Garuda - Garba Rujukan Digital

p-Index From 2021 - 2026

0.444

P-Index

This Author published in this journals

All Journal International Journal of Electrical and Computer Engineering International Journal of Applied Power Engineering (IJAPE) Indonesian Journal of Electrical Engineering and Informatics (IJEEI)

Ahmed Thabet

Aswan University

Author-ID : 2385478

Computer Science & IT Electrical & Electronics Engineering

Published : 5 Documents Claim Missing Document

Claim Missing Document

Articles

Ultra-optical characterization of thin film solar cells materials using core/shell absorber layer Ahmed Thabet; Safaa Abdelhady; Youssef Mobarak
International Journal of Electrical and Computer Engineering (IJECE) Vol 12, No 2: April 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v12i2.pp1377-1384

This paper investigates on new design of heterojunction quantum dot (HJQD) photovoltaics solar cells CdS/PbS that is based on quantum dot metallics PbS core/shell absorber layer and quantum dot window layer. It has been enhanced the performance of traditional HJQD thin film solar cells model based on quantum dot absorber layer and bulk window layer. The new design has been used sub-micro absorber layer thickness to achieve high efficiency with material reduction, low cost, and time. Metallics-semiconductor core/shell absorber layer has been succeeded for improving the optical characteristics such energy band gap and the absorption of absorber layer materials, also enhancing the performance of HJQD ITO/CdS/QDPbS/Au, sub micro thin film solar cells. Finally, it has been formulating the quantum dot (QD) metallic cores concentration effect on the absorption, energy band gap and electron-hole generation rate in absorber layers, external quantum efficiency, energy conversion efficiency, fill factor of the innovative design of HJQD cells.

Predictable Models and Experimental Measurements for Electric Properties of Polypropylene Nanocomposite Films Ahmed Thabet; Youssef A. Mobarak
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 1: February 2016
Publisher : Institute of Advanced Engineering and Science

This paper processed and characterized cost-fewer polypropylene (PP) nanocomposite films; an experimental work has been investigated for studying the electric properties of the new nanocomposite materials and compared with unfilled industrial materials in a frequency range up to 1 kHz. A small addition of nanoparticles (clay, and fumed silica) to polypropylene showed appreciable improvement in the electric reactance and conductance at different frequency up to 1kHz, in addition, an electric spectroscopy has been measured the electric properties of polypropylene with and without nanoparticles under variant temperatures (20°C, and 60°C). Cambridge Engineering Selector (CES) program were carried out the electrical/mechanical predictable models for the suggested materials. Finally, this paper leads to synthesize electrical insulating polypropylene nanocomposite films where the electrical properties are properly maintained in order to achieve more cost-effective, energy-effective and hence environmentally better materials for the electrical insulation technology.

Innovative earthing systems for electric power substations using conductive nanoparticles Ahmed Thabet; Youssef Mobarak
International Journal of Electrical and Computer Engineering (IJECE) Vol 11, No 3: June 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v11i3.pp1857-1864

The earthing system is very important to safe human’s lives and protect power system from normal and abnormal faults. High soil resistivity regions is the main problem of installation the earthing systems in electric power substations to pass the current through the earth's surface. This paper has been overcome on high soil resistivity regions by penetrating conductive nanoparticles to have extremely low grounding resistance. Moreover, it has been succeeded to examine the methodology of the proposed Nano-Tech earthing systems in case of single rods, multiple rods and grids. Also, it has been defined optimal types and concentrations of nanoparticles for Nano-Tech grounding system to provide excellence protection for electrical substations with respect to built beneath of soil where substation is located. A comparative study has been discussed and analyzed the results of traditional and nanotechnology grounding systems.

Practical Measurements for Electric Properties of Polyethylene Nanocomposite Thin Films Under Thermal Conditions Ahmed Thabet; Youssef Mobarak
International Journal of Applied Power Engineering (IJAPE) Vol 4, No 3: December 2015
Publisher : Institute of Advanced Engineering and Science

Polymer properties can be experimentally tailored by adding small amounts of different nanoparticles to enhance its mechanical, thermal and electrical properties; thus, it has been widely anticipated that the combination of nanoparticles with traditional resin systems. This paper has been studied the enhancement and controlling electric and dielectric properties of low density polyethylene (LDPE), and high density polyethylene (HDPE) polymer materials by cost-fewer nanoparticles. Certain percentages of clay and fumed silica nanoparticles have been enhanced electric and dielectric properties of polyethylene nanocomposite films. Dielectric spectroscopy has been measured the electric and dielectric properties of each polyethylene nanocomposite with and without nanoparticles at various frequencies up to1kHz under different thermal conditions (20oC and 60oC). Also, it has been investigated the optimum types and percentages of cost-fewer nanoparticles for enhancing electric and dielectric characterization at low and high temperatures.

Innovative industrial Cu(In,Ga)Se2 thin film solar cell with high characterization using nanoparticles structure Ahmed Thabet; Safaa Abdelhady; Khaled Ebnalwaled; Abdallah Ibrahim
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 7, No 2: June 2019
Publisher : IAES Indonesian Section

This paper presents new design of ZnO/CdS/CIGS/Mo nanocomposites thin film solar cell based on individual and multiple nanocomposites absorber layer. A theoretical analysis is presented for enhancing the efficiency and characterization of individual and multiple nanocomposites CdS/Cu (In, Ga) Se2 thin film solar cell. Moreover, this paper is achieving high efficiency with a thinner CIGS layer for reducing the direct materials usage and there by the materials costs by adding various metallic nanoparticles in CIGS absorber layer.

Co-Authors Abdallah Ibrahim Khaled Ebnalwaled Safaa Abdelhady Youssef A. Mobarak Youssef Mobarak Youssef Mobarak

Title

Found 5 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 5 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 5 Documents
Search