An interlayer of aluminium oxide with fixed charges is shown to boost perovskite solar cell performance. The open-circuit voltage is increased by 60 meV, and there is no significant efficiency drop after 2,000 hours under one sun illumination at 85 °C.
This is a preview of subscription content, log in via an institution to check access.
References
Dingemans, G. & Kessels, W. M. M. Status and prospects of Al2O3-based surface passivation schemes for silicon solar cells. J. Vac. Sci. Technol. A 30, 040802 (2012). This review article covers the Shockley–Read–Hall formalism for the surface recombination rate.
Cunha, J. M. V. et al. Perovskite metal–oxide–semiconductor structures for interface characterization. Adv. Mater. Interfaces 8, 2101004 (2021). This article introduces a way to measure fixed charge values at heterojunction interfaces.
Kotipalli, R. et al. Addressing the impact of rear surface passivation mechanisms on ultra-thin Cu(In,Ga)Se2 solar cell performances using SCAPS 1-D model. Sol. Energy 157, 603–613 (2017). This article demonstrates how to use SCAPS software to simulate the impact of fixed charges on device performance.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
This is a summary of: Yang, Y. et al. Inverted perovskite solar cells with over 2,000 h operational stability at 85 °C using fixed charge passivation. Nat. Energy https://doi.org/10.1038/s41560-023-01377-7 (2023).
Rights and permissions
About this article
Cite this article
Fixed charge passivation in perovskite solar cells. Nat Energy 9, 16–17 (2024). https://doi.org/10.1038/s41560-023-01392-8
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41560-023-01392-8
- Springer Nature Limited