Surfaces and heterojunction interfaces, where defects and energy levels dictate charge‐
carrier dynamics in optoelectronic devices, are critical for unlocking the full potential of …

The excellent photoluminescence quantum yield (PLQY), adjustable bandgap, affordability
with facile solution processing, perovskite materials make them highly promising for …

Defects play a pivotal role in the physical and chemical properties of semiconductor
materials. Regulation of the type, distribution, and quantity of defects within the crystal allows …

Owing to the enlarged exciton binding energy and the ability to confine charge carriers
compared to their three-dimensional (3D) counterparts, research on quasi-two-dimensional …

For metal halide perovskite (MHP)‐based light‐emitting diodes (PeLEDs), effective radiative
recombination of the injected holes and electrons within the MHP layer and minimized …

Perovskite light-emitting diodes (PeLEDs) have attracted great attention in recent years;
however, the halogen vacancy defects in perovskite notably hamper the development of …

Abstract Quasi-two-dimensional (quasi-2D) perovskites show high potential for perovskite
LEDs (PeLEDs) due to a bit larger exciton binding energy and favorable energy transfer as a …

Recent years have witnessed marked progress in the electroluminescence efficiency of
perovskite‐based light emitting diodes (PeLEDs). Nevertheless, the majority of highly …

Abstract Hole‐transport‐layer‐free (HTL‐free) perovskite light‐emitting diodes (PeLEDs) are
attracting increasing research attention because of their simplified device structure, fast …

Besides the flourishment in photovoltaics, halide perovskites hold great promise to compete
with leading contenders among solution-processed emitters, such as organics and …