The A cation in ABX3 organic-inorganic lead halide perovskites (OLHPs) was conventionally
believed to hardly affect their optoelectronic properties. However, more recent developments …

Metal halide perovskites combine excellent electronic and optical properties, such as defect
tolerance and high photoluminescence efficiency, with the benefits of low‐cost, large‐area …

Cations with suitable sizes to occupy an interstitial site of perovskite crystals have been
widely used to inhibit ion migration and promote the performance and stability of perovskite …

Stabilizing high-efficiency perovskite solar cells (PSCs) at operating conditions remains an
unresolved issue hampering its large-scale commercial deployment. Here, we report a star …

Commercialization is widely believed to be achievable for metal halide perovskite solar cells
with high efficiency and low fabrication cost. However, stability remains a key obstacle for …

Because of high efficiencies and low-cost fabrication, perovskite solar cells (PSCs) have
drawn great attention. Although an impressive power conversion efficiency (PCE) of 26 …

Electrical do** (that is, intentional engineering of carrier density) underlies most energy-
related and optoelectronic semiconductor technologies. However, for the intensely studied …

Perovskite solar cells (PSCs) have reached a certified 25.2% efficiency in 2019 due to their
high absorption coefficient, high carrier mobility, long diffusion length, and tunable direct …

Defects play an important role in the degradation processes of hybrid halide perovskite
absorbers, impeding their application for solar cells. Among all defects, halide anion and …

Perovskite-based tandem solar cells have attracted increasing interest because of its great
potential to surpass the Shockley–Queisser limit set for single-junction solar cells. In the …