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Listar por autor "Khattak, Yousaf Hameed"

Mostrando ítems 1-18 de 18

Advancements in bandgap engineering: bromide-doped cesium lead perovskite thin films

Fradi, Khawla; Bouich, Amal; Khattak, Yousaf Hameed; Baig, Faisal; Slimi, Bechir; Marí, B.; Chtourou, Radhouane (SpringerOpen, 2024-08-05)

[EN] Perovskite materials have emerged as promising candidates for next-generation photovoltaic devices due to their unique optoelectronic properties. In this study, we investigate the incorporation of bromine into cesium ...
Delafossite as hole transport layer a new pathway for efficient perovskite-based solar sells: Insight from experimental, DFT and numerical analysis

Bouich, Amal; Cerutti Torres, Joeluis; Chfii, Hasnae; Marí-Guaita, Julia; Khattak, Yousaf Hameed; Baig, Faisal; Marí, B.; Palacios, Pablo (Elsevier, 2023-01-15)

[EN] Herein, we propose a successful technique to produce delafossite materials that can be applied as Hole Transport Layer (HTL) in inorganic lead halide Perovskite solar cells (PSCs). The delafossite CuMO2, where M = Al, ...
Designing next-generation kesterite solar cells: A systematic numerical investigation of innovative structures and design variants for enhanced photovoltaic performance

Khattak, Yousaf Hameed; Baig, Faisal; Bouich, Amal; Marí-Guaita, Julia; Shuja, Ahmed; Marí, B. (Elsevier, 2023-11-15)

[EN] This paper presents a thorough numerical investigation of copper zinc tin sulfide (CZTS)-based solar cells utilizing the SCAPS-1D simulation tool. In light of the scarcity of indium and gallium, CZTS is explored as a ...
Device Optimization of PIN Structured Perovskite Solar Cells: Impact of Design Variants

Khattak, Yousaf Hameed; Baig, Faisal; Shuja, Ahmed; Atourki, Lahoucine; Riaz, Kashif; Marí, B. (American Chemical Society, 2021-08-24)

[EN] Numerical analysis is a tool that is helping engineers over the past decades in design optimization and low-cost fabrication of solar cell devices. The need of modeling tools is used to deeply analyze a device in a ...
Effect of Cu2O Back Surface Field on the Efficiency Enhancement of CZTSe Kesterite Photovoltaic Cell

Khattak, Yousaf Hameed; Baig, Faisal; Marí, B. (American Scientific Publishers, 2018)

[EN] The earth abundant materiel Cu2ZnSnSe4 (CZTSe) is a promising quaternary semiconductor compound having kesterite symmetrical structure. CZTSe is considered as suitable absorber material for photovoltaic cell applications ...
Efficiency Enhancement of Cu2BaSnS4 Experimental Thin film Solar Cell by Device Modeling

Khattak, Yousaf Hameed; Baig, Faisal; Toura, Hanae; Beg, Saira; Marí, B. (Springer-Verlag, 2019-12)

[EN] Copper barium tin sulfide (CBTS) is a direct band gap earth abundant, non-toxic and quaternary semiconductor compound. It is used as absorber because of its direct band gap of 1.9 eV. A numerical guide is proposed for ...
Enhancement of the conversion efficiency of thin film kesterite solar cell

Khattak, Yousaf Hameed; Baig, Faisal; Ullah, Shafi; Marí, B.; Ullah, Hanif (American Institute of Physics, 2018)

[EN] Cu2ZnSnS4(CZTS) is a non-toxic earth abundant material and a promising quaternary semiconductor compound of groups I - II - IV - VI having a kesterite symmetrical structure. Due to its optimum direct bandgap, it has ...
Influence of Fe Content in Binary SnS2 Synthesis by Hydrothermal Technique for Photovoltaic Application

Ullah, Shafi; Bouich, Amal; Ullah, Hanif; Vega-Fleitas, Erica; Baig, Faisal; Hameed, Yousaf; Mollar García, Miguel Alfonso; Marí, B. (The Electrochemical Society, 2019-06-18)

[EN] Binary thin disulfide (SnS2) and ternary Sn1-x FexS2 (X = Fe (2.5%, 5% and 10%) which has huge potentials in the visible-light rang due to its bandgap 2.2-2.6 eV. Herein, SnS2 and Sn1-x FexS2 powders have been synthesize ...
Influence of P+ - ZnTe back surface contact on photovoltaic performance of ZnTe based solar cells

Bayad, Hamza; Elmanouni, Ahmed; Marí, B.; Khattak, Yousaf Hameed; Ullah, Shafi; Baig, Faisal (Springer-Verlag, 2018)

[EN] In order to improve photovoltaic performance of solar cells based on ZnTe thin films two device structures have been proposed and its photovoltaic parameters have been numerically simulated using Solar Cell Capacitance ...
Investigation of the Surface Coating, Humidity Degradation, and Recovery of Perovskite Film Phase for Solar-Cell Applications

Bouich, Amal; Marí-Guaita, Julia; Baig, Faisal; Khattak, Yousaf Hameed; Marí, B.; Palacios, Pablo (MDPI AG, 2022-09)

[EN] Presently, we inquire about the organic/inorganic cation effect on different properties based on structure, morphology, and steadiness in preparing a one-step solution of APbI(3) thin films, where A = MA, FA, Cs, using ...
Low-cost kesterite (CZTS) bilayers as an effective hole-transport layer for perovskite solar cells

Bouhjar, Feriel; Derbali, Lotfi; Khattak, Yousaf Hameed; Marí, B. (Elsevier, 2024-01)

[EN] This study investigates the utility of Copper Zinc Tin Sulfide (CZTS) thin films as inorganic hole-transporting layers (HTLs) in low-temperature perovskite solar cells (PSCs). The primary goal is to improve power ...
Modeling of High Power Conversion Efficiency Thin Film Solar Cells

Khattak, Yousaf Hameed (Universitat Politècnica de València, 2019-04-01)

[ES] Las energía solar fotovoltaica ha emergido como una fuente de energía nueva y sostenible, que es ecológica y rentable si la producción es a gran escala. En el escenario actual, los dispositivos fotovoltaicos económicos ...
Modelling of novel-structured copper barium tin sulphide thin film solar cells

Hameed, K. Yousaf; Baig, Faisal; Toura, Hanae; Marí, B.; Beg, Saira; Khani, Naveed Ali Kaim (Springer-Verlag, 2019-11)

[EN] In this work, a novel structured Cu2BaSnS4 (CBTS)/ZnS/Zn(O, S) photovoltaic device is proposed. A nontoxic, earth-abundant and auspicious quaternary semiconductor compound copper barium tin sulphide (Cu2BaSnS4) is ...
Numerical analysis a guide to improve the efficiency of experimentally designed solar cell

Baig, Faisal; Khattak, Yousaf Hameed; Ullah, Shafi; Marí, B.; Ullah, Hanif (Springer-Verlag, 2018)

[EN] In this paper a numerical modelling guide is proposed about how to improve the efficiency of experimentally designed solar cells with the aid of numerical analysis. To validate the study presented in this paper, we ...
Numerical analysis of a novel CNT/Cu2O/Sb2Se /In2S3/ITO antimony selenide solar cell

Baig, Faisal; Khattak, Yousaf Hameed; Beg, Saira; Marí, B. (Elsevier, 2019-11)

[EN] Sb2Se3 antimony selenide is a great potential for solar cell commercial application with good absorption coefficient and optimal band gap. In recent years the maximum power conversion efficiency (PCE) achieved from ...
Numerical Modeling Baseline for high efficiency (Cu2FeSnS4) CFTS based Thin Film Kesterite Solar Cell

Khattak, Yousaf Hameed; Baig, Faisal; Ullah, Shafi; Marí, B.; Ullah, Hanif (Elsevier, 2018-07)

[EN] Cu2FeSnS4 (CFTS) is auspicious nontoxic and earth abundant semiconductor compound having kesterite symmetrical structure. It is an attractive and suitable material for the fabrication of low cost, high efficiency and ...
Performance investigation of experimentally fabricated lead iodide perovskite solar cell via numerical analysis

Khattak, Yousaf Hameed; Vega, Erika; Baig, Faisal; Marí, B. (Elsevier, 2022-07)

[EN] A fabricated perovskite solar cell structure Spiro- OMeTAD/MAPbI(3)/TiO(2 )showing a maximum efficiency of 14.7%, employing a cost-effective single-step spin-coating method, with controlled humidity of 35% under ambient ...
Single step electrochemical deposition for the fabrication of CZTS kesterite thin films for solar cells

Khattak, Yousaf Hameed; Baig, Faisal; Toura, Hanae; Harabi, Imen; Beg, Saira; Marí, B. (Elsevier, 2019-12-15)

[EN] The high absorption coefficient and direct optical band gap of a kesterite Cu2ZnSnS4 (CZTS) makes it very promising absorber material in the manufacturing of high efficiency and low-cost thin film photovoltaic cells. ...