The brightness of an emitter is ultimately described by Fermi's golden rule, with a radiative
rate proportional to its oscillator strength times the local density of photonic states. As the …

The relaxation of the above-gap (“hot”) carriers in lead halide perovskites (LHPs) is
important for applications in photovoltaics and offers insights into carrier–carrier and carrier …

Solution-processed semiconductors are in demand for present and next-generation
optoelectronic technologies ranging from displays to quantum light sources because of their …

Semiconductor nanoplatelets (NPLs), with their large exciton binding energy, narrow
photoluminescence (PL), and absence of dielectric screening for photons emitted normal to …

Quantum confined lead halide perovskite nanoplatelets are anisotropic materials displaying
strongly bound excitons with spectrally pure photoluminescence. We report the controlled …

This work highlights the significance of dielectric confinements and exciton binding energy
of hybrid layered perovskites (LPs) in controlling the carrier relaxation dynamics of LPs for …

Organic–inorganic low-dimensional layered metal–halide perovskites are semiconductors in
which the optoelectronic properties can be tuned by the material composition and the design …

Currently, there is a great demand for non‐toxic lead‐free halide perovskites as active
materials for solar cells, light‐emitting diodes and other optoelectronic devices. Although an …

The engineering of tunable photoluminescence (PL) in single materials with a full‐spectrum
emission represents a highly coveted objective but poses a formidable challenge. In this …

The optimized exploitation of perovskite nanocrystals and nanoplatelets as highly efficient
light sources requires a detailed understanding of the energy spacing within the exciton …