Air-processed MAPbI<sub>3</sub> perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled <i>via</i> a polymer dual-passivation strategy

Zhang, Pengyun; Xiong, Jie; Chen, Wei-Hsiang; Du, Pingfan; Song, Lixin

doi:10.1039/d3dt02080k

Dalton Trans.

2023

DOI: 10.1039/d3dt02080k

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Air-processed MAPbI₃ perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled via a polymer dual-passivation strategy

Pengyun Zhang,

Jie Xiong,

Wei-Hsiang Chen

et al.

Abstract: In recent years, air-processed MAPbI3 perovskite solar cells (PSCs) attracted widespread interest from worldwide researchers because the simple and low-cost fabrication process. Nonetheless, the ambient environment usually brings about many...

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2024

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Cited by 3 publications

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Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Gu,

Song,

Zhang

et al. 2024

Adv Funct Materials

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Flexible perovskite solar cells (f‐PSCs) have drawn widespread interest owing to their distinguished advantages in excellent flexibility and relatively low cost. However, the brittle grain boundaries (GBs) and defects in flexible perovskite film tremendously influence the power conversion efficiency (PCE) and mechanical flexibility of f‐PSCs. Herein, photothermal welding, a novel method, is used to improve the perovskite films quality and the PCE of f‐PSCs with a near‐infrared (NIR) dye (indocyanine green, ICG) and polycaprolactone (PCL) as additives. Due to the strong photothermal effect, ICG molecule not only can significantly enhance NIR light harvesting, but it also can weld GBs upon exposure to an NIR laser, which is conducive to the GBs connections and device flexibility. Meanwhile, the S═O bond of ICG and C═O bond of PCL can simultaneously coordinate with Pb2+ defects in perovskite. Furthermore, they can control crystal growth to form a smooth surface of perovskite film. Consequently, the unencapsulated PSCs based on ICG/PCL displays a high champion PCE of 20.62%, with 88.4% of the original PCE after being placed in dark conditions for 600 h. The f‐PSCs delivers a champion PCE of 19.55% and exhibits excellent mechanical stability, thus providing a meaningful scientific direction to fabricate high‐flexible f‐PSCs.

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Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Gu,

Song,

Zhang

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

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Manipulating the phase stability of a halide perovskite, CH3NH3PbI3 by high-pressure cycling

Morozova,

Zhevstovskikh,

Korobeinikov

et al. 2024

Journal of Alloys and Compounds

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Bifunctional chemical bonds for trap inactivation and ion immobilization in fully ambient-air processed perovskite solar cells

Wang,

Huang,

Luo

et al. 2024

Organic Electronics

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Air-processed MAPbI₃ perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled via a polymer dual-passivation strategy

Abstract: In recent years, air-processed MAPbI3 perovskite solar cells (PSCs) attracted widespread interest from worldwide researchers because the simple and low-cost fabrication process. Nonetheless, the ambient environment usually brings about many...

Cited by 3 publications

References 66 publications

Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Manipulating the phase stability of a halide perovskite, CH3NH3PbI3 by high-pressure cycling

Bifunctional chemical bonds for trap inactivation and ion immobilization in fully ambient-air processed perovskite solar cells

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About

Air-processed MAPbI3 perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled via a polymer dual-passivation strategy

Abstract: In recent years, air-processed MAPbI3 perovskite solar cells (PSCs) attracted widespread interest from worldwide researchers because the simple and low-cost fabrication process. Nonetheless, the ambient environment usually brings about many...

Cited by 3 publications

References 66 publications

Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Photothermal Welding Strategy for Mechanical Stability and High Efficiency of ETL‐Free f‐PSCs

Manipulating the phase stability of a halide perovskite, CH3NH3PbI3 by high-pressure cycling

Bifunctional chemical bonds for trap inactivation and ion immobilization in fully ambient-air processed perovskite solar cells

Contact Info

Product

Resources

About

Air-processed MAPbI₃ perovskite solar cells achieve 20.87% efficiency and excellent bending resistance enabled via a polymer dual-passivation strategy