Perovskite solar cells (PSCs) have made incredibly fast progress in the past years, with the
efficiency approaching 26%, which is comparable to those of the best silicon solar cells. One …

In the last decade, perovskite solar cells (PSCs) have undergone unprecedented rapid
development and become a promising candidate for a new‐generation solar cell. Among …

The photovoltaics of organic–inorganic lead halide perovskite materials have shown rapid
improvements in solar cell performance, surpassing the top efficiency of semiconductor …

It is widely believed that excess/residual lead iodide (PbI2) can affect the performance of
perovskite solar cells. Moderate PbI2 can enhance efficiency by passivating defects, while …

In general, mixed cations and anions containing formamidinium (FA), methylammonium
(MA), caesium, iodine, and bromine ions are used to stabilize the black α-phase of the FA …

The power conversion efficiency of organic–inorganic hybrid perovskite solar cells (PSCs)
has been boosted to be comparable with that of commercial silicon solar cells. Although the …

Photocatalytic water splitting is the environmentally benign artificial photosynthetic pathway
to dissociate water into hydrogen and oxygen. It provides a great platform for bridging the …

Formamidinium lead triiodide (FAPbI3) is attractive for photovoltaic devices due to its optimal
bandgap at around 1.45 eV and improved thermal stability compared with methylammonium …

Metal‐halide perovskites have drawn profuse attention during the past decade, owing to
their excellent electrical and optical properties, facile synthesis, efficient energy conversion …

Single crystals represent a benchmark for understanding the bulk properties of halide
perovskites. We have indeed studied the dielectric function of lead bromide perovskite …