Advancements in bandgap engineering: bromide-doped cesium lead perovskite thin films Khawla Fradi, Amal Bouich, Yousaf Hameed Khattak, Faisal Baig, Bechir Slimi, et al. Journal of Materials Science Materials in Engineering, 2024 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 lead mixed iodide and bromide perovskites (CsPbI3(1-x)Br3x) to enhance their performance. By depositing films with varying bromine concentrations (x = 0, 0.25, 0.5, 0.75), we employ a combination of structural and optical characterization techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), UV–visible spectroscopy, and photoluminescence. Our analysis reveals that introducing bromine leads to structural modifications, influencing the perovskite films’ optical properties and energy gap. Specifically, we observe semiconductor behavior with a tunable energy gap controlled by the intercalation of bromine atoms into the CsPbI3 lattice. Furthermore, heat treatment induces phase transitions in the perovskite films, affecting their optical responses and crystalline quality. SCAPS-1D simulations confirm the improved stability and efficiency of bromine-doped CsPbI3 films compared to undoped counterparts. Our findings demonstrate that bromine incorporation facilitates the formation of highly crystalline perovskite films with reduced trap defects and enhanced carrier transport properties. These results underscore the potential of bromine-doped CsPbI3 perovskites as promising materials for high-performance photovoltaic applications, paving the way for further optimization and device integration.
Opportunities, Challenges, and Future Prospects of the Solar Cell Market Amal Bouich, Inmaculada Guaita Pradas, Mehwish Aziz Khan, Yousaf Hameed Khattak Sustainability Switzerland, 2023 The production and consumption of energy must be converted to renewable alternatives in order to meet climate targets. During the past few decades, solar photovoltaic systems (PVs) have become increasingly popular as an alternative energy source. PVs generate electricity from sunlight, but their production has required governmental support through market interventions due to their lack of competitiveness on the energy market. Despite 40 years of attempts to establish PV technology through such interventions, the aim of this paper is to find out what general conclusions can be drawn regarding different technologies. Our study examines peer-reviewed studies from the start of PV technology up to 2023 to answer these questions. The literature indicates that not only developed countries but also developing and emerging nations possess significant potential to mitigate the adverse effects of climate change by adopting renewable energy sources. Leading market players can offer support to these less developed countries by subsidizing both equipment and installation processes. As a result, this initiative can contribute to sustainable development on our planet.
2D logistic map with unit transfer function and modulus operation based pseudorandom number generation for image encryption R Ahmad, G Said, A Flah, H Kraiem, CZ El Bayeh, YH Khattak, F Baig Scientific Reports 15 (1), 19330 , 2025 2025 Citations: 6
Advancements in bandgap engineering: bromide-doped cesium lead perovskite thin films K Fradi, A Bouich, YH Khattak, F Baig, B Slimi, BM Soucase, R Chtourou Journal of Materials Science: Materials in Engineering 19 (1), 14 , 2024 2024 Citations: 8
Improving photoluminescence properties and reducing recombination of CsPbBr 3 perovskite through lithium doping H Zalrhi, M Ouafi, M Regragui, BM Soucase, F Baig, YH Khattak, U Shafi, ... RSC advances 14 (21), 15048-15057 , 2024 2024 Citations: 31
Low-cost kesterite (CZTS) bilayers as an effective hole-transport layer for perovskite solar cells F Bouhjar, L Derbali, YH Khattak, B Mari Optical Materials 147, 114582 , 2024 2024 Citations: 6
Opportunities, Challenges, and Future Prospects of the Solar Cell Market A Bouich, IG Pradas, MA Khan, YH Khattak Sustainability 21 (15), 15445 , 2023 2023 Citations: 72
Designing Next-Generation Kesterite Solar Cells: A Systematic Numerical Investigation of Innovative Structures and Design Variants for Enhanced Photovoltaic Performance YH Khattak, F Baig, A Bouich, JM Guaita, A Shuja, BM Soucase Solar Energy 265 (15), 112105 , 2023 2023 Citations: 17
Bright future by controlling α/δ phase junction of formamidinium lead iodide doped by imidazolium for solar cells: Insight from experimental, DFT calculations and SCAPS simulation A Bouich, JC Torres, YH Khattak, F Baig, J Mari-Guaita, BM Soucase, ... Surfaces and Interfaces 40, 103159 , 2023 2023 Citations: 34
InP/ZnS/ZnS core quantum dots for InP luminescence and photoelectrochemical improvement I Harabi, YH Khattak, S Jemai, S Ullah, H Toura, BM Soucase Physica B: Condensed Matter 652, 414634 , 2023 2023 Citations: 5
Delafossite as hole transport layer a new pathway for efficient perovskite-based solar sells: Insight from experimental, DFT and numerical analysis A Bouich, JC Torres, H Chfii, J Marí-Guaita, YH Khattak, F Baig, ... Solar Energy 250, 18-32 , 2023 2023 Citations: 62
Investigation of the Surface Coating, Humidity Degradation, and Recovery of Perovskite Film Phase for Solar‐Cell Applications A Bouich, J Marí‐Guaita, F Baig, YH Khattak, BM Soucase, P Palacios Nanomaterials 12 (17), 3027 , 2022 2022 Citations: 31
Performance investigation of experimentally fabricated lead iodide perovskite solar cell via numerical analysis YH Khattak, E Vega, F Baig, BM Soucase Materials Research Bulletin 151, 111802 , 2022 2022 Citations: 36
Numerical analysis for efficiency limits of experimental perovskite solar cell BM Soucase, F Baig, YH Khattak, E Vega, M Mollar Solar Energy 235, 200-208 , 2022 2022 Citations: 17
Thermal image encryption based on laser diode feedback and 2D logistic chaotic map S Beg, F Baig, Y Hameed, A Anjum, A Khan Multimedia Tools and Applications , 2022 2022 Citations: 10
Device Optimization of PIN Structured Perovskite Solar Cells: Impact of Design Variants YH Khattak, F Baig, A Shuja, L Atourki, K Riaz, BM Soucase ACS Applied Electronic Material , 2021 2021 Citations: 34
Enhanced system architecture for smart home energy management system using Knapsack algorithm with integration of solar photovoltaic energy source F Ahmed, F Baig, YH Khattak, H Ullah, BM Soucase Applied Solar Energy 57 (3), 242-251 , 2021 2021 Citations: 1
Chalcogenides-based nanomaterials for solar cells and dye sensitized solar cells H Soonmin, SS Hegde, K Ramesh, JK Dongre, YH Khattak, XH Zhang, ... Chalcogenide-based nanomaterials as photocatalysts, 185-218 , 2021 2021 Citations: 4
Numerical analysis guidelines for the design of efficient novel nip structures for perovskite solar cell YH Khattak, F Baig, A Shuja, S Beg, BM Soucase Solar Energy 207, 579-591 , 2020 2020 Citations: 98
Performance investigation of Sb2Se3 based solar cell by device optimization, band offset engineering and Hole Transport Layer in SCAPS-1D F Baig, YH Khattak, A Shuja, K Riaz, BM Soucase Current applied physics 20 (8), 973-981 , 2020 2020 Citations: 56
Computational modelling of monolithically stacked perovskite/silicon tandem solar cells using monofacial and bifacial designs S Iqbal, K Riaz, H Imran, YH Khattak, F Baig, Z Ahmad Optik 206, 163427 , 2020 2020 Citations: 22
Single step electrochemical deposition for the fabrication of CZTS kesterite thin films for solar cells YH Khattak, F Baig, H Toura, I Harabi, S Beg, BM Soucase Applied Surface Science 497, 143794 , 2019 2019 Citations: 45
MOST CITED SCHOLAR PUBLICATIONS
CZTSe Kesterite as an Alternative Hole Transport Layer for MASnI 3 Perovskite Solar Cells: Khattak, Baig, Toura, Beg, and Soucase YH Khattak, F Baig, H Toura, S Beg, BM Soucase Journal of Electronic Materials 48 (9), 5723-5733 , 2019 2019 Citations: 161
Efficiency Enhancement of CH3NH3SnI3 Solar Cells by Device Modeling F Baig, YH Khattak, B Mari, S Beg, A Ahmed, K Khan Journal of Electronic Materials , 2018 2018 Citations: 115
Effect of CZTSe BSF and minority carrier life time on the efficiency enhancement of CZTS kesterite solar cell YH Khattak, F Baig, H Toura, S Ullah, B Marí, S Beg, H Ullah Current Applied Physics , 2018 2018 Citations: 110
Enhancement of the conversion efficiency of thin film kesterite solar cell YH Khattak, F Baig, S Ullah, B Mari, B Saira, H Ullah Journal of Renewable and Sustainable Energy 10 (3), 033501-1-033501-14 , 2018 2018 Citations: 100
Numerical analysis guidelines for the design of efficient novel nip structures for perovskite solar cell YH Khattak, F Baig, A Shuja, S Beg, BM Soucase Solar Energy 207, 579-591 , 2020 2020 Citations: 98
Numerical modeling baseline for high efficiency (Cu2FeSnS4) CFTS based thin film kesterite solar cell YH Khattak, F Baig, S Ullah, B Marí, S Beg, H Ullah Optik - International Journal for Light and Electron Optics 164, 547-555 , 2018 2018 Citations: 78
Opportunities, Challenges, and Future Prospects of the Solar Cell Market A Bouich, IG Pradas, MA Khan, YH Khattak Sustainability 21 (15), 15445 , 2023 2023 Citations: 72
Delafossite as hole transport layer a new pathway for efficient perovskite-based solar sells: Insight from experimental, DFT and numerical analysis A Bouich, JC Torres, H Chfii, J Marí-Guaita, YH Khattak, F Baig, ... Solar Energy 250, 18-32 , 2023 2023 Citations: 62
Performance investigation of Sb2Se3 based solar cell by device optimization, band offset engineering and Hole Transport Layer in SCAPS-1D F Baig, YH Khattak, A Shuja, K Riaz, BM Soucase Current applied physics 20 (8), 973-981 , 2020 2020 Citations: 56
Efficiency enhancement of Cu 2 BaSnS 4 experimental thin-film solar cell by device modeling YH Khattak, F Baig, H Toura, S Beg, BM Soucase Journal of Materials Science 54 (24), 14787-14796 , 2019 2019 Citations: 55
Numerical analysis of a novel CNT/Cu2O/Sb2Se3/In2S3/ITO antimony selenide solar cell F Baig, YH Khattak, S Beg, BM Soucase Optik 197, 163107 , 2019 2019 Citations: 54
Mitigation of Interface Recombination by Careful Selection of ETL for Efficiency Enhancement of MASnI3 Solar Cell F Baig, YH Khattak, B Marí, S Beg, SR Gillani, A Ahmed Optik - International Journal for Light and Electron Optics , 2018 2018 Citations: 46
Single step electrochemical deposition for the fabrication of CZTS kesterite thin films for solar cells YH Khattak, F Baig, H Toura, I Harabi, S Beg, BM Soucase Applied Surface Science 497, 143794 , 2019 2019 Citations: 45
Modeling of high power conversion efficiency thin film solar cells YH Khattak Institute of Design and Fabrication , 2019 2019 Citations: 42
Performance investigation of experimentally fabricated lead iodide perovskite solar cell via numerical analysis YH Khattak, E Vega, F Baig, BM Soucase Materials Research Bulletin 151, 111802 , 2022 2022 Citations: 36
Back contact effect on electrodeposited CZTS kesterite thin films experimental and numerical investigation H Toura, YH Khattak, F Baig, BM Soucase, ME Touhami Solar energy 194, 932-938 , 2019 2019 Citations: 36
Effect of Cu2O hole transport layer and improved minority carrier life time on the efficiency enhancement of Cu2NiSnS4 based experimental solar cell YH Khattak, F Baig, S Ullah, B Marí, S Beg, K Khan Journal of Renewable and Sustainable Energy 10 (4), 043502 , 2018 2018 Citations: 36
Efficiency Enhancement of Novel CNTS/ZnS/Zn (O, S) Thin Film Solar Cell YH Khattak, F Baig, B Marí, S Beg, SR Gillani, S Ahmed Optik - International Journal for Light and Electron Optic , 2018 2018 Citations: 36
Bright future by controlling α/δ phase junction of formamidinium lead iodide doped by imidazolium for solar cells: Insight from experimental, DFT calculations and SCAPS simulation A Bouich, JC Torres, YH Khattak, F Baig, J Mari-Guaita, BM Soucase, ... Surfaces and Interfaces 40, 103159 , 2023 2023 Citations: 34
Device Optimization of PIN Structured Perovskite Solar Cells: Impact of Design Variants YH Khattak, F Baig, A Shuja, L Atourki, K Riaz, BM Soucase ACS Applied Electronic Material , 2021 2021 Citations: 34