Publications

2017
Hichem F, Fayçal DJEFFAL, Djemai A, Zohir D. Efficiency Enhancement of a-Si:H/c-Si-Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters, ISSN 1862-6351. Physica Status Solidi ©Physica Status Solidi ©. 2017;volume 14.Abstract
In this paper, a new particle swarm optimization-based approach is proposed for the geometrical optimization of the nanowires solar cells to achieve improved optical performance. The proposed hybrid approach combines the 3-D numerical analysis using accurate solutions of Maxwell’s equations and metaheuristic investigation to boost the solar cell total absorbance efficiency. Our purpose resides on modulating the electric field and increasing the light trapping capability by optimizing the radial solar cell geometrical parameters. Moreover, a comprehensive study of vertical core-shell nanowire arrays optical parameters such as the integral absorption, reflection, and total absorbance efficiency is carried out, in order to reveal the optimized radial solar cells optical performance for low-cost photovoltaic applications. We find that the proposed hybrid approach plays a crucial role in improving the nanowires solar cells optical performance, where the optimized design exhibits superior total absorbance efficiency and lower total reflection in comparison with those provided by the conventional planar design. The obtained results make the proposed global optimization approach valuable for providing high-efficiency nanowires solar cells.
Hichem F, Fayçal DJEFFAL, Djemai A, Zohir D. Efficiency Enhancement of a-Si:H/c-Si-Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters, ISSN 1862-6351. Physica Status Solidi ©Physica Status Solidi ©. 2017;volume 14.Abstract
In this paper, a new particle swarm optimization-based approach is proposed for the geometrical optimization of the nanowires solar cells to achieve improved optical performance. The proposed hybrid approach combines the 3-D numerical analysis using accurate solutions of Maxwell’s equations and metaheuristic investigation to boost the solar cell total absorbance efficiency. Our purpose resides on modulating the electric field and increasing the light trapping capability by optimizing the radial solar cell geometrical parameters. Moreover, a comprehensive study of vertical core-shell nanowire arrays optical parameters such as the integral absorption, reflection, and total absorbance efficiency is carried out, in order to reveal the optimized radial solar cells optical performance for low-cost photovoltaic applications. We find that the proposed hybrid approach plays a crucial role in improving the nanowires solar cells optical performance, where the optimized design exhibits superior total absorbance efficiency and lower total reflection in comparison with those provided by the conventional planar design. The obtained results make the proposed global optimization approach valuable for providing high-efficiency nanowires solar cells.
Hichem F, Fayçal DJEFFAL, Djemai A, Zohir D. Efficiency Enhancement of a-Si:H/c-Si-Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters, ISSN / e-ISSN 1610-1642 / 1610-1642. Current topics in solid state physicsCurrent topics in solid state physics. 2017.Abstract
In this paper, a new particle swarm optimization-based approach is proposed for the geometrical optimization of the nanowires solar cells to achieve improved optical performance. The proposed hybrid approach combines the 3-D numerical analysis using accurate solutions of Maxwell’s equations and metaheuristic investigation to boost the solar cell total absorbance efficiency. Our purpose resides on modulating the electric field and increasing the light trapping capability by optimizing the radial solar cell geometrical parameters. Moreover, a comprehensive study of vertical core-shell nanowire arrays optical parameters such as the integral absorption, reflection, and total absorbance efficiency is carried out, in order to reveal the optimized radial solar cells optical performance for low-cost photovoltaic applications. We find that the proposed hybrid approach plays a crucial role in improving the nanowires solar cells optical performance, where the optimized design exhibits superior total absorbance efficiency and lower total reflection in comparison with those provided by the conventional planar design. The obtained results make the proposed global optimization approach valuable for providing high-efficiency nanowires solar cells.
Hichem F, Fayçal DJEFFAL, Djemai A, Zohir D. Efficiency Enhancement of a-Si:H/c-Si-Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters, ISSN / e-ISSN 1610-1642 / 1610-1642. Current topics in solid state physicsCurrent topics in solid state physics. 2017.Abstract
In this paper, a new particle swarm optimization-based approach is proposed for the geometrical optimization of the nanowires solar cells to achieve improved optical performance. The proposed hybrid approach combines the 3-D numerical analysis using accurate solutions of Maxwell’s equations and metaheuristic investigation to boost the solar cell total absorbance efficiency. Our purpose resides on modulating the electric field and increasing the light trapping capability by optimizing the radial solar cell geometrical parameters. Moreover, a comprehensive study of vertical core-shell nanowire arrays optical parameters such as the integral absorption, reflection, and total absorbance efficiency is carried out, in order to reveal the optimized radial solar cells optical performance for low-cost photovoltaic applications. We find that the proposed hybrid approach plays a crucial role in improving the nanowires solar cells optical performance, where the optimized design exhibits superior total absorbance efficiency and lower total reflection in comparison with those provided by the conventional planar design. The obtained results make the proposed global optimization approach valuable for providing high-efficiency nanowires solar cells.
Hichem F, Fayçal DJEFFAL, Djemai A, Zohir D. Efficiency Enhancement of a-Si:H/c-Si-Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters, ISSN 1862-6351. Physica Status Solidi ©Physica Status Solidi ©. 2017;volume 14.Abstract
In this paper, a new particle swarm optimization-based approach is proposed for the geometrical optimization of the nanowires solar cells to achieve improved optical performance. The proposed hybrid approach combines the 3-D numerical analysis using accurate solutions of Maxwell’s equations and metaheuristic investigation to boost the solar cell total absorbance efficiency. Our purpose resides on modulating the electric field and increasing the light trapping capability by optimizing the radial solar cell geometrical parameters. Moreover, a comprehensive study of vertical core-shell nanowire arrays optical parameters such as the integral absorption, reflection, and total absorbance efficiency is carried out, in order to reveal the optimized radial solar cells optical performance for low-cost photovoltaic applications. We find that the proposed hybrid approach plays a crucial role in improving the nanowires solar cells optical performance, where the optimized design exhibits superior total absorbance efficiency and lower total reflection in comparison with those provided by the conventional planar design. The obtained results make the proposed global optimization approach valuable for providing high-efficiency nanowires solar cells.
Ferhati H, DJEFFAL F, Arar D, Dibi Z. Efficiency Enhancement of a‐Si: H/c‐Si‐Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters. physica status solidi cphysica status solidi c. 2017;14 :1700146.
Ferhati H, DJEFFAL F, Arar D, Dibi Z. Efficiency Enhancement of a‐Si: H/c‐Si‐Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters. physica status solidi cphysica status solidi c. 2017;14 :1700146.
Ferhati H, DJEFFAL F, Arar D, Dibi Z. Efficiency Enhancement of a‐Si: H/c‐Si‐Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters. physica status solidi cphysica status solidi c. 2017;14 :1700146.
Ferhati H, DJEFFAL F, Arar D, Dibi Z. Efficiency Enhancement of a‐Si: H/c‐Si‐Based Radial Solar Cell by Optimizing the Geometrical and Electrical Parameters. physica status solidi cphysica status solidi c. 2017;14 :1700146.
Fawzi S, Fayçal DJEFFAL, Hichem F. Efficiency increase of hybrid organic/inorganic solar cells with optimized interface grating morphology for improved light trapping, ISSN 0030-4026. OptikOptik. 2017;Volume 130 :pp 1092-1098.Abstract
In this paper, a new design methodology by optimizing the silicon/organic interface morphology is proposed to achieve superior optical behavior for pentacene-based organic/inorganic solar cells. Our purpose dwells on reducing the refracting light in the silicon and improves the absorbance behavior in the solar cell. In this context, a numerical model based on accurate solutions of Maxwell’s equations is developed in order to study the impact of both interface texturization morphologies (triangular and grooves) on the optical absorbance and electrical performance. It is found that the proposed design morphology has profound implication on modulating the electric field, which increases the light trapping capability. It is also confirmed that the overall electrical performance is significantly improved as compared to the conventional organic/inorganic solar cells, where the proposed design exhibits superior integral absorption behavior and large interface area. Moreover, a new hybrid approach by combining of the numerical and metaheuristic models is developed to boost the device performance by optimizing the interface morphology. The obtained results make the proposed design methodology valuable for providing high-efficiency organic/inorganic solar cells.
Fawzi S, Fayçal DJEFFAL, Hichem F. Efficiency increase of hybrid organic/inorganic solar cells with optimized interface grating morphology for improved light trapping, ISSN 0030-4026. OptikOptik. 2017;Volume 130 :pp 1092-1098.Abstract
In this paper, a new design methodology by optimizing the silicon/organic interface morphology is proposed to achieve superior optical behavior for pentacene-based organic/inorganic solar cells. Our purpose dwells on reducing the refracting light in the silicon and improves the absorbance behavior in the solar cell. In this context, a numerical model based on accurate solutions of Maxwell’s equations is developed in order to study the impact of both interface texturization morphologies (triangular and grooves) on the optical absorbance and electrical performance. It is found that the proposed design morphology has profound implication on modulating the electric field, which increases the light trapping capability. It is also confirmed that the overall electrical performance is significantly improved as compared to the conventional organic/inorganic solar cells, where the proposed design exhibits superior integral absorption behavior and large interface area. Moreover, a new hybrid approach by combining of the numerical and metaheuristic models is developed to boost the device performance by optimizing the interface morphology. The obtained results make the proposed design methodology valuable for providing high-efficiency organic/inorganic solar cells.
Fawzi S, Fayçal DJEFFAL, Hichem F. Efficiency increase of hybrid organic/inorganic solar cells with optimized interface grating morphology for improved light trapping, ISSN 0030-4026. OptikOptik. 2017;Volume 130 :pp 1092-1098.Abstract
In this paper, a new design methodology by optimizing the silicon/organic interface morphology is proposed to achieve superior optical behavior for pentacene-based organic/inorganic solar cells. Our purpose dwells on reducing the refracting light in the silicon and improves the absorbance behavior in the solar cell. In this context, a numerical model based on accurate solutions of Maxwell’s equations is developed in order to study the impact of both interface texturization morphologies (triangular and grooves) on the optical absorbance and electrical performance. It is found that the proposed design morphology has profound implication on modulating the electric field, which increases the light trapping capability. It is also confirmed that the overall electrical performance is significantly improved as compared to the conventional organic/inorganic solar cells, where the proposed design exhibits superior integral absorption behavior and large interface area. Moreover, a new hybrid approach by combining of the numerical and metaheuristic models is developed to boost the device performance by optimizing the interface morphology. The obtained results make the proposed design methodology valuable for providing high-efficiency organic/inorganic solar cells.
BEDRA S, BEDRA R, BENKOUDA S, FORTAKI T. Efficient CAD model to analysis of high Tc superconducting circular microstrip antenna on anisotropic substrates. Advanced ElectromagneticsAdvanced Electromagnetics. 2017;6 :40-45.
Sami B, Randa B, Siham B, Tarek F. Efficient CAD Model to Analysis of High Tc Superconducting Circular Microstrip Antenna on Anisotropic Substrates. Advanced Electromagnetics, e-ISSN 2119-0275. 2017;Volume 6 :pp 40-45.Abstract
In this paper, an electromagnetic approach based on cavity model in conjunction with electromagnetic knowledge was developed. The cavity model combined with London’s equations and the Gorter-Casimir two-fluid model has been improved to investigate the resonant characteristics of high Tc superconducting circular microstrip patch in the case where the patch is printed on uniaxially anisotropic substrate materials.  Merits of our extended model include low computational cost and mathematical simplify. The numerical simulation of this modeling shows excellent agreement with experimental results available in the literature. Finally, numerical results for the dielectric anisotropic substrates effects on the operating frequencies for the case of superconducting circular patch are also presented.
BEDRA S, BEDRA R, BENKOUDA S, FORTAKI T. Efficient CAD model to analysis of high Tc superconducting circular microstrip antenna on anisotropic substrates. Advanced ElectromagneticsAdvanced Electromagnetics. 2017;6 :40-45.
Sami B, Randa B, Siham B, Tarek F. Efficient CAD Model to Analysis of High Tc Superconducting Circular Microstrip Antenna on Anisotropic Substrates. Advanced Electromagnetics, e-ISSN 2119-0275. 2017;Volume 6 :pp 40-45.Abstract
In this paper, an electromagnetic approach based on cavity model in conjunction with electromagnetic knowledge was developed. The cavity model combined with London’s equations and the Gorter-Casimir two-fluid model has been improved to investigate the resonant characteristics of high Tc superconducting circular microstrip patch in the case where the patch is printed on uniaxially anisotropic substrate materials.  Merits of our extended model include low computational cost and mathematical simplify. The numerical simulation of this modeling shows excellent agreement with experimental results available in the literature. Finally, numerical results for the dielectric anisotropic substrates effects on the operating frequencies for the case of superconducting circular patch are also presented.
BEDRA S, BEDRA R, BENKOUDA S, FORTAKI T. Efficient CAD model to analysis of high Tc superconducting circular microstrip antenna on anisotropic substrates. Advanced ElectromagneticsAdvanced Electromagnetics. 2017;6 :40-45.
Sami B, Randa B, Siham B, Tarek F. Efficient CAD Model to Analysis of High Tc Superconducting Circular Microstrip Antenna on Anisotropic Substrates. Advanced Electromagnetics, e-ISSN 2119-0275. 2017;Volume 6 :pp 40-45.Abstract
In this paper, an electromagnetic approach based on cavity model in conjunction with electromagnetic knowledge was developed. The cavity model combined with London’s equations and the Gorter-Casimir two-fluid model has been improved to investigate the resonant characteristics of high Tc superconducting circular microstrip patch in the case where the patch is printed on uniaxially anisotropic substrate materials.  Merits of our extended model include low computational cost and mathematical simplify. The numerical simulation of this modeling shows excellent agreement with experimental results available in the literature. Finally, numerical results for the dielectric anisotropic substrates effects on the operating frequencies for the case of superconducting circular patch are also presented.
BEDRA S, BEDRA R, BENKOUDA S, FORTAKI T. Efficient CAD model to analysis of high Tc superconducting circular microstrip antenna on anisotropic substrates. Advanced ElectromagneticsAdvanced Electromagnetics. 2017;6 :40-45.
Sami B, Randa B, Siham B, Tarek F. Efficient CAD Model to Analysis of High Tc Superconducting Circular Microstrip Antenna on Anisotropic Substrates. Advanced Electromagnetics, e-ISSN 2119-0275. 2017;Volume 6 :pp 40-45.Abstract
In this paper, an electromagnetic approach based on cavity model in conjunction with electromagnetic knowledge was developed. The cavity model combined with London’s equations and the Gorter-Casimir two-fluid model has been improved to investigate the resonant characteristics of high Tc superconducting circular microstrip patch in the case where the patch is printed on uniaxially anisotropic substrate materials.  Merits of our extended model include low computational cost and mathematical simplify. The numerical simulation of this modeling shows excellent agreement with experimental results available in the literature. Finally, numerical results for the dielectric anisotropic substrates effects on the operating frequencies for the case of superconducting circular patch are also presented.

Pages