The long-standing popularity of thermoelectric materials has contributed to the creation of
various thermoelectric devices and stimulated the development of strategies to improve their …

The surface of a semiconductor often has a key role in determining its properties. For metal
halide perovskites, understanding the surface features and their impact on the materials and …

Achieving high‐performance perovskite light‐emitting diodes (PeLEDs) with pure‐red
electroluminescence for practical applications remains a critical challenge because of the …

Nanosizing confers unique functions in materials such as graphene and quantum dots.
Here, we present two nanoscale-covalent organic frameworks (nano-COFs) that exhibit …

Colloidal quantum dot (QD) solids are emerging semiconductors that have been actively
explored in fundamental studies of charge transport and for applications in optoelectronics …

Strong optical absorption by a semiconductor is a highly desirable property for many
optoelectronic and photovoltaic applications. The optimal thickness of a semiconductor …

Colloidal quantum dots (QDs) are nanoscale semiconductor crystals with surface ligands
that enable their dispersion in solvents. Quantum confinement effects facilitate wave function …

Light-emitting diodes (LEDs) based on metal halide perovskite quantum dots (QDs) have
achieved impressive external quantum efficiencies; however, the lack of surface protection …

Chemical methods developed over the past two decades enable preparation of colloidal
nanocrystals with uniform size and shape. These Brownian objects readily order into …

An ensemble of emitters can behave very differently from its individual constituents when
they interact coherently via a common light field. After excitation of such an ensemble …