Ionizing radiation such as X-rays and γ-rays has been extensively studied and used in
various fields such as medical imaging, radiographic nondestructive testing, nuclear …

Impedance spectroscopy (IS) provides a detailed understanding of the dynamic phenomena
underlying the operation of photovoltaic and optoelectronic devices. Here we provide a …

Contact engineering is a prerequisite for achieving desirable functionality and performance
of semiconductor electronics, which is particularly critical for organic–inorganic hybrid halide …

Recently, organometal halide perovskites (OHPs) have achieved significant advancement in
photovoltaics, light-emitting diodes, X-ray detectors, and transistors. However …

Photovoltaic devices based on metal hybrid perovskite materials have been extensively
explored in recent years for the exceptional power-conversion efficiency and the potential …

In addition to the broadly anticipated use of metal halide perovskites in photovoltaics and
light-emitting devices, they also hold a great promise as cost-effective thermoelectrics, as …

The past decade has witnessed a rapid rise in the performance of optoelectronic devices
based on lead‐halide perovskites (LHPs). The large mobility‐lifetime products and defect …

The operation of halide perovskite optoelectronic devices, including solar cells and LEDs, is
strongly influenced by the mobility of ions comprising the crystal structure. This peculiarity is …

Ion migration, one origin of current–voltage hysteresis, is the bane of halide perovskite
optoelectronics. Herein, we leverage this unwelcome trait to unlock new opportunities for …

Three-dimensional/two-dimensional (3D/2D) heterojunctions in perovskite solar cells exhibit
excellent optoelectronic properties and enhanced stability under mild ageing conditions …