Halide perovskites are an intriguing class of materials that have recently attracted
considerable attention for use as the active layer in thin film optoelectronic devices …

Colloidal quantum dot (QD), a solution‐processable nanoscale optoelectronic building block
with well‐controlled light absorption and emission properties, has emerged as a promising …

A perovskite microlaser is potentially valuable for integrated photonics due to its excellent
properties. The artificial microlasers were mostly made on polycrystalline films. Though a …

Here, the first account of self-resonant fully colloidal μ-lasers made from colloidal quantum
well (CQW) solution is reported. A deep patterning technique is developed to fabricate well …

Indium selenide (InSe) has attracted tremendous research interest due to its excellent
optical and electronic properties. The direct bandgap of bulk InSe promises efficient carrier …

Miniaturized laser sources with low threshold power are required for integrated photonic
devices. Photostable core/shell nanocrystals are well suited as gain material and their laser …

Continuous-wave (CW) lasing is still difficult to realize in organic laser dyes, one reason
being the thermal degradation caused by intense photoexcitation. A decrease in laser …

Since their inception, quantum dots have proven to be advantageous for light management
applications due to their high brightness and well‐controlled absorption, scattering, and …

Colloidal quantum dots (CQDs), semiconductor nanocrystals capped with surfactant ligands
and dispersed in solution, have provided a powerful platform for the achievement of …

Owning to merits such as bandgap tunability, solution processability, large absorption
coefficients, and high photoluminescence quantum yields, colloidal quantum dots (CQDs) …