Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells

Chenxu Han; Yao Wang; Jiabei Yuan; Jianguo Sun; Xuliang Zhang; Claudio Cazorla; Xianxin Wu; Ziang Wu; Junwei Shi; Junjun Guo; Hehe Huang; Long Hu; Xinfeng Liu; Han Young Woo; Jianyu Yuan; Wanli Ma

doi:10.1002/anie.202205111

Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells

Chenxu Han, Yao Wang, Jiabei Yuan, Jianguo Sun, Xuliang Zhang, Claudio Cazorla, Xianxin Wu, Ziang Wu, Junwei Shi, Junjun Guo, Hehe Huang, Long Hu, Xinfeng Liu, Han Young Woo, Jianyu Yuan^*, Wanli Ma

^*Corresponding author for this work

School of Engineering

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Ruddlesden–Popper phase 2D perovskite solar cells (PSCs) exhibit improved lifetime while still facing challenges such as phase alignment and up-scaling to module-level devices. Herein, polyelectrolytes are explored to tackle this issue. The contact between perovskite and hole-transport layer (HTL) is important for decreasing interfacial non-radiative recombination and scalable fabrication of uniform 2D perovskite films. Through exploring compatible butylamine cations, we first demonstrate poly(3-(4-carboxybutyl)thiophene-2,5-diyl)-butylamine (P3CT-BA) as an efficient HTL for 2D PSCs due to its great hydrophilicity, relatively high hole mobility and uniform surface. More importantly, the tailored P3CT-BA has an anchoring effect and acts as the buried passivator for 2D perovskites. Consequently, a best efficiency approaching 18 % was achieved and we further first report large-area (2×3 cm², 5×5 cm²) 2D perovskite minimodules with an impressive efficiency of 14.81 % and 11.13 %, respectively.

Original language	English
Article number	e202205111
Pages (from-to)	1-10
Number of pages	10
Journal	Angewandte Chemie - International Edition
Volume	61
Issue number	36
DOIs	https://doi.org/10.1002/anie.202205111
Publication status	Published - 5 Sept 2022

Keywords

2D Perovskites
Polyelectrolytes
Ruddelsden–Popper Phase
Solar Cells

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10.1002/anie.202205111

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Han, C., Wang, Y., Yuan, J., Sun, J., Zhang, X., Cazorla, C., Wu, X., Wu, Z., Shi, J., Guo, J., Huang, H., Hu, L., Liu, X., Woo, H. Y., Yuan, J., & Ma, W. (2022). Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells. Angewandte Chemie - International Edition, 61(36), 1-10. Article e202205111. https://doi.org/10.1002/anie.202205111

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abstract = "Ruddlesden–Popper phase 2D perovskite solar cells (PSCs) exhibit improved lifetime while still facing challenges such as phase alignment and up-scaling to module-level devices. Herein, polyelectrolytes are explored to tackle this issue. The contact between perovskite and hole-transport layer (HTL) is important for decreasing interfacial non-radiative recombination and scalable fabrication of uniform 2D perovskite films. Through exploring compatible butylamine cations, we first demonstrate poly(3-(4-carboxybutyl)thiophene-2,5-diyl)-butylamine (P3CT-BA) as an efficient HTL for 2D PSCs due to its great hydrophilicity, relatively high hole mobility and uniform surface. More importantly, the tailored P3CT-BA has an anchoring effect and acts as the buried passivator for 2D perovskites. Consequently, a best efficiency approaching 18 % was achieved and we further first report large-area (2×3 cm2, 5×5 cm2) 2D perovskite minimodules with an impressive efficiency of 14.81 % and 11.13 %, respectively.",

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author = "Chenxu Han and Yao Wang and Jiabei Yuan and Jianguo Sun and Xuliang Zhang and Claudio Cazorla and Xianxin Wu and Ziang Wu and Junwei Shi and Junjun Guo and Hehe Huang and Long Hu and Xinfeng Liu and Woo, {Han Young} and Jianyu Yuan and Wanli Ma",

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Han, C, Wang, Y, Yuan, J, Sun, J, Zhang, X, Cazorla, C, Wu, X, Wu, Z, Shi, J, Guo, J, Huang, H, Hu, L, Liu, X, Woo, HY, Yuan, J & Ma, W 2022, 'Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells', Angewandte Chemie - International Edition, vol. 61, no. 36, e202205111, pp. 1-10. https://doi.org/10.1002/anie.202205111

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T1 - Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells

AU - Han, Chenxu

AU - Wang, Yao

AU - Yuan, Jiabei

AU - Sun, Jianguo

AU - Zhang, Xuliang

AU - Cazorla, Claudio

AU - Wu, Xianxin

AU - Wu, Ziang

AU - Shi, Junwei

AU - Guo, Junjun

AU - Huang, Hehe

AU - Hu, Long

AU - Liu, Xinfeng

AU - Woo, Han Young

AU - Yuan, Jianyu

AU - Ma, Wanli

PY - 2022/9/5

Y1 - 2022/9/5

N2 - Ruddlesden–Popper phase 2D perovskite solar cells (PSCs) exhibit improved lifetime while still facing challenges such as phase alignment and up-scaling to module-level devices. Herein, polyelectrolytes are explored to tackle this issue. The contact between perovskite and hole-transport layer (HTL) is important for decreasing interfacial non-radiative recombination and scalable fabrication of uniform 2D perovskite films. Through exploring compatible butylamine cations, we first demonstrate poly(3-(4-carboxybutyl)thiophene-2,5-diyl)-butylamine (P3CT-BA) as an efficient HTL for 2D PSCs due to its great hydrophilicity, relatively high hole mobility and uniform surface. More importantly, the tailored P3CT-BA has an anchoring effect and acts as the buried passivator for 2D perovskites. Consequently, a best efficiency approaching 18 % was achieved and we further first report large-area (2×3 cm2, 5×5 cm2) 2D perovskite minimodules with an impressive efficiency of 14.81 % and 11.13 %, respectively.

AB - Ruddlesden–Popper phase 2D perovskite solar cells (PSCs) exhibit improved lifetime while still facing challenges such as phase alignment and up-scaling to module-level devices. Herein, polyelectrolytes are explored to tackle this issue. The contact between perovskite and hole-transport layer (HTL) is important for decreasing interfacial non-radiative recombination and scalable fabrication of uniform 2D perovskite films. Through exploring compatible butylamine cations, we first demonstrate poly(3-(4-carboxybutyl)thiophene-2,5-diyl)-butylamine (P3CT-BA) as an efficient HTL for 2D PSCs due to its great hydrophilicity, relatively high hole mobility and uniform surface. More importantly, the tailored P3CT-BA has an anchoring effect and acts as the buried passivator for 2D perovskites. Consequently, a best efficiency approaching 18 % was achieved and we further first report large-area (2×3 cm2, 5×5 cm2) 2D perovskite minimodules with an impressive efficiency of 14.81 % and 11.13 %, respectively.

KW - 2D Perovskites

KW - Polyelectrolytes

KW - Ruddelsden–Popper Phase

KW - Solar Cells

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SN - 1433-7851

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JO - Angewandte Chemie - International Edition

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IS - 36

M1 - e202205111

ER -

Tailoring phase alignment and interfaces via polyelectrolyte anchoring enables large-area 2D perovskite solar cells

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