4.8 Review

Perovskite light-emitting diodes

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Review Chemistry, Physical

Metal halide perovskites for light-emitting diodes

Xiao-Ke Liu et al.

Summary: Perovskite emitters have shown promising optoelectronic properties suitable for light-emitting applications, with rapid progress in the development of PeLEDs reaching external quantum efficiencies of over 20%. The key focus is on improving the performance, stability, and reducing toxicity hazards of PeLEDs.

NATURE MATERIALS (2021)

Article Optics

Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes

Young-Hoon Kim et al.

Summary: In this study, a one-dopant alloying strategy was employed to enhance electroluminescence efficiencies of metal halide perovskite nanocrystals (PNCs) by reducing defect formation and enhancing charge carrier confinement. Surface-stabilizing agents and bromide vacancy healing agents were utilized to decrease defect density and improve carrier confinement, resulting in significant enhancement in performance.

NATURE PHOTONICS (2021)

Article Multidisciplinary Sciences

Mixed halide perovskites for spectrally stable and high-efficiency blue light-emitting diodes

Max Karlsson et al.

Summary: Achieving bright and efficient blue emission in metal halide perovskite light-emitting diodes has been challenging, but the authors demonstrate high EQE and spectrally stable blue light-emitting diodes based on mixed halide perovskites, with emission from 490 to 451nm by using a vapour-assisted crystallization technique.

NATURE COMMUNICATIONS (2021)

Article Multidisciplinary Sciences

Reducing the impact of Auger recombination in quasi-2D perovskite light-emitting diodes

Yuanzhi Jiang et al.

Summary: By reducing the exciton binding energy of materials and employing a polar molecule for treatment, the Auger recombination effect in perovskite materials has been successfully suppressed, leading to efficient PeLEDs devices with outstanding photoluminescence quantum yields. Additionally, a record luminance of 82,480 cd m(-2) was achieved due to the suppressed efficiency roll-off, making it one of the brightest visible PeLEDs to date.

NATURE COMMUNICATIONS (2021)

Article Materials Science, Multidisciplinary

Observation of large Rashba spin-orbit coupling at room temperature in compositionally engineered perovskite single crystals and application in high performance photodetectors

Abd Rashid bin Mohd Yusoff et al.

Summary: This study observed a large Rashba splitting in metal halide perovskite single crystals through compositional engineering, leading to indirect absorption and dual peak photoluminescence. The partial substitution of organic cations by rubidium in single crystals induced a significant Rashba effect, showing the potential of facile compositional engineering in advancing optoelectronic properties. The findings also demonstrated a promising application of spin-momentum locking in perovskite optoelectronic devices.

MATERIALS TODAY (2021)

Article Multidisciplinary Sciences

Ligand-engineered bandgap stability in mixed-halide perovskite LEDs

Yasser Hassan et al.

Summary: By utilizing multidentate ligands to treat mixed-halide perovskite nanocrystals, efficient and color-stable red electroluminescence with a wavelength centered at 620 nanometers and an external quantum efficiency of 20.3% has been achieved. The key function of the ligand treatment is to 'clean' the nanocrystal surface by removing lead atoms, which suppresses the formation of iodine Frenkel defects and halide segregation. This work demonstrates the sensitivity of metal halide perovskites to surface properties and provides a pathway to control surface defect formation and migration, crucial for achieving bandgap stability for light emission and potentially impacting other optoelectronic applications.

NATURE (2021)

Article Multidisciplinary Sciences

Chiral-induced spin selectivity enables a room-temperature spin light-emitting diode

Young-Hoon Kim et al.

Summary: Traditional optoelectronic approaches rely on both electrical and magnetic fields to control spin, charge, and light, while the use of chiral-induced spin selectivity (CISS) technology allows for the fabrication of a spin-LED that operates at room temperature without the need for magnetic fields or ferromagnetic contacts.

SCIENCE (2021)

Review Materials Science, Multidisciplinary

Electroluminescence Principle and Performance Improvement of Metal Halide Perovskite Light-Emitting Diodes

Aqiang Liu et al.

Summary: Metal halide perovskites have shown promise for high-definition displays due to their narrowband emission and high efficiency, but face challenges in stability, efficiency, and luminance in pure-blue and pure-red light-emitting devices. Understanding photoluminescence effects and addressing bottlenecks is key to overcoming these obstacles.

ADVANCED OPTICAL MATERIALS (2021)

Review Materials Science, Multidisciplinary

Halide Perovskite Light-Emitting Diode Technologies

Kangyu Ji et al.

Summary: Halide perovskites have shown remarkable optoelectronic properties in next-generation solid-state lighting and displays, particularly in LEDs with high external quantum efficiencies. Challenges related to device stability and material toxicity are being addressed, while there is potential for white light emission and lasing applications using perovskite materials in the future.

ADVANCED OPTICAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

All-Inorganic Quantum-Dot LEDs Based on a Phase-Stabilized α-CsPbI3 Perovskite

Ya-Kun Wang et al.

Summary: The all-inorganic nature of CsPbI3 perovskites enhances stability in perovskite devices. Inorganic ligand exchange leads to CsPbI3 QD films with superior phase stability and increased thermal transport. LEDs with KI-exchanged QD films exhibit increased thermal transport and higher operating stability compared to control devices.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Review Optics

Advances in solution-processed near-infrared light-emitting diodes

Maria Vasilopoulou et al.

Summary: Near-infrared light-emitting diodes fabricated by solution-processed means using organic semiconductors, halide perovskites, and colloidal quantum dots have become a promising technological platform for various applications including biomedical, night vision, surveillance, and optical communications. Despite achieving high external quantum efficiencies exceeding 20%, challenges remain in achieving high radiance, reducing efficiency roll-off, and extending operating lifetime. This review summarizes recent advances in emissive materials synthetic methods and device key attributes contributing to improved performance of the fabricated light-emitting devices.

NATURE PHOTONICS (2021)

Editorial Material Optics

Characterization of stability and challenges to improve lifetime in perovskite LEDs

Seung-Je Woo et al.

Summary: The low stability of perovskite light-emitting diodes (PeLEDs) poses the biggest challenge to the commercialization of PeLED displays. Analyzing and improving the stability of PeLEDs is crucial, and suggestions provided in this paper may enhance the operational lifetime of PeLEDs.

NATURE PHOTONICS (2021)

Article Multidisciplinary Sciences

Mobile ions determine the luminescence yield of perovskite light-emitting diodes under pulsed operation

Naresh Kumar Kumawat et al.

Summary: The response of perovskite light-emitting diodes under pulsed operation in the range of 10 Hz to 20 kHz reveals that the transient electroluminescence intensity at higher frequencies depends strongly on the duty cycle, with a different origin compared to conventional LEDs. The study highlights the significant impact of mobile ionic charges on the performance of PeLEDs under pulsed operation, particularly in terms of transient electroluminescence intensity.

NATURE COMMUNICATIONS (2021)

Article Optics

Triplet management for efficient perovskite light-emitting diodes

Chuanjiang Qin et al.

NATURE PHOTONICS (2020)

Article Chemistry, Multidisciplinary

Dual Passivation of Perovskite Defects for Light-Emitting Diodes with External Quantum Efficiency Exceeding 20%

Zhibin Fang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Low Roll-Off Perovskite Quantum Dot Light-Emitting Diodes Achieved by Augmenting Hole Mobility

Yu Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Multidisciplinary Sciences

The role of photon recycling in perovskite light-emitting diodes

Changsoon Cho et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Multidisciplinary

Thermal Management Enables Bright and Stable Perovskite Light-Emitting Diodes

Lianfeng Zhao et al.

ADVANCED MATERIALS (2020)

Article Chemistry, Multidisciplinary

Stabilizing Perovskite Light-Emitting Diodes by Incorporation of Binary Alkali Cations

Nan Li et al.

ADVANCED MATERIALS (2020)

Article Multidisciplinary Sciences

Establishing charge-transfer excitons in 2D perovskite heterostructures

Jia Zhang et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Multidisciplinary

Photolithographic Patterning of Perovskite Thin Films for Multicolor Display Applications

Chen Zou et al.

NANO LETTERS (2020)

Article Nanoscience & Nanotechnology

Ion Migration-Induced Degradation and Efficiency Roll-off in Quasi-2D Perovskite Light-Emitting Diodes

Tai Cheng et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Review Nanoscience & Nanotechnology

The surface of halide perovskites from nano to bulk

Jingjing Xue et al.

NATURE REVIEWS MATERIALS (2020)

Article Nanoscience & Nanotechnology

Bipolar-shell resurfacing for blue LEDs based on strongly confined perovskite quantum dots

Yitong Dong et al.

NATURE NANOTECHNOLOGY (2020)

Article Multidisciplinary Sciences

Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot

Hobeom Kim et al.

NATURE COMMUNICATIONS (2020)

Article Multidisciplinary Sciences

Stable room-temperature continuous-wave lasing in quasi-2D perovskite films

Chuanjiang Qin et al.

NATURE (2020)

Article Multidisciplinary Sciences

Halide perovskite nanocrystal arrays: Multiplexed synthesis and size-dependent emission

Jingshan S. Du et al.

SCIENCE ADVANCES (2020)

Review Chemistry, Multidisciplinary

Molecular materials as interfacial layers and additives in perovskite solar cells

Maria Vasilopoulou et al.

CHEMICAL SOCIETY REVIEWS (2020)

Article Chemistry, Physical

Thermally Stable Copper(II)-Doped Cesium Lead Halide Perovskite Quantum Dots with Strong Blue Emission

Chenghao Bi et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

Article Chemistry, Physical

Electroluminescence Dynamics in Perovskite Solar Cells Reveals Giant Overshoot Effect

Rokas Gegevicius et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

Article Chemistry, Multidisciplinary

Zn-Alloyed CsPbI3 Nanocrystals for Highly Efficient Perovskite Light-Emitting Devices

Xinyu Shen et al.

NANO LETTERS (2019)

Article Multidisciplinary Sciences

Phase segregation due to ion migration in all-inorganic mixed-halide perovskite nanocrystals

Huichao Zhang et al.

NATURE COMMUNICATIONS (2019)

Review Chemistry, Multidisciplinary

Defect and Contact Passivation for Perovskite Solar Cells

Erkan Aydin et al.

ADVANCED MATERIALS (2019)

Review Chemistry, Multidisciplinary

Perovskites for Next-Generation Optical Sources

Li Na Quan et al.

CHEMICAL REVIEWS (2019)

Article Multidisciplinary Sciences

Spectra stable blue perovskite light-emitting diodes

Yuanzhi Jiang et al.

NATURE COMMUNICATIONS (2019)

Article Nanoscience & Nanotechnology

Mn2+ Doping Enhances the Brightness, Efficiency, and Stability of Bulk Perovskite Light-Emitting Diodes

Mahesh K. Gangishetty et al.

ACS PHOTONICS (2019)

Article Chemistry, Multidisciplinary

Reduced Efficiency Roll-Off and Improved Stability of Mixed 2D/3D Perovskite Light Emitting Diodes by Balancing Charge Injection

Azhar Fakharuddin et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Article Chemistry, Physical

Synthesis and Near-Infrared Emission of Yb-Doped Cs2AgInCl6 Double Perovskite Microcrystals and Nanocrystals

Yogesh Mahor et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2019)

Article Materials Science, Multidisciplinary

Degradation Mechanisms in Organic Lead Halide Perovskite Light-Emitting Diodes

Vittal Prakasam et al.

ADVANCED OPTICAL MATERIALS (2019)

Article Chemistry, Multidisciplinary

Stark Effect and Environment-Induced Modulation of Emission in Single Halide Perovskite Nanocrystals

Dharmendar Kumar Sharma et al.

ACS NANO (2019)

Article Chemistry, Physical

Doping the Smallest Shannon Radii Transition Metal Ion Ni(II) for Stabilizing α-CsPbI3 Perovskite Nanocrystals

Rakesh Kumar Behera et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

Article Multidisciplinary Sciences

Spin-optoelectronic devices based on hybrid organic-inorganic trihalide perovskites

Jingying Wang et al.

NATURE COMMUNICATIONS (2019)

Article Chemistry, Physical

Bright Orange Electroluminescence from Lead-Free Two-Dimensional Perovskites

Xiangtong Zhang et al.

ACS ENERGY LETTERS (2019)

Article Nanoscience & Nanotechnology

Direct Evidence of Ion-Migration-Induced Degradation of Ultrabright Perovskite Light-Emitting Diodes

Hyunho Lee et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Chemistry, Multidisciplinary

Patterning Multicolor Hybrid Perovskite Films via Top-Down Lithography

Jonathon Harwell et al.

ACS NANO (2019)

Article Multidisciplinary Sciences

Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement

Qi Wang et al.

NATURE COMMUNICATIONS (2019)

Article Chemistry, Multidisciplinary

Quantification of ion migration in CH3NH3PbI3 perovskite solar cells by transient capacitance measurements

Moritz H. Futscher et al.

MATERIALS HORIZONS (2019)

Review Chemistry, Multidisciplinary

Perovskite Quantum Dots and Their Application in Light-Emitting Diodes

Hung-Chia Wang et al.

Article Chemistry, Multidisciplinary

Stable Light-Emitting Diodes Using Phase-Pure Ruddlesden-Popper Layered Perovskites

Hsinhan Tsai et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Multidisciplinary

Highly Efficient Spectrally Stable Red Perovskite Light-Emitting Diodes

Yu Tian et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Multidisciplinary

Improving the Stability of Metal Halide Perovskite Materials and Light-Emitting Diodes

Himchan Cho et al.

ADVANCED MATERIALS (2018)

Article Astronomy & Astrophysics

LED lighting efficacy: Status and directions

Paul Morgan Pattison et al.

COMPTES RENDUS PHYSIQUE (2018)

Article Chemistry, Physical

Reduced Efficiency Roll-Off and Enhanced Stability in Perovskite Light-Emitting Diodes with Multiple Quantum Wells

Ming Yang et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

Article Chemistry, Multidisciplinary

Ce3+-Doping to Modulate Photoluminescence Kinetics for Efficient CsPbBr3 Nanocrystals Based Light-Emitting Diodes

Ji-Song Yao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

Article Chemistry, Multidisciplinary

Doping-Enhanced Short-Range Order of Perovskite Nanocrystals for Near-Unity Violet Luminescence Quantum Yield

Zi-Jun Yong et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

Article Multidisciplinary Sciences

Maximizing and stabilizing luminescence from halide perovskites with potassium passivation

Mojtaba Abdi-Jalebi et al.

NATURE (2018)

Article Chemistry, Physical

Electron-phonon interaction in efficient perovskite blue emitters

Xiwen Gong et al.

NATURE MATERIALS (2018)

Review Chemistry, Physical

Genesis, challenges and opportunities for colloidal lead halide perovskite nanocrystals

Quinten A. Akkerman et al.

NATURE MATERIALS (2018)

Article Multidisciplinary Sciences

Minimising efficiency roll-off in high-brightness perovskite light-emitting diodes

Wei Zou et al.

NATURE COMMUNICATIONS (2018)

Article Materials Science, Multidisciplinary

Optical Energy Losses in Organic-Inorganic Hybrid Perovskite Light-Emitting Diodes

Xiao-Bo Shi et al.

ADVANCED OPTICAL MATERIALS (2018)

Article Multidisciplinary Sciences

Electric Bias Induced Degradation in Organic-Inorganic Hybrid Perovskite Light-Emitting Diodes

Bing Xu et al.

SCIENTIFIC REPORTS (2018)

Article Multidisciplinary Sciences

Ultra-Bright Near-Infrared Perovskite Light-Emitting Diodes with Reduced Efficiency Roll-off

Antonella Giuri et al.

SCIENTIFIC REPORTS (2018)

Article Nanoscience & Nanotechnology

Opportunities and Challenges in Perovskite Light-Emitting Devices

Xiaofei Zhao et al.

ACS PHOTONICS (2018)

Article Chemistry, Multidisciplinary

Oriented Quasi-2D Perovskites for High Performance Optoelectronic Devices

Rong Yang et al.

ADVANCED MATERIALS (2018)

Article Multidisciplinary Sciences

Hybrid perovskite light emitting diodes under intense electrical excitation

Hoyeon Kim et al.

NATURE COMMUNICATIONS (2018)

Article Chemistry, Multidisciplinary

Engineering Interfacial Charge Transfer in CsPbBr3 Perovskite Nanocrystals by Heterovalent Doping

Raihana Begum et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

Article Chemistry, Multidisciplinary

Highly Emissive Divalent-Ion-Doped Colloidal CsPb1-xMxBr3 Perovskite Nanocrystals through Cation Exchange

Ward van der Stam et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

Article Chemistry, Multidisciplinary

Stabilizing Cesium Lead Halide Perovskite Lattice through Mn(II) Substitution for Air-Stable Light-Emitting Diodes

Shenghan Zou et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

Review Materials Science, Multidisciplinary

Broadly tunable metal halide perovskites for solid-state light-emission applications

Sampson Adjokatse et al.

MATERIALS TODAY (2017)

Article Chemistry, Multidisciplinary

Tunable Anisotropic Photon Emission from Self-Organized CsPbBr3 Perovskite Nanocrystals

Matthew J. Jurow et al.

NANO LETTERS (2017)

Article Multidisciplinary Sciences

Transcending the slow bimolecular recombination in lead-halide perovskites for electroluminescence

Guichuan Xing et al.

NATURE COMMUNICATIONS (2017)

Article Multidisciplinary Sciences

Aggregation-induced emission in lamellar solids of colloidal perovskite quantum wells

Jakub Jagielski et al.

SCIENCE ADVANCES (2017)

Article Nanoscience & Nanotechnology

High-Work-Function Molybdenum Oxide Hole Extraction Contacts in Hybrid Organic-Inorganic Perovskite Solar Cells

Philip Schulz et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

Article Chemistry, Multidisciplinary

Efficient Visible Quasi-2D Perovskite Light-Emitting Diodes

Jinwoo Byun et al.

ADVANCED MATERIALS (2016)

Article Chemistry, Multidisciplinary

Achieving long-term stable perovskite solar cells via ion neutralization

Hyungcheol Back et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

Article Chemistry, Multidisciplinary

Mn2+-Doped Lead Halide Perovskite Nanocrystals with Dual-Color Emission Controlled by Halide Content

Wenyong Liu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

Article Chemistry, Multidisciplinary

Exciton-to-Dopant Energy Transfer in Mn-Doped Cesium Lead Halide Perovskite Nanocrystals

David Parobek et al.

NANO LETTERS (2016)

Article Multidisciplinary Sciences

Metal halide perovskite light emitters

Young-Hoon Kim et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2016)

Article Multidisciplinary Sciences

Enhancing photoluminescence yields in lead halide perovskites by photon recycling and light out-coupling

Johannes M. Richter et al.

NATURE COMMUNICATIONS (2016)

Article Chemistry, Physical

Influence of mobile ions on the electroluminescence characteristics of methylammonium lead iodide perovskite diodes

Enrico Bandiello et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

Article Chemistry, Physical

Mobile Ions in Organohalide Perovskites: Interplay of Electronic Structure and Dynamics

Edoardo Mosconi et al.

ACS ENERGY LETTERS (2016)

Article Chemistry, Physical

Light-Induced Phase Segregation in Halide-Perovskite Absorbers

Daniel J. Slotcavage et al.

ACS ENERGY LETTERS (2016)

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Origin of unusual bandgap shift and dual emission in organic-inorganic lead halide perovskites

M. Ibrahim Dar et al.

SCIENCE ADVANCES (2016)

Article Nanoscience & Nanotechnology

Research Update: Behind the high efficiency of hybrid perovskite solar cells

Azhar Fakharuddin et al.

APL MATERIALS (2016)

Article Chemistry, Multidisciplinary

Photophysics of Organic-Inorganic Hybrid Lead Iodide Perovskite Single Crystals

Hong-Hua Fang et al.

ADVANCED FUNCTIONAL MATERIALS (2015)

Article Chemistry, Multidisciplinary

Organic-Inorganic Perovskite Light-Emitting Electrochemical Cells with a Large Capacitance

Huimin Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2015)

Article Chemistry, Multidisciplinary

The Significance of Ion Conduction in a Hybrid Organic-Inorganic Lead-Iodide-Based Perovskite Photosensitizer

Tae-Youl Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2015)

Article Chemistry, Multidisciplinary

Defect migration in methylammonium lead iodide and its role in perovskite solar cell operation

Jon M. Azpiroz et al.

ENERGY & ENVIRONMENTAL SCIENCE (2015)

Article Chemistry, Multidisciplinary

Tuning the Optical Properties of Cesium Lead Halide Perovskite Nanocrystals by Anion Exchange Reactions

Quinten A. Akkerman et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

Article Multidisciplinary Sciences

Ionic transport in hybrid lead iodide perovskite solar cells

Christopher Eames et al.

NATURE COMMUNICATIONS (2015)

Article Chemistry, Multidisciplinary

Materials Processing Routes to Trap-Free Halide Perovskites

Andrei Buin et al.

NANO LETTERS (2014)

Article Multidisciplinary Sciences

Solution-processed, high-performance light-emitting diodes based on quantum dots

Xingliang Dai et al.

NATURE (2014)

Article Nanoscience & Nanotechnology

Bright light-emitting diodes based on organometal halide perovskite

Zhi-Kuang Tan et al.

NATURE NANOTECHNOLOGY (2014)

Review Physics, Applied

Efficiency droop in InGaN/GaN blue light-emitting diodes: Physical mechanisms and remedies

Giovanni Verzellesi et al.

JOURNAL OF APPLIED PHYSICS (2013)

Article Chemistry, Multidisciplinary

Operating Modes of Sandwiched Light-Emitting Electrochemical Cells

Martijn Lenes et al.

ADVANCED FUNCTIONAL MATERIALS (2011)