The recent re‐emergence of halide perovskites has received escalating interest for
optoelectronic applications. In addition to photovoltaics, the multifunctional nature of halide …

Over the last several years, there has been tremendous progress in the development of
nanoscale halide perovskite materials and devices that possess a wide range of band gaps …

Efficient charge‐carrier transport is critical to the success of emergent semiconductors in
photovoltaic applications. So far, disorder has been considered detrimental for charge …

Hybrid organic–inorganic perovskites emerged as a new generation of absorber materials
for high-efficiency low-cost solar cells in 2009. Very recently, fully inorganic perovskite …

Perovskite photovoltaic cells have seen a remarkable rise in power conversion efficiencies
over a period of only a few years. Much of this performance is underpinned by the favorable …

Lead halide perovskites have been demonstrated as high performance materials in solar
cells and light-emitting devices. These materials are characterized by coherent band …

The development of halide perovskite semiconductors led to various technological
breakthroughs in optoelectronics, in particular in the areas of photovoltaics and light-emitting …

The lattice vibrations (phonon modes) of crystals underpin a large number of material
properties. The harmonic phonon spectrum of a solid is the simplest description of its …

In metal halide perovskites, the complex dielectric screening together with low energy of
phonon modes leads to non-negligible Fröhlich coupling. While this feature of perovskites …

Halide perovskite semiconductors and solar cells respond to electric fields in a way that
varies across time and length scales. We discuss the microscopic processes that give rise to …