It has always been a goal to realize high efficiency and broadband emission in single‐
component materials. The appearance of metal halide perovskites makes it possible. Their …

Abstract Replacing methylammonium (MA+), formamidine (FA+), and/or cesium (Cs+) in 3D
metal halide perovskites by larger organic cations have built a series of low‐dimensional …

High‐performance X‐ray scintillators with low detection limits and high light yield are of
great importance and are a challenge for low‐dose X‐ray imaging in medical diagnosis and …

Metal halide perovskites have drawn tremendous attention in optoelectronic applications
owing to the rapid development in photovoltaic and light‐emitting diode devices. More …

Layered halide perovskites offer a versatile platform for manipulating light through synthetic
design. Although most layered perovskites absorb strongly in the ultraviolet (UV) or near-UV …

Hybrid halide perovskites are now superstar materials leading the field of low-cost thin film
photovoltaics technologies. Following the surge for more efficient and stable 3D bulk alloys …

The unprecedented increase of the power conversion efficiency of metal‐halide perovskite
solar cells has significantly outpaced the understanding of their fundamental properties. One …

Conspectus With nearly 20% of global electricity consumed by lighting, more efficient
illumination sources can enable massive energy savings. However, effectively creating the …

The high‐profile candidacy of low‐dimensional metal‐halide single crystals as promising
light emitters originates from the intriguing emission properties (eg, extremely broad …

Conventional 3D organic–inorganic halide perovskites have recently undergone
unprecedented rapid development. Yet, their inherent instabilities over moisture, light, and …