Correlations between Electrochemical Ion Migration and Anomalous Device Behaviors in Perovskite Solar Cells

Jie Liu; Mingyu Hu; Zhenghong Dai; Wenxiu Que; Nitin P. Padture; Yuanyuan Zhou

doi:10.1021/acsenergylett.0c02662

Correlations between Electrochemical Ion Migration and Anomalous Device Behaviors in Perovskite Solar Cells

Jie Liu, Mingyu Hu, Zhenghong Dai, Wenxiu Que, Nitin P. Padture^*, Yuanyuan Zhou^*

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Journal article › peer-review

47 Citations (Scopus)

Abstract

Ion migration is a solid-state electrochemical phenomenon widely observed in the family of halide perovskite materials, which is attributed to their intrinsically soft ionic crystal structures and mixed electronic-ionic conduction properties. Numerous studies in the literature have indicated that ion migration is the major cause of various anomalous device behaviors, including light-soaking effect, photocurrent-voltage hysteresis, and slow open-circuit voltage decay, which are commonly observed in perovskite solar cells. Herein we present a comprehensive review on these studies. We also provide a mechanistic understanding, featuring the built-in electrical field as a key factor for the elucidation of ion migration and associated device behaviors in a consistent manner. Finally, we discuss future research directions toward a better understanding of these phenomena.

Original language	English
Pages (from-to)	1003-1014
Number of pages	12
Journal	ACS Energy Letters
Volume	6
Issue number	3
Early online date	16 Feb 2021
DOIs	https://doi.org/10.1021/acsenergylett.0c02662
Publication status	Published - 12 Mar 2021

Scopus Subject Areas

Chemistry (miscellaneous)
Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Materials Chemistry

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10.1021/acsenergylett.0c02662

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title = "Correlations between Electrochemical Ion Migration and Anomalous Device Behaviors in Perovskite Solar Cells",

abstract = "Ion migration is a solid-state electrochemical phenomenon widely observed in the family of halide perovskite materials, which is attributed to their intrinsically soft ionic crystal structures and mixed electronic-ionic conduction properties. Numerous studies in the literature have indicated that ion migration is the major cause of various anomalous device behaviors, including light-soaking effect, photocurrent-voltage hysteresis, and slow open-circuit voltage decay, which are commonly observed in perovskite solar cells. Herein we present a comprehensive review on these studies. We also provide a mechanistic understanding, featuring the built-in electrical field as a key factor for the elucidation of ion migration and associated device behaviors in a consistent manner. Finally, we discuss future research directions toward a better understanding of these phenomena.",

author = "Jie Liu and Mingyu Hu and Zhenghong Dai and Wenxiu Que and Padture, {Nitin P.} and Yuanyuan Zhou",

note = "Funding Information: The work performed at Brown University (Z.D., N.P.P., Y.Z.) was supported by the Office of Naval Research (grant no. N00014-20-1-2574) and the National Science Foundation (grant no. 1929019).",

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doi = "10.1021/acsenergylett.0c02662",

language = "English",

volume = "6",

pages = "1003--1014",

journal = "ACS Energy Letters",

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T1 - Correlations between Electrochemical Ion Migration and Anomalous Device Behaviors in Perovskite Solar Cells

AU - Liu, Jie

AU - Hu, Mingyu

AU - Dai, Zhenghong

AU - Que, Wenxiu

AU - Padture, Nitin P.

AU - Zhou, Yuanyuan

N1 - Funding Information: The work performed at Brown University (Z.D., N.P.P., Y.Z.) was supported by the Office of Naval Research (grant no. N00014-20-1-2574) and the National Science Foundation (grant no. 1929019).

PY - 2021/3/12

Y1 - 2021/3/12

N2 - Ion migration is a solid-state electrochemical phenomenon widely observed in the family of halide perovskite materials, which is attributed to their intrinsically soft ionic crystal structures and mixed electronic-ionic conduction properties. Numerous studies in the literature have indicated that ion migration is the major cause of various anomalous device behaviors, including light-soaking effect, photocurrent-voltage hysteresis, and slow open-circuit voltage decay, which are commonly observed in perovskite solar cells. Herein we present a comprehensive review on these studies. We also provide a mechanistic understanding, featuring the built-in electrical field as a key factor for the elucidation of ion migration and associated device behaviors in a consistent manner. Finally, we discuss future research directions toward a better understanding of these phenomena.

AB - Ion migration is a solid-state electrochemical phenomenon widely observed in the family of halide perovskite materials, which is attributed to their intrinsically soft ionic crystal structures and mixed electronic-ionic conduction properties. Numerous studies in the literature have indicated that ion migration is the major cause of various anomalous device behaviors, including light-soaking effect, photocurrent-voltage hysteresis, and slow open-circuit voltage decay, which are commonly observed in perovskite solar cells. Herein we present a comprehensive review on these studies. We also provide a mechanistic understanding, featuring the built-in electrical field as a key factor for the elucidation of ion migration and associated device behaviors in a consistent manner. Finally, we discuss future research directions toward a better understanding of these phenomena.

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U2 - 10.1021/acsenergylett.0c02662

DO - 10.1021/acsenergylett.0c02662

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SN - 2380-8195

VL - 6

SP - 1003

EP - 1014

JO - ACS Energy Letters

JF - ACS Energy Letters

IS - 3

ER -

Correlations between Electrochemical Ion Migration and Anomalous Device Behaviors in Perovskite Solar Cells

Abstract

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