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Hossain MI, Chelvanathan P, Khandakar A, Thomas K, Rahman A, Mansour S. Enhanced efficiency of bifacial perovskite solar cells using computational study. Sci Rep 2024; 14:12984. [PMID: 38839768 PMCID: PMC11153638 DOI: 10.1038/s41598-024-62487-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 05/17/2024] [Indexed: 06/07/2024] Open
Abstract
The most rapidly expanding type of solar cells are the Perovskite Solar Cells (PSCs), because of its high device performance, ease of synthesis, high open-circuit voltage, and affordability. Despite these advantages, the development of perovskite-based solar cells continues to be impeded by the issues with perovskite stability and the utilization of the hazardous heavy element lead (Pb). The study emphasizes on the bifacial structure that maintains the conventional absorber layer and electron transport layer (ETL) in the optimized PSC structure. This study employs SCAPS software for device simulation to comprehensively analyze how various parameters affect the performance of solar cells. Additionally, doping concentration variation in both ETL and HTL are explored. The simulation reveals that changing device structure from monofacial to bifacial significantly influences PSC performance, demonstrating that optimizing individual layers effectively enhances overall solar cell performance. The optimized structure achieves impressive PSC performance metrics through parametric analysis, such as voltage (VOC) of 1.18 V, fill factor (FF) of 82.24%, current density (JSC) of 27.12 mA/cm2, power conversion efficiency (PCE) of 27.90% for an incident solar spectrum from the ETL side, and power conversion efficiency (PCE) of 19.86% for an incident solar spectrum from the HTL side, the calculated bifaciality factor (BF) for this structure is 71.18%.
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Affiliation(s)
| | | | - Amith Khandakar
- Department of Electrical Engineering, College of Engineering, Qatar University, Doha, Qatar.
| | - Kevin Thomas
- Department of Electrical Engineering, College of Engineering, Qatar University, Doha, Qatar
| | - Ahasanur Rahman
- Department of Electrical Engineering, College of Engineering, Qatar University, Doha, Qatar
| | - Said Mansour
- HBKU Core Labs, Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
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Ye Y, Wang J, Fang Z, Yan Y, Geng Y. Periodic Folded Gold Nanostructures with a Sub-10 nm Nanogap for Surface-Enhanced Raman Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10450-10458. [PMID: 38357762 DOI: 10.1021/acsami.3c14454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Surface-enhanced Raman spectroscopy has emerged as a powerful spectroscopy technique for detection with its capacity for label-free, nondestructive analysis, and ultrasensitive characterization. High-performance surface-enhanced Raman scattering (SERS) substrates with homogeneity and low cost are the key factors in chemical and biomedical analysis. In this study, we propose the technique of atomic force microscopy (AFM) scratching and nanoskiving to prepare periodic folded gold (Au) nanostructures as SERS substrates. Initially, folded Au nanostructures with tunable nanogaps and periodic structures are created through the scratching of Au films by AFM, the deposition of Ag/Au films, and the cutting of epoxy resin, reducing fabrication cost and operational complexity. Periodic folded Au nanostructures show the three-dimensional nanofocusing effect, hotspot effect, and standing wave effect to generate an extremely high electromagnetic field. As a typical molecule to be tested, p-aminothiophenol has the lowest detection limit of up to 10-9 M, owing to the balance between the electromagnetic field energy concentration and the transmission loss in periodic folded Au nanostructures. Finally, by precisely controlling the periods and nanogap widths of the folded Au nanostructures, the synergistic effect of surface plasmon resonance is optimized and shows good SERS properties, providing a new strategy for the preparation of plasmonic nanostructures.
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Affiliation(s)
- Yuting Ye
- The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150080, P. R. China
- Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, P. R. China
| | - Jiqiang Wang
- The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150080, P. R. China
- Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, P. R. China
| | - Zhuo Fang
- The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150080, P. R. China
- Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, P. R. China
| | - Yongda Yan
- The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150080, P. R. China
- Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, P. R. China
| | - Yanquan Geng
- The State Key Laboratory of Robotics and Systems, Robotics Institute, Harbin Institute of Technology, Harbin, Heilongjiang 150080, P. R. China
- Center for Precision Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150001, P. R. China
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Optoelectronic Enhancement of Perovskite Solar Cells through the Incorporation of Plasmonic Particles. MICROMACHINES 2022; 13:mi13070999. [PMID: 35888816 PMCID: PMC9323966 DOI: 10.3390/mi13070999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 02/01/2023]
Abstract
The optoelectronic advantages of anchoring plasmonic silver and copper particles and non-plasmonic titanium particles onto zinc oxide (ZnO) nanoflower (NF) scaffolds for the fabrication of perovskite solar cells (PSCs) are addressed in this article. The metallic particles were sputter-deposited as a function of sputtering time to vary their size on solution-grown ZnO NFs on which methylammonium lead iodide perovskite was crystallized in a controlled environment. Optical absorption measurements showed impressive improvements in the light-harvesting efficiency (LHE) of the devices using silver nanoparticles and some concentrations of copper, whereas the LHE was relatively lower in devices used titanium than in a control device without any metallic particles. Fully functional PSCs were fabricated using the plasmonic and non-plasmonic metallic film-decorated ZnO NFs. Several fold enhancements in photoconversion efficiency were achieved in the silver-containing devices compared with the control device, which was accompanied by an increase in the photocurrent density, photovoltage, and fill factor. To understand the plasmonic effects in the photoanode, the LHE, photo-current density, photovoltage, photoluminescence, incident photon-to-current conversion efficiency, and electrochemical impedance properties were thoroughly investigated. This research showcases the efficacy of the addition of plasmonic particles onto photo anodes, which leads to improved light scattering, better charge separation, and reduced electron–hole recombination rate.
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Yang G, Li X, Zhao B, Liu C, Zhang T, Li Z, Liu Z, Li X. Embedding SnO 2 Thin Shell Protected Ag Nanowires in SnO 2 ETL to Enhance the Performance of Perovskite Solar Cells. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:6752-6760. [PMID: 35593034 DOI: 10.1021/acs.langmuir.2c00792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The energy level mismatching between SnO2 and perovskite and the nonradiative recombination at SnO2-perovskite interface severely degrade the extraction of carriers, reducing the power conversion efficiency (PCE) and stability of planar perovskite solar cells (PSCs) based on SnO2 electron transfer layer (ETL). In the present work, a reinforced SnO2 ETL was successfully developed by embedding SnO2 thin shell protected Ag nanowires (Ag/SnO2 NWs) in traditional planar SnO2 film, which was proved to not only lower the conduction band of SnO2 to adjust the energy level matching, but also significantly reduce the interfacial carrier recombination. Moreover, Ag/SnO2 NWs improved the electrical conductivity of SnO2 ETL, and effectively promoted carrier transport. Benefiting from the use of Ag/SnO2 NWs, our newly designed PSC achieved a significantly increased champion PCE of 19.78%, which is 7% higher than the traditional PSC without Ag/SnO2 NWs embedding, indicating its great application potential in PSCs.
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Affiliation(s)
- Guangwu Yang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Xinmei Li
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Baohua Zhao
- College of Science, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Chengben Liu
- College of Science, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Teng Zhang
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Zhi Li
- Shandong Energy Group Co., Ltd., 19/F, high salary Wanda J3 office building, 57-1, Gongye South Road, High tech Zone, Jinan City, Shandong Province 250014, China
| | - Zhaobin Liu
- Shandong Energy Group Co., Ltd., 19/F, high salary Wanda J3 office building, 57-1, Gongye South Road, High tech Zone, Jinan City, Shandong Province 250014, China
| | - Xiyou Li
- School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China
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