Design and analysis of Sb2S3/Si thin film tandem solar cell

Okil, M.; Shaker, Ahmed; Ahmed, Ibrahim S.; Abdolkader, Tarek M.; Salem, Marwa S.

doi:10.1016/j.solmat.2023.112210

Cited by 31 publications

(20 citation statements)

References 76 publications

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“…From figure 8(a), it can be inferred that although CuI has larger hole mobility and deeper electron barring properties than Spiro, its misalignment with the absorber creates a cliff-like band offset that deters the transport of holes. Although the cliff band case does not hinder the extraction of photoexcited holes from the photoactive film to the front electrode, it influences the activation energy related with charge carrier recombination, and thus interfacial recombination losses become the chief recombination mechanism within the PV cell [41,42]. On the other hand, figure 8(b) demonstrates that using two HTLs results in a favorable band alignment with the absorber, creating an almost flat band that facilitates hole transport towards the FTO contact while also providing electron-blocking capabilities.…”

Section: Physical Interpretation Of the Resultsmentioning

confidence: 99%

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Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Salem,

Okil,

Shaker

et al. 2023

J. Phys. Energy

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Investigations into novel device architectures and interfaces that enhance charge transport and collection are necessary to increase the power conversion efficiency (PCE) of antimony selenide (Sb2Se3) solar cells, which have shown great promise as a low-cost and high-efficiency alternative to conventional silicon-based solar cells. The current work uses device simulations to design p-i-n and n-i-p Sb2Se3-based solar cell structures. The n-i-p configuration is investigated by comparing distinct electron transport layer (ETL) materials to get the best performance. While certain ETL materials may yield higher efficiencies, the J–V curve may exhibit S-shaped behavior if there is a misalignment of the bands at the ETL/absorber interface. To address this issue, a proposed double ETL structure is introduced to achieve proper band alignment and conduction band offset for electron transport. A PCE of 20.15% was achieved utilizing (ZnO/ZnSe) as a double ETL and Spiro-OMeTAD as a hole transport layer (HTL). Further, the p-i-n configuration is designed by proposing a double HTL structure to facilitate hole transport and achieve a proper valence band offset. A double HTL consisting of (CuI/CuSCN) is used in conjunction with ETL-free configuration to achieve a PCE of 21.72%. The simulation study is conducted using the SCAPS-1D device simulator and is validated versus a previously fabricated cell based on the configuration FTO/CdS/Sb2Se3/Spiro-OMeTAD/Au.

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Section: Physical Interpretation Of the Resultsmentioning

confidence: 99%

“…Therefore, extra research is necessary to identify suitable ETL materials. CBO is essential in determining V oc and cell efficiency, as defined in [41,42] (see equation ( 3)), making it a crucial factor to consider in ETL analysis,…”

Section: Single Etl Versus Double Etlmentioning

confidence: 99%

Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Salem,

Okil,

Shaker

et al. 2023

J. Phys. Energy

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“…Various tandems have been experimentally and theoretically explored in the literature, featuring both 2-T and 4-T configurations. These include perovskite/Si [6,7], Sb 2 S 3 /Si [8], perovskite/perovskite [9], perovskite/CIGS [10,11], perovskite/organic [12,13], and many other tandems incorporating diverse material systems.…”

Section: Introductionmentioning

confidence: 99%

Optimization of all-polymer/Sb₂Se₃ tandem solar cells for enhanced efficiency: a comprehensive TCAD modeling approach

Alanazi,

Shaker,

Gad

et al. 2024

Phys. Scr.

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This paper introduces a novel tandem configuration, utilizing an all-thin film all-polymer solar cell (all-PSC) with a wide bandgap of 1.76 eV for the front cell and Sb2Se3 with a narrow bandgap of 1.2 eV for the bottom cell. The design of this tandem is performed by comprehensive optoelectronic TCAD tools, essential for optimizing parameters across multiple layers to reach maximum power conversion efficiency (PCE). Experimental validation of models is conducted through calibration and validation against fabricated reference all-polymer and Sb2Se3 solar cells, yielding calibrated PCEs of approximately 10.1% and 10.5%, respectively. Subsequently, validated simulation models for both top and rear cells are utilized to design a 2-T all-polymer/Sb2Se3 tandem cell, which initially achieves a PCE of 10.91%. Through systematic optimization steps, including interface engineering and homojunction structure design, a remarkable PCE of 24.24% is achieved at the current matching point, showcasing the potential of our proposed tandem solar cell design. This study represents a significant advancement in the field of thin-film tandem solar cells, offering promising avenues for efficient and cost-effective photovoltaic technologies, particularly in applications requiring flexibility.

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“…Since the subcells in a tandem solar cell often work independently, it is challenging to carefully tailor the interfacial layer for the recombination of the opposite charges from the top and the bottom subcells, thereby significantly increasing the complexity of device preparation. Due to the critical crystallization temperature of inorganic semiconductors, solution‐processed tandem PHJ method has been rarely utilized for inorganic/inorganic systems, such as Sb 2 Se 3 /Sb 2 S 3 and Sb 2 S 3 /Si tandem solar cells [11,12] . Unfortunately, there is no report on solution‐processed parallel solar cells, which is very likely related to the complexity in designing terminal electrodes and/or interfacial block layers in parallel tandem systems [13,14] …”

Section: Introductionmentioning

confidence: 99%

Parallel Planar Heterojunction Strategy Enables Sb₂S₃ Solar Cells with Efficiency Exceeding 8 %

Zhu,

Liu,

Wan

et al. 2023

Angew Chem Int Ed

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Solution‐processed solar cells based on inorganic heterojunctions provide a potential approach to the efficient, stable and low‐cost solar cells required for the terrestrial generation of photovoltaic energy. Antimony trisulfide (Sb2S3) is a promising photovoltaic absorber. Here, an easily solution‐processed parallel planar heterojunction (PPHJ) strategy and related principle are developed to prepare efficient multiple planar heterojunction (PHJ) solar cells, and the PPHJ strategy boosts the efficiency of solution‐processed Sb2S3 solar cells up to 8.32 % that is the highest amongst Sb2S3 devices. The Sb2S3‐based PPHJ device consists of two kinds of conventional planar heterojunction (PHJ) subcells in a parallel connection: Sb2S3‐based PHJ subcells dominating the absorption and charge generation and CH3NH3PbI3‐based PHJ subcells governing the electron transport towards collection electrode, but it belongs to an Sb2S3 device in nature. The resulting PPHJ device combines together the distinctive structural features of Sb2S3 absorbing layer as a main absorber and the duplexity of well‐crystallized/oriented CH3NH3PbI3 layer in charge transportation as an additional absorber, while the presence of perovskite does not affect device stability. The PPHJ strategy maintains the facile preparation by the conventional sequential depositions of multiple layers, but eliminates the normal complexity in both tandem and parallel tandem PHJ systems.

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Design and analysis of Sb2S3/Si thin film tandem solar cell

Cited by 31 publications

References 76 publications

Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Optimization of all-polymer/Sb₂Se₃ tandem solar cells for enhanced efficiency: a comprehensive TCAD modeling approach

Parallel Planar Heterojunction Strategy Enables Sb₂S₃ Solar Cells with Efficiency Exceeding 8 %

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Design and analysis of Sb2S3/Si thin film tandem solar cell

Cited by 31 publications

References 76 publications

Design of n-i-p and p-i-n Sb2Se3 solar cells: role of band alignment

Design of n-i-p and p-i-n Sb2Se3 solar cells: role of band alignment

Optimization of all-polymer/Sb2Se3 tandem solar cells for enhanced efficiency: a comprehensive TCAD modeling approach

Parallel Planar Heterojunction Strategy Enables Sb2S3 Solar Cells with Efficiency Exceeding 8 %

Contact Info

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Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Design of n-i-p and p-i-n Sb₂Se₃ solar cells: role of band alignment

Optimization of all-polymer/Sb₂Se₃ tandem solar cells for enhanced efficiency: a comprehensive TCAD modeling approach

Parallel Planar Heterojunction Strategy Enables Sb₂S₃ Solar Cells with Efficiency Exceeding 8 %