Bilayered Dion–Jacobson lead-iodine hybrid perovskite with aromatic spacer for broadband photodetection

Fu, Dongying; Pan, Lin; Ma, Yanli; Zhang, Yue

doi:10.1016/j.cclet.2024.109621

Chinese Chemical Letters

2025

DOI: 10.1016/j.cclet.2024.109621

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Bilayered Dion–Jacobson lead-iodine hybrid perovskite with aromatic spacer for broadband photodetection

Dongying Fu,

Lin Pan,

Yanli Ma

et al.

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A-Site Cation Chemistry in Halide Perovskites

Hautzinger,

Mihalyi-Koch,

Jin

2024

Chem. Mater.

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Metal halide perovskites are an important class of semiconductors now being implemented as photovoltaic absorbers and explored for light emission, among other device applications. The semiconducting properties of halide perovskites are deeply intertwined with their composition and structure. Specifically the symmetry, tilting, and distortions of the metal halide octahedra impact the band structure and other optoelectronic properties. In this review, we examine the various compositions of monovalent A-site cations in threedimensional (3D) halide perovskites AMX 3 (M = divalent metal; X = halide). We focus on how the A-site cation templates the inorganic metal-halide perovskite framework, resulting in changes in the crystal structure symmetry, as well as M−X bonding parameters, summarized in a comprehensive table of AMX 3 structures. The A-site cation motion, effects of alloying, and 2D Ruddlesden−Popper perovskite structures with unique A-site cations are further overviewed. Correlations are shown between these A-site cation dominated structural parameters and the resulting optoelectronic properties such as band gap. This review should serve as a reference for the A-site cation structural chemistry of metal halide perovskites and inspire continued research into less explored metal halide perovskite compositions and structures.

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A-Site Cation Chemistry in Halide Perovskites

Hautzinger,

Mihalyi-Koch,

Jin

2024

Chem. Mater.

View full text Add to dashboard Cite

show abstract

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Bilayered Dion–Jacobson lead-iodine hybrid perovskite with aromatic spacer for broadband photodetection

Cited by 1 publication

References 27 publications

A-Site Cation Chemistry in Halide Perovskites

A-Site Cation Chemistry in Halide Perovskites

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