Hexagonal Stacking Faults Act as Hole-Blocking Layers in Lead Halide Perovskites

Ji Sang Park; Zhenzhu Li; Jacob N. Wilson; Wan Jian Yin; Aron Walsh

doi:10.1021/acsenergylett.0c01124

Hexagonal Stacking Faults Act as Hole-Blocking Layers in Lead Halide Perovskites

Ji Sang Park, Zhenzhu Li, Jacob N. Wilson, Wan Jian Yin, Aron Walsh

Department of Physics

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

14 Scopus citations

Abstract

The transformation between black (corner sharing) and yellow (face sharing) polytypes of lead halide perovskites is a major performance bottleneck. We investigate phase intermixing through the simulation of stacking faults (nanodomains) that reveal a small thermodynamic cost but large electronic consequences in CsPbI3.

Original language	English
Pages (from-to)	2231-2233
Number of pages	3
Journal	ACS Energy Letters
Volume	5
Issue number	7
DOIs	https://doi.org/10.1021/acsenergylett.0c01124
State	Published - 10 Jul 2020

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Publisher Copyright:
Copyright © 2020 American Chemical Society.

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abstract = "The transformation between black (corner sharing) and yellow (face sharing) polytypes of lead halide perovskites is a major performance bottleneck. We investigate phase intermixing through the simulation of stacking faults (nanodomains) that reveal a small thermodynamic cost but large electronic consequences in CsPbI3.",

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AU - Wilson, Jacob N.

AU - Yin, Wan Jian

AU - Walsh, Aron

PY - 2020/7/10

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AB - The transformation between black (corner sharing) and yellow (face sharing) polytypes of lead halide perovskites is a major performance bottleneck. We investigate phase intermixing through the simulation of stacking faults (nanodomains) that reveal a small thermodynamic cost but large electronic consequences in CsPbI3.

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Hexagonal Stacking Faults Act as Hole-Blocking Layers in Lead Halide Perovskites

Abstract

Bibliographical note

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