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 …

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 …

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

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 …

Abstract 2D materials are considered for applications that require strong light-matter
interaction because of the apparently giant oscillator strength of the exciton transitions in the …

Multiply excited states in semiconductor quantum dots feature intriguing physics and play a
crucial role in nanocrystal-based technologies. While photoluminescence provides a natural …

The typical synthesis protocol for blue-emitting CdSe nanoplatelets (NPLs) yields particles
with extended lateral dimensions and large surface areas, resulting in NPLs with poor …

Trap states can strongly affect semiconductor nanocrystals, by quenching, delaying, and
spectrally shifting the photoluminescence (PL). Trap states have proven elusive and difficult …

Colloidal semiconductor nanocrystals offer bandgap tunability, high photoluminescence
quantum yield, and colloidal processing of benefit to optoelectronics, however rapid …

Colloidal nanoplatelets (NPLs) are promising materials for lasing applications. The
properties are usually discussed in the framework of 2D materials, where strong excitonic …