Halide perovskites (HPs) are potential game-changing materials for a broad spectrum of
optoelectronic applications ranging from photovoltaics, light-emitting devices, lasers to …

The Urbach energy is an expression of the static and dynamic disorder in a semiconductor
and is directly accessible via optical characterization techniques. The strength of this metric …

Metal halide perovskite solar cells are expected to lead the revolution in photovoltaics.
However, due to their soft and ionic lattice, perovskites are sensitive to external stimuli, and …

Organometal halide perovskite solar cells have evolved in an exponential manner in the two
key areas of efficiency and stability. The power conversion efficiency (PCE) reached 20.1 …

Halide perovskites exhibit unique slow hot-carrier cooling properties capable of unlocking
disruptive perovskite photon–electron conversion technologies (eg, high-efficiency hot …

The performance and stability of organic–inorganic hybrid perovskite solar cells (PSCs) is
sensitive to water and moisture in an ambient environment. Understanding how H2O …

To gain insight into the properties of photovoltaic and light-emitting materials, detailed
information about their optical absorption spectra is essential. Here, we elucidate the …

This work provides a thorough overview of state of the art of stability of perovskite solar cells
(PSCs) and covers important degradation issues involved in this technology. Degradation …

The hot-phonon bottleneck effect in lead-halide perovskites (APbX3) prolongs the cooling
period of hot charge carriers, an effect that could be used in the next-generation …

The hybrid halide perovskite CH 3 NH 3 PbI 3 exhibits a complex structural behavior, with
successive transitions between orthorhombic, tetragonal, and cubic polymorphs around 165 …