Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss

Likai Zheng; Mingyang Wei; Felix T. Eickemeyer; Jing Gao; Bin Huang; Ummugulsum Gunes; Pascal Schouwink; David Wenhua Bi; Virginia Carnevali; Mounir Mensi; Francesco Biasoni; Yuxuan Zhang; Lorenzo Agosta; Vladislav Slama; Nikolaos Lempesis; Michael A. Hope; Shaik M. Zakeeruddin; Lyndon Emsley; Ursula Rothlisberger; Lukas Pfeifer; Yimin Xuan; Michael Grätzel

doi:10.1126/science.adt3417

Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss

Likai Zheng
, Mingyang Wei
, Felix T. Eickemeyer
, Jing Gao
, Bin Huang
, Ummugulsum Gunes
, Pascal Schouwink
, David Wenhua Bi
, Virginia Carnevali
, Mounir Mensi
, Francesco Biasoni
, Yuxuan Zhang
, Lorenzo Agosta
, Vladislav Slama
, Nikolaos Lempesis
, Michael A. Hope
, Shaik M. Zakeeruddin
, Lyndon Emsley
, Ursula Rothlisberger
, Lukas Pfeifer

Yimin Xuan, Michael Grätzel

能源与动力工程学院

Swiss Federal Institute of Technology Lausanne
National University of Singapore
Nanjing University of Aeronautics and Astronautics
Institute of Chemical Sciences and Engineering
Polytechnic University of Milan
University of Ioannina

科研成果: 期刊稿件 › 文章 › 同行评审

85 引用（Scopus）

摘要

A-site cation mixing can enhance the photovoltaic performance of a wide-bandgap (WBG) perovskite, but rubidium (Rb) cation mixing generally forms a nonperovskite phase. We report that lattice strain locks Rb ions into the a-phase of the lattice of a triple-halide WBG perovskite, preventing phase segregation into a nonperovskite Rb-cesium–rich phase. This process cooperates with chloride accommodation and promotes halide homogenization across the entire film volume. The resulting 1.67–electron volt WBG perovskite exhibits photoluminescence quantum yields exceeding 14% under 1-sun-equivalent irradiation, corresponding to a quasi–Fermi level splitting of ~1.34 electron volts. A WBG perovskite solar cell with an open-circuit voltage (V_OC) of 1.30 volts was prepared, corresponding to 93.5% of the radiative V_OC limit and representing the lowest photovoltage loss relative to the theoretical limit observed in WBG perovskites.

源语言	英语
页（从-至）	88-95
页数	8
期刊	Science
卷	388
期	6742
DOI	https://doi.org/10.1126/science.adt3417
出版状态	已出版 - 4 4月 2025

联合国可持续发展目标

此成果有助于实现下列可持续发展目标：

可持续发展目标 7 经济适用的清洁能源

访问文件

10.1126/science.adt3417

其它文件与链接

链接到 Scopus 的出版物

引用此

Zheng, L., Wei, M., Eickemeyer, F. T., Gao, J., Huang, B., Gunes, U., Schouwink, P., Bi, D. W., Carnevali, V., Mensi, M., Biasoni, F., Zhang, Y., Agosta, L., Slama, V., Lempesis, N., Hope, M. A., Zakeeruddin, S. M., Emsley, L., Rothlisberger, U., ... Grätzel, M. (2025). Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss. Science, 388(6742), 88-95. https://doi.org/10.1126/science.adt3417

@article{1d9ee7f6d5a046afb67fc5e239779066,

title = "Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss",

abstract = "A-site cation mixing can enhance the photovoltaic performance of a wide-bandgap (WBG) perovskite, but rubidium (Rb) cation mixing generally forms a nonperovskite phase. We report that lattice strain locks Rb ions into the a-phase of the lattice of a triple-halide WBG perovskite, preventing phase segregation into a nonperovskite Rb-cesium–rich phase. This process cooperates with chloride accommodation and promotes halide homogenization across the entire film volume. The resulting 1.67–electron volt WBG perovskite exhibits photoluminescence quantum yields exceeding 14\% under 1-sun-equivalent irradiation, corresponding to a quasi–Fermi level splitting of \textasciitilde{}1.34 electron volts. A WBG perovskite solar cell with an open-circuit voltage (VOC) of 1.30 volts was prepared, corresponding to 93.5\% of the radiative VOC limit and representing the lowest photovoltage loss relative to the theoretical limit observed in WBG perovskites.",

author = "Likai Zheng and Mingyang Wei and Eickemeyer, \{Felix T.\} and Jing Gao and Bin Huang and Ummugulsum Gunes and Pascal Schouwink and Bi, \{David Wenhua\} and Virginia Carnevali and Mounir Mensi and Francesco Biasoni and Yuxuan Zhang and Lorenzo Agosta and Vladislav Slama and Nikolaos Lempesis and Hope, \{Michael A.\} and Zakeeruddin, \{Shaik M.\} and Lyndon Emsley and Ursula Rothlisberger and Lukas Pfeifer and Yimin Xuan and Michael Gr{\"a}tzel",

note = "Publisher Copyright: Copyright {\textcopyright} 2025 the authors.",

year = "2025",

month = apr,

day = "4",

doi = "10.1126/science.adt3417",

language = "英语",

volume = "388",

pages = "88--95",

journal = "Science",

issn = "0036-8075",

publisher = "American Association for the Advancement of Science",

number = "6742",

}

Zheng, L, Wei, M, Eickemeyer, FT, Gao, J, Huang, B, Gunes, U, Schouwink, P, Bi, DW, Carnevali, V, Mensi, M, Biasoni, F, Zhang, Y, Agosta, L, Slama, V, Lempesis, N, Hope, MA, Zakeeruddin, SM, Emsley, L, Rothlisberger, U, Pfeifer, L, Xuan, Y & Grätzel, M 2025, 'Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss', Science, 卷 388, 号码 6742, 页码 88-95. https://doi.org/10.1126/science.adt3417

TY - JOUR

T1 - Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss

AU - Zheng, Likai

AU - Wei, Mingyang

AU - Eickemeyer, Felix T.

AU - Gao, Jing

AU - Huang, Bin

AU - Gunes, Ummugulsum

AU - Schouwink, Pascal

AU - Bi, David Wenhua

AU - Carnevali, Virginia

AU - Mensi, Mounir

AU - Biasoni, Francesco

AU - Zhang, Yuxuan

AU - Agosta, Lorenzo

AU - Slama, Vladislav

AU - Lempesis, Nikolaos

AU - Hope, Michael A.

AU - Zakeeruddin, Shaik M.

AU - Emsley, Lyndon

AU - Rothlisberger, Ursula

AU - Pfeifer, Lukas

AU - Xuan, Yimin

AU - Grätzel, Michael

PY - 2025/4/4

Y1 - 2025/4/4

N2 - A-site cation mixing can enhance the photovoltaic performance of a wide-bandgap (WBG) perovskite, but rubidium (Rb) cation mixing generally forms a nonperovskite phase. We report that lattice strain locks Rb ions into the a-phase of the lattice of a triple-halide WBG perovskite, preventing phase segregation into a nonperovskite Rb-cesium–rich phase. This process cooperates with chloride accommodation and promotes halide homogenization across the entire film volume. The resulting 1.67–electron volt WBG perovskite exhibits photoluminescence quantum yields exceeding 14% under 1-sun-equivalent irradiation, corresponding to a quasi–Fermi level splitting of ~1.34 electron volts. A WBG perovskite solar cell with an open-circuit voltage (VOC) of 1.30 volts was prepared, corresponding to 93.5% of the radiative VOC limit and representing the lowest photovoltage loss relative to the theoretical limit observed in WBG perovskites.

AB - A-site cation mixing can enhance the photovoltaic performance of a wide-bandgap (WBG) perovskite, but rubidium (Rb) cation mixing generally forms a nonperovskite phase. We report that lattice strain locks Rb ions into the a-phase of the lattice of a triple-halide WBG perovskite, preventing phase segregation into a nonperovskite Rb-cesium–rich phase. This process cooperates with chloride accommodation and promotes halide homogenization across the entire film volume. The resulting 1.67–electron volt WBG perovskite exhibits photoluminescence quantum yields exceeding 14% under 1-sun-equivalent irradiation, corresponding to a quasi–Fermi level splitting of ~1.34 electron volts. A WBG perovskite solar cell with an open-circuit voltage (VOC) of 1.30 volts was prepared, corresponding to 93.5% of the radiative VOC limit and representing the lowest photovoltage loss relative to the theoretical limit observed in WBG perovskites.

UR - https://www.scopus.com/pages/publications/105002825091

U2 - 10.1126/science.adt3417

DO - 10.1126/science.adt3417

M3 - 文章

C2 - 40179180

AN - SCOPUS:105002825091

SN - 0036-8075

VL - 388

SP - 88

EP - 95

JO - Science

JF - Science

IS - 6742

ER -

Strain-induced rubidium incorporation into wide-bandgap perovskites reduces photovoltage loss

摘要

联合国可持续发展目标

访问文件

其它文件与链接

学术指纹

引用此