluorescent Probes
Carbon Quantum Dots: Synthesis, Characteristics, and Quenching as Biocompatible Fluorescent Probes Open
Carbon quantum dots (CQDs), a new class of carbon-based nanomaterials, have emerged as nano-scaled probes with photoluminescence that have an eco-friendly and bio-compatible nature. Their cost-efficient synthesis and high photoluminescence…
View article: Design and characterization of novel graphene-enhanced vapor chambers for lightweight and high-performance electronics cooling
Design and characterization of novel graphene-enhanced vapor chambers for lightweight and high-performance electronics cooling Open
The trend towards miniaturization of electronics and increasing transistor density in semiconductors requires more efficient cooling solutions. Vapor chambers are well established passive cooling devices that are used in a wide variety of …
View article: Unveiling the impact of pipe materials on water hammer in pressure pipelines: an experimental and numerical study
Unveiling the impact of pipe materials on water hammer in pressure pipelines: an experimental and numerical study Open
Water hammer (WH) is a phenomenon characterized by the rapid opening or closing of valves or pumps in pipelines, resulting in a disruptive noise, intense vibrations, and potential damage to pipes, fittings, structures, and even human safet…
View article: Design of a Low-Cost PMMA/PVAc/PANI Blended Polymers: Structural, Electrical and Dielectric Characteristics
Design of a Low-Cost PMMA/PVAc/PANI Blended Polymers: Structural, Electrical and Dielectric Characteristics Open
Polymethyl methacrylate (PMMA)/polyvinyl acetate (PVAc)/tetra-n-butylammonium iodide (TBAI)/ x wt % polyaniline (PANI) blended polymers are fabricated using the casting method to operate in energy storage purposes. The structure and morpho…
View article: Polyvinyl alcohol/carboxymethyl cellulose blended polymers doped with PPy/milled MWCNTs filler for Flexible optoelectronic and Energy Storage Applications
Polyvinyl alcohol/carboxymethyl cellulose blended polymers doped with PPy/milled MWCNTs filler for Flexible optoelectronic and Energy Storage Applications Open
Using the solution casting procedure, poly (vinyl alcohol)/carboxymethyl cellulose/polypyrene/milled multiwall carbon nanotubes, PVA/CMC/PPy/x wt% milled MWCNTs blended polymers were formed. X-ray diffraction and scanning electron microsco…
View article: Influence of nature melanin on the structural, linear/nonlinear optical properties and electrical conduction mechanism of PVA/CMC/PPy blended polymers for optoelectronic applications
Influence of nature melanin on the structural, linear/nonlinear optical properties and electrical conduction mechanism of PVA/CMC/PPy blended polymers for optoelectronic applications Open
Polyvinyl alcohol (PVA) and carboxymethyl cellulose (CMC) have been used as polymeric matrices to create polymeric nanocomposite films that contain polypyrrole (PPY) and melanin as fillers. The structure of the PVA/CMC/PPy/x wt % melanin b…
View article: Spectroscopic and electronic investigations on tin(II) 2,3-naphthalocyanine/p-Si heterojunction for optoelectronic applications
Spectroscopic and electronic investigations on tin(II) 2,3-naphthalocyanine/p-Si heterojunction for optoelectronic applications Open
The spectroscopic and electronic properties of small-molecular organic semiconductors in thin films are a significant aspect that controls the performance of their optical/optoelectronic devices. A heterojunction of thermal vacuum deposite…
View article: Impact of ZnMn2O4/CdS nanocomposite on the structural, optical and dielectric characteristics of PMMA/PEO blend
Impact of ZnMn2O4/CdS nanocomposite on the structural, optical and dielectric characteristics of PMMA/PEO blend Open
Herein, polymethyl methacrylate (PMMA)/ polyethylene oxide (PEO) blend doped with nanocomposite (1 − x) ZnMn2O4/xCdS samples were prepared through two steps, the first comprising nanocomposite (1 − x) ZnMn2O4/xCdS samples synthesizing, whi…
View article: Structural, optical, and dielectric properties of PMMA/PEO blend loaded with TiO 2 /V/TBAI
Structural, optical, and dielectric properties of PMMA/PEO blend loaded with TiO 2 /V/TBAI Open
Blended polymer films based on poly (methyl methacrylate) (PMMA), and poly ethylene oxide (PEO), vanadium doped nano titanium dioxide (TiO 2 /V) and different amount of tetrabutylammonium iodide (TBAI) were formed by the sol gel and soluti…
View article: Structural, Optical, and Electrical Parameters of Doped PVA/PVP Blend with TPAI or THAI Salt
Structural, Optical, and Electrical Parameters of Doped PVA/PVP Blend with TPAI or THAI Salt Open
The 70% polyvinyl alcohol/30% polyvinyl pyrrolidone (PVA/PVP) polymer blends, with different weight ratios of tetrapropylammonium iodide (TPAI) or tetrahexylammonium iodide (THAI) salt, were prepared using dimethyl sulfoxide (DMSO) as a so…
View article: Impact of MWCNTs on the structural, electrical, and optical characteristics of PVA/PANi blends
Impact of MWCNTs on the structural, electrical, and optical characteristics of PVA/PANi blends Open
Polyvinyl alcohol (PVA)/0.25% polyaniline (PANi)/x wt % MWCNTs (x = 0, 0.1, 0.2, 0.5, 0.8, 1) blends were formed. The X-ray diffraction technique was used to investigate the formation of the different blends. The effects of the MWCNTs amou…
View article: Impact of ZnS/Mn on the Structure, Optical, and Electric Properties of PVC Polymer
Impact of ZnS/Mn on the Structure, Optical, and Electric Properties of PVC Polymer Open
The most efficient way to create novel materials that may be used in a variety of optoelectronic applications is thought to be doped mixed polymers with appropriate fillers. Undoped and doped PVC polymers with ZnS/Mn formed at different te…
View article: Impact of natural melanin doping on the structural, optical and dielectric characteristics of the PVP/CMC blend
Impact of natural melanin doping on the structural, optical and dielectric characteristics of the PVP/CMC blend Open
Undoped and doped polyvinyl pyrrolidone/ carboxymethyl cellulose (PVP/CMC: 50/50%) blended polymers with melanin were formed. X-ray diffraction analysis confirmed the amorphous nature of all blends. Scanning electron microscopy results con…
View article: Optical investigations of Zn<sub>0.75−<i>x</i></sub>Mn<i><sub>x</sub></i>Cd<sub>0</sub><sub>.25</sub>S/PVA/PEG blend
Optical investigations of Zn<sub>0.75−<i>x</i></sub>Mn<i><sub>x</sub></i>Cd<sub>0</sub><sub>.25</sub>S/PVA/PEG blend Open
Nano Zn0.75−xMnxCd0.25S (x = 0, 0.05. 0.1, 0.15) doped PVA/PEG (7:3) polymer blend was fabricated . X-ray diffraction and scanning electron microscope techniques were used to investigate the possible formed phases in the nanofiller samples…
View article: Optical and structure properties of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite films doped with Cesium
Optical and structure properties of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite films doped with Cesium Open
Methylammonium lead iodide doped with cesium (MA 1– x Cs x PbI 3 , x = 0, 0.03, 0.05, 0.1) thin films were prepared with and without chlorobenzene (CB). X-ray diffraction analysis applying the Rietveld refinement method is carried out, and…
View article: Phase-Matching for Generation of Isolated Attosecond XUV and Soft-X-Ray Pulses with Few-Cycle Drivers
Phase-Matching for Generation of Isolated Attosecond XUV and Soft-X-Ray Pulses with Few-Cycle Drivers Open
Isolated attosecond pulses (IAPs) produced through laser-driven high-harmonic generation (HHG) hold promise for unprecedented insight into physical, chemical, and biological processes via attosecond x-ray diffraction and spectroscopy with …
View article: Phase-matching mechanism for high-harmonic generation in the overdriven regime driven by few-cycle laser pulses
Phase-matching mechanism for high-harmonic generation in the overdriven regime driven by few-cycle laser pulses Open
Isolated attosecond pulses (IAPs) produced through laser-driven high-harmonic generation (HHG) hold promise for unprecedented insight into biological processes via attosecond x-ray diffraction with tabletop sources. However, efficient scal…