It has always been a goal to realize high efficiency and broadband emission in single‐
component materials. The appearance of metal halide perovskites makes it possible. Their …

The outstanding chemical and physical properties of 2D materials, together with their
atomically thin nature, make them ideal candidates for metaphotonic device integration and …

Optically inactive dark exciton states play an important role in light emission processes in
semiconductors because they provide an efficient nonradiative recombination channel …

Movement of energy within light-harvesting assemblies is typically carried out with
separately synthesized donor and acceptor species, which are then brought together to …

The use of layered, 2D perovskites can improve the stability of metal halide perovskite thin
films and devices. However, the charge carrier transport properties in layered perovskites …

Two-dimensional (2D) perovskites assembled with hydrophobic bulky organic cations
demonstrate much enhanced ambient stability and anisotropic carrier transport, making their …

As the field of 2D halide perovskites (HPs) matures, state-of-the-art techniques to measure
important properties, such as the band gap (E g) and exciton binding energy (E b), continue …

Applications of two-dimensional (2D) perovskites have significantly outpaced the
understanding of many fundamental aspects of their photophysics. The optical response of …

Red emitting fluorescent carbon nanomaterials have drawn significant scientific interest in
recent years due to their high quantum yield, water-dispersibility, photostability …

The use of two-dimensional (2D) materials in next-generation technologies is often limited
by small lateral size and/or crystal defects. Here, we introduce a simple chemical strategy to …