With rapid progress in a power conversion efficiency (PCE) to reach 25%, metal halide
perovskite-based solar cells became a game-changer in a photovoltaic performance race …

There is currently substantial interest in commercializing perovskite solar cells as they offer
superior properties over silicon-based solar cells, such as ability for bandgap tuning, higher …

Grain boundaries (GBs) play an important role in most polycrystalline solar cells. In
perovskite solar cells, the research community is just starting to understand their effects on …

Understanding carrier recombination processes in metal halide perovskites is fundamentally
important to further improving the efficiency of perovskite solar cells, yet the accurate …

Metal halide perovskites (MHPs) have recently attracted great attention from the scientific
community due to their excellent photovoltaic performance as well as their tremendous …

We use ultrasensitive electron backscatter diffraction (EBSD) to map the local crystal
orientations, grains, and grain boundaries in CH 3 NH 3 PbI 3 (MAPI) perovskite thin films …

Metal–organic frameworks (MOFs) are a class of materials which exhibit permanent porosity,
high surface area, and crystallinity. As a highly tunable middle ground between …

Polycrystalline optoelectronic materials are widely used for photoelectric signal conversion
and energy harvesting and play an irreplaceable role in the semiconductor field. As an …

Deep defects often act as Shockley–Read–Hall recombination centers in semiconductor
materials, degrading the photoelectric performance and long‐term stability of assembled …

Ultrafast optical microscopy, generally employed by incorporating ultrafast laser pulses into
microscopes, can provide spatially resolved mechanistic insight into scientific problems …