BACKGROUND Semiconductor materials feature optical and electronic properties that can
be engineered through their composition and crystal structure. The use of semiconductors …

The field of colloidal synthesis of semiconductors emerged 40 years ago and has reached a
certain level of maturity thanks to the use of nanocrystals as phosphors in commercial …

Semiconductor nanocrystals represent a promising class of solution-processable optical-
gain media that can be manipulated via inexpensive, easily scalable colloidal techniques …

Lasers and optical amplifiers based on solution-processable materials have been long-
desired devices for their compatibility with virtually any substrate, scalability, and ease of …

Strongly confined colloidal quantum dots have been investigated for low-cost light emission
and lasing for nearly two decades. However, known materials struggle to combine …

The last decade has witnessed extensive breakthroughs and significant progress in
atomically flat two-dimensional (2D) semiconductor nanoplatelets (NPLs) in terms of …

Thin-film organic, colloidal quantum dot, and metal halide perovskite semiconductors are all
being pursued in the quest for a wavelength-tunable diode laser technology that does not …

Colloidal quantum wells (CQWs) are regarded as a highly promising class of optoelectronic
materials, thanks to their unique excitonic characteristics of high extinction coefficients and …

Compared with zero‐dimensional quantum dots and one‐dimensional nanorods, two‐
dimensional nanoplatelets exhibit many unique optical properties. Due to strong quantum …

Colloidal semiconductor nanoplatelets exhibit strong quantum confinement for electrons and
holes as well as excitons in one dimension, while their in-plane motion is free. Because of …