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Revisiting Sub-Band Gap Emission Mechanism in 2D Halide Perovskites: The Role of Defect States

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/jacs.4c06621· OSTI ID:2427450
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [4];  [4];  [2];  [2]
  1. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstraße 5, 12489 Berlin, Germany, Institute of Chemistry and The Center for Nanoscience and Nanotechnology, The Hebrew University, Jerusalem 91904, Israel
  2. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Division Solar Energy, Kekuléstraße 5, 12489 Berlin, Germany
  3. Theoretical Physics and chemistry of Materials, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States, Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
  4. Theoretical Physics and chemistry of Materials, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
Not Available
Sponsoring Organization:
USDOE
OSTI ID:
2427450
Alternate ID(s):
OSTI ID: 2470468
Journal Information:
Journal of the American Chemical Society, Journal Name: Journal of the American Chemical Society; ISSN 0002-7863
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (55)

Exciton Formation Dynamics and Band‐Like Free Charge‐Carrier Transport in 2D Metal Halide Perovskite Semiconductors journal May 2023
Origin of Efficiency and Stability Enhancement in High‐Performing Mixed Dimensional 2D‐3D Perovskite Solar Cells: A Review journal March 2021
Defects in Hybrid Perovskites: The Secret of Efficient Charge Transport journal September 2021
2D Pb‐Halide Perovskites Can Self‐Heal Photodamage Better than 3D Ones journal March 2022
Observation of Defect Luminescence in 2D Dion–Jacobson Perovskites journal October 2021
Correlated Dynamics of Free and Self‐Trapped Excitons and Broadband Photodetection in BEA2PbBr4 Layered Crystals journal April 2022
Unraveling the Broadband Emission in Mixed Tin‐Lead Layered Perovskites journal December 2022
Characterization of the Valence and Conduction Band Levels of n = 1 2D Perovskites: A Combined Experimental and Theoretical Investigation journal February 2018
Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure journal April 2019
Ultraviolet Photoemission Spectroscopy and Kelvin Probe Measurements on Metal Halide Perovskites: Advantages and Pitfalls journal January 2020
Molecular Intercalation and Electronic Two Dimensionality in Layered Hybrid Perovskites journal May 2020
Surface photovoltage spectroscopy of semiconductor structures: at the crossroads of physics, chemistry and electrical engineering journal January 2001
Self-trapped excitons in two-dimensional perovskites journal August 2020
The self-trapped exciton journal January 1990
Self-trapped exciton and recombination luminescence in PbCl2, PbBr2 and their mixed crystals journal June 1997
Luminescence of free and self-trapped excitons in wide-gap oxides journal May 2000
Self-trapped exciton emission in crystalline anatase journal May 2000
Theoretical study on defect properties of two-dimensional multilayer Ruddlesden-Popper lead iodine perovskite journal June 2021
A machine learning model for screening thermodynamic stable lead-free halide double perovskites journal March 2022
Modelling iodine diffusion in 2D-Perovskites as a function of the length of the organic spacer molecules journal April 2024
Ruddlesden–Popper Hybrid Lead Iodide Perovskite 2D Homologous Semiconductors journal April 2016
Direct Probing of Gap States and Their Passivation in Halide Perovskites by High-Sensitivity, Variable Energy Ultraviolet Photoelectron Spectroscopy journal March 2021
Interconversion between Free Charges and Bound Excitons in 2D Hybrid Lead Halide Perovskites journal November 2017
Two Origins of Broadband Emission in Multilayered 2D Lead Iodide Perovskites journal September 2020
Point Defects in Two-Dimensional Ruddlesden–Popper Perovskites Explored with Ab Initio Calculations journal June 2022
Complexities of Contact Potential Difference Measurements on Metal Halide Perovskite Surfaces journal February 2019
Charge-Carrier Dynamics in 2D Hybrid Metal–Halide Perovskites journal October 2016
Revisiting the Determination of the Valence Band Maximum and Defect Formation in Halide Perovskites for Solar Cells: Insights from Highly Sensitive Near–UV Photoemission Spectroscopy journal September 2021
Bulk Heterostructure BA2PbI4/MAPbI3 Perovskites for Suppressed Ion Migration To Achieve Sensitive X-ray Detection Performance journal November 2022
Conditions of Photo-Induced Defect Generation and Their Luminescence in Two-Dimensional Lead Bromide Perovskites journal November 2023
Modulation of Broadband Emissions in Two-Dimensional ⟨100⟩-Oriented Ruddlesden–Popper Hybrid Perovskites journal May 2020
The Origin of Broad Emission in ⟨100⟩ Two-Dimensional Perovskites: Extrinsic vs Intrinsic Processes journal October 2022
Defects in Halide Perovskites: Does It Help to Switch from 3D to 2D? journal April 2024
Possible Dual Bandgap in (C 4 H 9 NH 3 ) 2 PbI 4 2D Layered Perovskite: Single-Crystal and Exfoliated Few-Layer journal November 2018
Deep Defect States in Wide-Band-Gap ABX 3 Halide Perovskites journal April 2019
Excitons at the Phase Transition of 2D Hybrid Perovskites journal October 2022
Self-trapped state enabled filterless narrowband photodetections in 2D layered perovskite single crystals journal February 2019
Extrinsic nature of the broad photoluminescence in lead iodide-based Ruddlesden–Popper perovskites journal May 2020
Exciton dissociation in 2D layered metal-halide perovskites journal July 2023
Resolving electron and hole transport properties in semiconductor materials by constant light-induced magneto transport journal January 2024
Visualization of dynamic polaronic strain fields in hybrid lead halide perovskites journal January 2021
Semiconductor physics of organic–inorganic 2D halide perovskites journal December 2020
Defect properties of the two-dimensional (CH 3 NH 3 ) 2 Pb(SCN) 2 I 2 perovskite: a density-functional theory study journal January 2016
Deep levels, charge transport and mixed conductivity in organometallic halide perovskites journal January 2019
Two-dimensional halide perovskites: synthesis, optoelectronic properties, stability, and applications journal January 2021
Factors influencing self-trapped exciton emission of low-dimensional metal halides journal January 2023
Exciton–phonon coupling in two-dimensional layered (BA)2PbI4 perovskite microplates journal January 2023
Intrinsic vs. extrinsic STE emission enhancement in ns2 ion doped metal (Cd, In) halide hybrids journal January 2023
Transient surface photovoltage measurement over 12 orders of magnitude in time journal May 2017
Electron mobility in hydrogenated amorphous silicon under single and double injection journal April 1987
Drift and Conductivity Mobility in Silicon journal March 1956
Self-Trapped Excitons in Silicon Dioxide: Mechanism and Properties journal October 2005
Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites journal March 2017
Surface Photovoltage Analysis of Photoactive Materials journal February 2020
Vacuum-Induced Degradation of 2D Perovskites journal February 2020

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