A two-dimensional organic–inorganic lead iodide perovskite: poly[bis(3-fluorocyclobutylammonium) [di-μ-iodido-diiodidoplumbate(VI)]]

In recent years, great technological advances have been achieved in the growth of hybrid organic–inorganic perovskites (HOIPs) and these have attracted extensive attention due to their optoelectronic properties, structural tunability and stability. We present here a new two-dimensional hybrid organic–inorganic perovskite, namely, poly[bis(3-fluorocyclobutylammonium) [di-μ-iodido-diiodidoplumbate(VI)]], {(C4H9FN)2[PbI4]} n , showing a two-dimensional reticular layer with the organic cations in the middle of the meshes. The calculated experimental band gap is 2.44 eV and the band gap is calculated as 2.20 eV theoretically, which further suggests the potential of this compound as a semiconductor.

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Publisher Correction: Selective enhancement of optical nonlinearity in two-dimensional organic-inorganic lead iodide perovskites

Nature Communications ◽

10.1038/s41467-017-01766-z ◽

2017 ◽

Vol 8 (1) ◽

Cited By ~ 1

Author(s):

F. O. Saouma ◽

C. C. Stoumpos ◽

J. Wong ◽

M. G. Kanatzidis ◽

J. I. Jang

Keyword(s):

Optical Nonlinearity ◽

Two Dimensional ◽

Lead Iodide ◽

Inorganic Lead ◽

Selective Enhancement

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Ab initio modeling of 2D and quasi-2D lead organohalide perovskites with divalent organic cations and a tunable band gap

Physical Chemistry Chemical Physics ◽

10.1039/c9cp06851a ◽

2020 ◽

Vol 22 (36) ◽

pp. 20573-20587

Author(s):

Alberto Fraccarollo ◽

Alberto Zoccante ◽

Leonardo Marchese ◽

Maurizio Cossi

Keyword(s):

Ab Initio ◽

Band Gap ◽

Organic Cations ◽

2D Systems ◽

Structure And Properties ◽

Lead Iodide ◽

Ab Initio Modeling ◽

Inorganic Layers ◽

Tunable Band Gap

We describe theoretically the structure and properties of layered lead organohalide perovskites, considering purely bi-dimensional (2D) PbI4 layers, and quasi-2D systems where the inorganic layers are formed by more than one lead iodide sheet.

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(TMT–TTF)[Pb2.6/3□0.4/3I2]3: a TTF-intercalated two-dimensional hybrid lead iodide: crystal structure and properties

New Journal of Chemistry ◽

10.1039/c9nj04316k ◽

2020 ◽

Vol 44 (4) ◽

pp. 1263-1268

Author(s):

Wen-Yu Yin ◽

Yi-Gang Weng ◽

Miao Jiang ◽

Shuai-Kang Yu ◽

Qin-Yu Zhu ◽

...

Keyword(s):

Crystal Structure ◽

Band Gap ◽

Carrier Density ◽

Narrow Band ◽

High Conductivity ◽

Two Dimensional ◽

Structure And Properties ◽

Lead Iodide ◽

Photoelectric Properties ◽

Iodide Crystal

A rare tetrathiafulvalene (TTF) derivative intercalated 2-D hybrid lead iodide with a partially oxidized TTF and Pb-vacancy in PbI2 was prepared. It exhibits a narrow band gap and high conductivity. The carrier density and photoelectric properties are first evaluated for a TTF-PbI compound.

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Conformational disorder of organic cations tunes the charge carrier mobility in two-dimensional organic-inorganic perovskites

Nature Communications ◽

10.1038/s41467-020-19330-7 ◽

2020 ◽

Vol 11 (1) ◽

Author(s):

Chuanzhao Li ◽

Jin Yang ◽

Fuhai Su ◽

Junjun Tan ◽

Yi Luo ◽

...

Keyword(s):

Charge Carrier ◽

Carrier Mobility ◽

Molecular Conformation ◽

Strong Dependence ◽

Charge Carrier Mobility ◽

Optoelectronic Properties ◽

Organic Cations ◽

Two Dimensional ◽

Broadband Emission ◽

Conformational Order

Abstract The chemical nature of the organic cations governs the optoelectronic properties of two-dimensional organic-inorganic perovskites. But its mechanism is not fully understood. Here, we apply femtosecond broadband sum frequency generation vibrational spectroscopy to investigate the molecular conformation of spacer organic cations in two-dimensional organic-inorganic perovskite films and establish a correlation among the conformation of the organic cations, the charge carrier mobility, and broadband emission. Our study indicates that both the mobility and broadband emission show strong dependence on the molecular conformational order of organic cations. The gauche defect and local chain distortion of organic cations are the structural origin of the in-plane mobility reduction and broad emission in two-dimensional organic-inorganic perovskites. Both of the interlayer distance and the conformational order of the organic cations affect the out-of-plane mobility. This work provides molecular-level understanding of the conformation of organic cations in optimizing the optoelectronic properties of two-dimensional organic-inorganic perovskites.

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Ligand-Mediated Synthesis of Chemically Tailored Two-Dimensional All-Inorganic Perovskite Nanoplatelets Under Ambient Conditions

Journal of Materials Chemistry C ◽

10.1039/d1tc02931b ◽

2021 ◽

Author(s):

Andrew H Davis ◽

Shuuya Li ◽

Hanjie Lin ◽

Chun Chu ◽

John Mark Franck ◽

...

Keyword(s):

Energy Conversion ◽

Light Harvesting ◽

Optoelectronic Properties ◽

Two Dimensional ◽

Ambient Conditions ◽

Inorganic Perovskite ◽

Perovskite Nanocrystals ◽

Halide Perovskite

All-inorganic halide perovskite nanocrystals (NCs) offer impressive optoelectronic properties for light harvesting, energy conversion, and photoredox applications, with two-dimensional (2D) perovskite NCs further increasing these prospects due to their improved...

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