Advances in Perovskite Light-Emitting Diodes (PeLEDs)

The development of perovskite light-emitting diodes (PeLEDs) marks a significant advancement in the field of optoelectronics, offering unique opportunities for highly efficient and tunable light sources. Modern fabrication techniques allow for tailored material compositions, morphologies, ligands, and resulting optoelectronic properties, leading to fine-tuned emission characteristics and higher stability. Consequently, PeLEDs are being intensively investigated for use in areas such as next-generation displays, lighting, and photonic devices. They exhibit high color purity, tunable emission wavelengths, and efficient charge carrier dynamics, making them promising candidates for innovative lighting and display solutions.

This Collection focuses on the engineering advancements in PeLED devices, aiming to address critical challenges and to accelerate their practical implementation in next-generation technologies. Researchers are invited to explore this collection, which showcases state-of-the-art developments and outlines future directions for PeLED device innovation. The scope includes:

• device architectures
• advanced fabrication techniques
• device performance (stability, reliability, emission efficiency, spectral purity)
• strategies to improve charge injection and transport
• including encapsulation methods - thermal management
• applications (displays, solid-state lighting, flexible electronics)
• modelling (degradation mechanisms, device modeling)
• light coupling management
• defect passivation strategies