Numerical simulations of inorganic HTL-free perovskite Cs2PtI6 solar cell using SCAPS-1D

Q: What does this research mean for the field?

Numerical simulations indicate that an HTL-free, lead-free Cs2PtI6 perovskite solar cell can achieve a power conversion efficiency of 20.3%. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Hadeer H. AbdElAziz; Waleed M.A. El Rouby; M. H. Khedr; Laila Saad

doi:10.1007/s44308-026-00033-2

August 26, 2026Journal of Materials Science Materials in EnergyOpen Access

Numerical simulations of inorganic HTL-free perovskite Cs2PtI6 solar cell using SCAPS-1D

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Key Points

To numerically assess the performance and feasibility of eliminating the hole transport layer in lead-free inorganic Cs2PtI6 perovskite solar cells.
Simulated a lead-free heterojunction solar cell architecture (FTO/CdS/Cs2PtI6/metal back contact) using SCAPS-1D software.
Conducted parametric evaluations to examine the effects of absorber layer thickness, doping density, and various back metal contact materials on device performance.
The hole-transport-layer-free Cs2PtI6 solar cell achieved a power conversion efficiency of 20.3% under standard solar illumination.
Parametric analyses identified key performance dependencies on Cs2PtI6 absorber thickness, doping concentrations, and back electrode contact selection.

Implication

Simulation study demonstrates a 20.3% power conversion efficiency in hole-transport-layer-free Cs2PtI6 solar cells, suggesting a viable route for stable, lead-free photovoltaics.

Abstract

This study utilizes the SCAPS-1D to conduct a numerical simulation of lead-free solar cell device based on Cs 2 PtI 6 . We aim to explore the impact of eliminating hole transport materials (HTL) on the device's performance while ensuring high efficiency and stability. The investigated device structure includes FTO/CdS/Cs 2 PtI 6 with a back metal electrode, along with several performance variants. Our findings reveal that the HTL-free Cs 2 PtI 6 solar cell maintains a power conversion efficiency (PCE) of 20.3% under solar illumination. Additionally, we perform parametric studies examining how variations in absorber layer thickness, doping density, and metal back contacts influence the solar cell's PCE.

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Cite This Study

AbdElAziz et al. (2026) studied this question.

synapsesocial.com/papers/6a914599d15324a1df3a8e76 https://doi.org/10.1007/s44308-026-00033-2

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Numerical simulations of inorganic HTL-free perovskite Cs2PtI6 solar cell using SCAPS-1D

Key Points

Implication

Abstract

Discussion

Cite This Study

Numerical simulations of inorganic HTL-free perovskite Cs2PtI6 solar cell using SCAPS-1D

Key Points

Implication

Abstract

Discussion

Cite This Study

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