Perovskite Light‐Emitting Devices – Fundamentals and Working Principles

Sessolo, Michele; La‐Placa, Maria‐Grazia; Martínez‐Sarti, Laura; Bolink, Henk J.

doi:10.1002/9783527800766.ch3_01

Halide Perovskites 2018

DOI: 10.1002/9783527800766.ch3_01

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Perovskite Light‐Emitting Devices – Fundamentals and Working Principles

Michele Sessolo

Maria‐Grazia La‐Placa

Laura Martínez‐Sarti

et al.

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2024

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Cited by 2 publications

References 104 publications

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Light‐Emitting Perovskite Solar Cells: Genesis to Recent Drifts

Shah,

Sayyad,

Guo

2024

Solar RRL

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Perovskite, a star material with extraordinary opto‐electronic properties has shown promising results in both perovskite solar cells (PSCs) and perovskite light‐emitting diodes (PeLEDs). Taking advantage of the similar configuration of PSCs and PeLEDs, next generation devices with dual functionality of light‐harvesting and light‐emission can be realized. Such devices hold enormous application prospects. However, the necessary tradeoff resulted from the opposite working principles required for each mode of operation and challenges such as non‐radiative recombination loss resulted from bulk and surface defects in perovskite films and mismatched energy levels have hindered mass production. To provide a roadmap for rationally designing efficient light emitting perovskite solar cells (LEPSCs), a comprehensive review focusing on operating principle, device architecture, recent developments and limitations is required. We begin with a brief overview of the basic principles underlying the working mechanism of LEPSCs such as photon to electricity conversion and viceversa. The focus of this review then shift towards deligently combining and overviewing the important breakthroughs reported in this newly developed field such as morphology optimization, defect passivation, interface engineering, energy level alignment and dimensional control. Finally, this work concludes with discussing future challenges and providing a roadmap for rational design of efficient and stable LEPSCs.

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Light‐Emitting Perovskite Solar Cells: Genesis to Recent Drifts

Shah,

Sayyad,

Guo

2024

Solar RRL

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Potential and perspectives of halide perovskites in light emitting devices

Lê,

Heshmati,

Mathur

2023

Nano Convergence

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Light emitting diodes (LEDs) have become part of numerous electrical and electronic systems such as lighting, displays, status indicator lamps and wearable electronics. Owing to their excellent optoelectronic properties and deposition via simple solution process, metal halide perovskites possess unique potential for developing halide perovskite-based LEDs (PeLEDs) with superior photoluminescence efficiencies leading to external quantum efficiencies beyond 20% for PeLEDS. However, the limited durability, high operative voltages, and challenges of scale-up are persisting barriers in achieving required technology readiness levels. To build up the existing knowledge and raise the device performance this review provides a state-of-the-art study on the properties, film and device fabrication, efficiency, and stability of PeLEDs. In terms of commercialization, PeLEDs need to overcome materials and device challenges including stability, ion migration, phase segregation, and joule heating, which are discussed in this review. We hope, discussions about the strategies to overcome the stability issues and enhancement the materials intrinsic properties towards development more stable and efficient optoelectronic devices can pave the way for scalability and cost-effective production of PeLEDs. Graphical Abstract

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Perovskite Light‐Emitting Devices – Fundamentals and Working Principles

Cited by 2 publications

References 104 publications

Light‐Emitting Perovskite Solar Cells: Genesis to Recent Drifts

Light‐Emitting Perovskite Solar Cells: Genesis to Recent Drifts

Potential and perspectives of halide perovskites in light emitting devices

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