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 …

In this paper, we review recent progress on colloidal growth of 2D nanocrystals. We identify
the four main sources of anisotropy which lead to the formation of plate-and sheet-like …

Two-photon-pumped lasers have been regarded as a promising strategy to achieve
frequency up-conversion for situations where the condition of phase matching required by …

Reducing the size of lasers to microscale dimensions enables new technologies that are
specifically tailored for operation in confined spaces ranging from ultra-high-speed …

Future technologies underpinning multifunctional physical and chemical systems and
compact biological sensors will rely on densely packed transformative and tunable circuitry …

Abstract 2D Ruddlesden–Popper perovskites (RPPs) have aroused growing attention in
light harvesting and emission applications owing to their high environmental stability …

The realization of efficient on‐chip microlasers with scalable fabrication, ultralow threshold,
and stable single‐frequency operation is always desired for a wide range of miniaturized …

Higher order multiphoton-pumped polarized lasers have fundamental technological
importance. Although they can be used to in vivo imaging, their application has yet to be …

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

As an attractive materials system for high-performance optoelectronics, colloidal
nanoplatelets (NPLs) benefit from atomic-level precision in thickness, minimizing emission …