Metal halide perovskites have drawn tremendous attention in optoelectronic applications
owing to the rapid development in photovoltaic and light‐emitting diode devices. More …

Metal halide perovskites have shown rapid development in various fields such as
photovoltaics, photodetectors, light-emitting diodes (LEDs), and optically pumped lasers …

The vertically ordered (small-to-large n) quasi-2D perovskite films serve as common
approaches to facilitate directional charge transfer. Here, we report a different strategy of …

Hierarchical assemblies of functional nanoparticles can have applications exceeding those
of individual constituents. Arranging components in a certain order, even at the atomic scale …

Quasi-2D metal halide perovskites are promising candidates for light-emitting applications
owing to their large exciton binding energy and strong quantum confinement effect. Usually …

The threshold carrier density, conventionally evaluated from optical pum**, is a key
reference parameter towards electrically pumped lasers with the widely acknowledged …

Perovskite nanocrystals (PNCs) with unique and excellent optical properties have emerged
as appealing luminescent materials in optoelectronic fields. However, high temperature …

Charge‐transport layers are essential for achieving electrically pumped perovskite lasers.
However, their role in perovskite lasing is not fully understood. Here, the role of charge …

An ultrapure green phosphor with narrow emission range (525–535 nm) and full width at
half maximum (FWHM< 25 nm) is critical for a backlit light-emitting diode to realize an …

Polarization emission from halide perovskite is expected to bring a lot of benefits for next‐
generation displays, such as cost down, wide color gamut, and structure simplification. In …