Synergistic regulation of crystallization and buried-interface in Cs x FA 1-x PbI 3 perovskite photovoltaics using a multifunctional sulfonyl-ammonium additive

Sanwan Liu; Yifei Xu; Tianyin Miao; Qian Liu; Likai Zheng; Rui Chen; Jianan Wang; Zhengtian Tan; He Zhu; Ziming Yin; Yan Zhao; Wei Chen; Michael Grätzel; Zonghao Liu

doi:10.1039/d5ee07806g

January 1, 2026Energy & Environmental Science

Synergistic regulation of crystallization and buried-interface in Cs x FA 1-x PbI 3 perovskite photovoltaics using a multifunctional sulfonyl-ammonium additive

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Key Points

The aim is to enhance the quality of Cs x FA 1-x PbI 3 perovskite films by reducing defects through additive use.
Introduction of 2-aminoethylmethylsulfone hydrochloride (AEMS) as an additive.
Fabrication of perovskite films with varying concentrations of AEMS.
Analysis of crystallization quality and defect density in the films.
Significant improvement in crystallization uniformity was observed.
Reduction in defect density correlated with the use of AEMS.
Enhanced photovoltaic performance was recorded in films with optimal AEMS concentration.

Implication

Introduces an additive to improve crystallization and reduce defects in perovskite photovoltaics, suggesting enhanced efficiency.

Abstract

The fabrication of high-quality Cs x FA 1-x PbI 3 -based perovskite films is often limited by inhomogeneous crystallization and concomitant numerous defects. Here, we introduce 2-aminoethylmethylsulfone hydrochloride (AEMS) as...

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69b4fb8db39f7826a300bca2 https://doi.org/10.1039/d5ee07806g

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Synergistic regulation of crystallization and buried-interface in Cs x FA 1-x PbI 3 perovskite photovoltaics using a multifunctional sulfonyl-ammonium additive

Key Points

Implication

Abstract

Discussion

Cite This Study

Synergistic regulation of crystallization and buried-interface in Cs x FA 1-x PbI 3 perovskite photovoltaics using a multifunctional sulfonyl-ammonium additive

Key Points

Implication

Abstract

Discussion

Cite This Study

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