Exploring the interfacial effects at the ETL/perovskite boundary in the semitransparent perovskite solar cells

Szmytkowski, Jȩdrzej; Galagan, Yulia; Glowienka, Damian

doi:10.1016/j.solener.2023.112176

Solar Energy

2023

DOI: 10.1016/j.solener.2023.112176

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Exploring the interfacial effects at the ETL/perovskite boundary in the semitransparent perovskite solar cells

Jȩdrzej Szmytkowski,

Yulia Galagan,

Damian Glowienka

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Cited by 3 publications

References 90 publications

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Understanding the Dominant Physics Mechanisms on the p‐i‐n Perovskite Solar Cells Fabricated by Scalable Slot‐Die Coating Process in Ambient Air

Glowienka,

Huang,

Lee

et al. 2023

Solar RRL

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Perovskite solar cells (PSC) are emerging technologies that have shown continuous improvement in power conversion efficiency (PCE) and stability. However, a very important aspect that has been seldom considered is the reproducibility of PCE of PSC devices. It is possible to achieve PCE from 10.21% to 17.05% using scalable slot‐die‐coating technique. However, a spatial distribution of performance is clearly observed for device samples on a 4 × 4 cm substrate. The relatively low PCE is mainly coming from the losses of electrical mechanism. To have in‐depth understanding of the losses, the dominant loss analysis techniques including numerical simulations are used to explore the mechanism. In the results, it is indicated that a part of efficiency decrease is due to the increase of bulk defect density which linearly changes with the quality of the perovskite layer and related to recombination process. However, extremely high‐charge‐carrier transportation losses are found at the HTL/perovskite interface that are related to the Fermi‐level pinning mechanism for low‐efficiency device. The result of physics insight of perovskite solar cells leads to a strategy, where chemical passivation technique is used to achieve the PCE from 13.81% to 18.07% for the batch of devices with good reproducibility.

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Understanding the Dominant Physics Mechanisms on the p‐i‐n Perovskite Solar Cells Fabricated by Scalable Slot‐Die Coating Process in Ambient Air

Glowienka,

Huang,

Lee

et al. 2023

Solar RRL

Self Cite

View full text Add to dashboard Cite

show abstract

Multi-physics device simulations of optimized semi-transparent perovskite solar cells: Influence of material types and layer thicknesses on transmittance and electrical performance

Yohanes Tesfancheal,

Wang,

Chen

et al. 2024

Solar Energy

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Quantitative loss analysis of opaque perovskite solar cells using transient and steady-state characterization

Cudo,

Ollearo,

Gelinck

et al. 2024

Phys. Rev. Applied

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Perovskite solar cells have emerged as a promising technology in the field of photovoltaics, owing to their notable advancements in power-conversion efficiency. Recent investigations have revealed a crucial dependency of efficiency on the source of bromide within the perovskite absorption layer. To elucidate the underlying nature of traps within these solar cells, a comprehensive series of measurements was conducted under varying light intensities. Subsequently, employing an electrodynamic theoretical model, the intrinsic processes inherent to caesium and lead-based perovskite solar cells with different bromide sources were analyzed. The study reveals significant differences in transient photocurrent measurements and photocurrent-voltage characteristics among perovskites originating from different bromide sources, measured under different light intensities. Leveraging theoretical analyses on the picosecond scale, the recombination mechanism of crystal defects was meticulously described revealing the pronounced influence of capture rates on electron-hole recombination dynamics. Furthermore, the investigation substantiated the presence of a band-bending phenomenon at the interface between the hole transport layer (HTL) and perovskite, elucidating the observed transient photocurrent phenomena. The findings significantly advance the understanding of the mechanisms underlying perovskite solar cells, offering valuable insights into their performance and paving the way for enhanced efficiency and stability in future device design and optimization. Published by the American Physical Society 2024

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Exploring the interfacial effects at the ETL/perovskite boundary in the semitransparent perovskite solar cells

Cited by 3 publications

References 90 publications

Understanding the Dominant Physics Mechanisms on the p‐i‐n Perovskite Solar Cells Fabricated by Scalable Slot‐Die Coating Process in Ambient Air

Understanding the Dominant Physics Mechanisms on the p‐i‐n Perovskite Solar Cells Fabricated by Scalable Slot‐Die Coating Process in Ambient Air

Multi-physics device simulations of optimized semi-transparent perovskite solar cells: Influence of material types and layer thicknesses on transmittance and electrical performance

Quantitative loss analysis of opaque perovskite solar cells using transient and steady-state characterization

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