Interplay of Diffusion and Crystallization in Sequentially Evaporated Lead Tin Perovskites

Q: What does this research mean for the field?

Controlling the interplay of diffusion and crystallization during sequential evaporation overcomes challenges in fabricating high-quality low bandgap Pb-Sn perovskites at device-relevant thicknesses. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Lara M van der Poll; Moises Camara Diaz; Reinder K. Boekhoff; Poojalakshmi Vageeswaran; Niels van Silfhout; Luana Mazzarella; Swapna Ganapathy; Lars Bannenberg; Dibyajyoti Ghosh; Arno Hendrikus Marie Smets; Tom J Savenije

doi:10.1039/d6el00044d

January 1, 2026EES solar.Open Access

Interplay of Diffusion and Crystallization in Sequentially Evaporated Lead Tin Perovskites

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Key Points

This research aims to optimize the fabrication of lead tin perovskites for enhanced solar cell performance.
Studied the sequential evaporation technique for lead tin perovskite formation.
Analyzed structural and optoelectronic properties of the produced films.
Evaluated device-relevant thicknesses for performance assessments.
Achieved high structural quality in lead tin perovskites with optimized evaporation processes.
Demonstrated significant improvements in optoelectronic properties at greater thicknesses.

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Implication

Examines crystallization effects on lead tin perovskite solar cell quality, indicating implications for efficiency.

Abstract

Low bandgap (LBG) Pb-Sn perovskites (PVKs) are key absorber materials for high-efficiency all-perovskite tandem solar cells. Yet, their fabrication at device-relevant thicknesses with high structural and optoelectronic quality remains challenging....

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Cite This Study

Poll et al. (2026) studied this question.

synapsesocial.com/papers/6a1a80550307b785094324c9 https://doi.org/10.1039/d6el00044d

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Interplay of Diffusion and Crystallization in Sequentially Evaporated Lead Tin Perovskites

Key Points

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Implication

Abstract

Discussion

Cite This Study

Interplay of Diffusion and Crystallization in Sequentially Evaporated Lead Tin Perovskites

Key Points

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Implication

Abstract

Discussion

Cite This Study

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