The effect of spacer cations on optoelectronic properties of two-dimensional perovskite based on first-principles calculations

Lu, Zhengli; Xu, Xin; Gao, Yujia; Wu, Zewei; Li, Ang; Zhan, Zhenye; Qu, Yating; Cai, Yating; Huang, Xi; Huang, Jiawei; Zhang, Zheyu; Luo, Tian; Peng, Lin; Liu, Pengyi; Shi, Tingting; Xie, Weiguang

doi:10.1016/j.surfin.2022.102343

Cited by 5 publications

(4 citation statements)

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“…[ 156 ] Specifically, the shorter distance between inorganic layers and partial overlap of axial halide atomic orbitals enable it to weaken the challenge of out‐of‐plane carrier transport while maintaining excellent chemical stability, making it a promising 2D perovskite material. [ 157 ]…”

Section: Where Does 2d End and 3d Begin?mentioning

confidence: 99%

What Matters for the Charge Transport of 2D Perovskites?

Zhang,

Abdi‐Jalebi,

Larson

et al. 2024

Advanced Materials

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Compared to three‐dimensional (3D) perovskites, two‐dimensional (2D) perovskites exhibit excellent stability, structural diversity, and tunable bandgaps, making them highly promising for applications in solar cells, light‐emitting diodes and photodetectors. However, the trade‐off for worse charge transport is a critical issue that needs to be addressed. This comprehensive review first discusses the structure of 3D and 2D metal halide perovskites, then summarizes the significant factors influencing charge transport in detail and provides a brief overview of the testing methods. Subsequently, various strategies to improve the charge transport are presented, including tuning A'‐site organic spacer cations, A‐site cations, B‐site metal cations, and X‐site halide ions. Finally, an outlook on the future development of improving the 2D perovskites’ charge transport is discussed.This article is protected by copyright. All rights reserved

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Section: Where Does 2d End and 3d Begin?mentioning

confidence: 99%

What Matters for the Charge Transport of 2D Perovskites?

Zhang,

Abdi‐Jalebi,

Larson

et al. 2024

Advanced Materials

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Section: Structure and Properties Of 2d Perovskite Materialsmentioning

confidence: 99%

“…45 Lu et al clarified the mechanism of spacer cations by comparing the E g modulation range of the ACI phase and RP phase perovskites, and proposed a method to adjust the E g of 2D perovskites by selecting different spacer cations. 46 Due to the unique layered structure of 2D perovskites, they display another attractive property, namely the tunable optical properties. The optical properties of 2D perovskites mainly depend on the thickness and composition of the inorganic layers, and the E g and exciton binding energy can be greatly regulated by tailoring the n value (the number of inorganic layers between the organic spacer layers).…”

Section: Structure and Properties Of 2d Perovskite Materialsmentioning

confidence: 99%

Recent progress of two-dimensional Ruddlesden–Popper perovskites in solar cells

Wang¹,

Dong²,

Chen³

et al. 2023

Mater. Chem. Front.

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“…The A-site cation can also be substituted by long-chain organic cations, such as butylamine (BA + ) and phenethylamine (PEA + ), resulting in a dimensional reduction from 3D to 2D perovskite structures. 1 The M-site is typically occupied by metal cations such as Pb 2+ and Sn 2+ , while the X-site is filled with halide anions such as Cl − , Br − , and I − . Perovskite materials exhibit numerous advantages, including high charge carrier mobility and lifetime, high conversion efficiency, tunable optical and electronic properties, cost-effectiveness, and straightforward fabrication processes.…”

Section: Introductionmentioning

confidence: 99%