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Highlight | Open Access

Towards the optimal interstitial doping for halide perovskites

Sang-Hyun Chin1, Jin-Wook Lee1,2( )
Department of Nano Science and Technology and Department of Nanoengineering, Sungkyunkwan University (SKKU) Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 16419, Republic of Korea
SKKU Institute of Energy Science & Technology (SIEST), Sungkyunkwan University, Suwon 16419, Republic of Korea
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Abstract

Interstitial doping has been considered as an effective strategy to passivate and immobilize the ionic defects of metal halide perovskites to enhance performance and stability of perovskite solar cells. However, high dopant dosage causes lattice distortion which results in micro-strain and subsequent phase destabilization. This highlight discusses the latest report regarding optimal interstitial doping with a multivalent alkali metal cation for perovskites and awaiting issues associated with it.

Graphical Abstract

This highlight discusses the latest report on optimal interstitial doping of halide perovskites and awaiting issues associated with it.

Keywords

perovskitessolar cellsinterstitial dopingdefect passivationstability

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Nano Research Energy
Volume 2 Issue 3,
September 2023
Article number: e9120071
DOI: 10.26599/NRE.2023.9120071

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Cite this article:
Chin S-H, Lee J-W. Towards the optimal interstitial doping for halide perovskites. Nano Research Energy, 2023, 2: e9120071. https://doi.org/10.26599/NRE.2023.9120071

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Received: 20 March 2023
Accepted: 07 April 2023
Published: 18 May 2023
© The Author(s) 2023. Published by Tsinghua University Press.

The articles published in this open access journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.