Issue 9, 2023

Advances in electrically driven light-emitting diodes based on lead-free metal halides

Abstract

The emerging lead halide perovskites show great potential for their use as emitters in electrically driven light-emitting diodes (LEDs) with external quantum efficiency (EQE) over 25%. While the toxicity of lead and inferior device stability are the main obstacles for their commercialization, replacing Pb2+ with low- or non-toxic metal ions to form low- or zero-dimensional structures provides an alternative approach to effectively tackle these issues. Recently, luminescent lead-free metal halides have been increasingly developed toward eco-friendly and highly efficient electroluminescence. In this feature article, we give a brief overview of recent advances in luminescent lead-free metal halides and their applications in electrically driven LEDs. The challenges and prospects in this field are outlined at the end.

Graphical abstract: Advances in electrically driven light-emitting diodes based on lead-free metal halides

Article information

Article type
Feature Article
Submitted
07 Dec. 2022
Accepted
03 Janv. 2023
First published
04 Janv. 2023

Chem. Commun., 2023,59, 1116-1124

Advances in electrically driven light-emitting diodes based on lead-free metal halides

S. Xue, J. Yao, L. Xu and Z. Chen, Chem. Commun., 2023, 59, 1116 DOI: 10.1039/D2CC06680G

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