Lead halide perovskite solar cells (PSCs) have shown unprecedented development in
efficiency and progressed relentlessly in improving stability. All the achievements have been …

Because of high efficiencies and low-cost fabrication, perovskite solar cells (PSCs) have
drawn great attention. Although an impressive power conversion efficiency (PCE) of 26.1 …

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 …

Photovoltaic solar cells based on metal-halide perovskites have gained considerable
attention over the past decade because of their potentially low production cost, earth …

Bright and efficient blue emission is key to further development of metal halide perovskite
light-emitting diodes. Although modifying bromide/chloride composition is straightforward to …

Tandem solar cells are the next step in the photovoltaic (PV) evolution due to their higher
power conversion efficiency (PCE) potential than currently dominating, but inherently limited …

Instability in mixed‐halide perovskites (MHPs) is a key issue limiting perovskite solar cells
and light‐emitting diodes (LEDs). One form of instability arises during the processing of MHP …

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 …

The disorderly distribution of defects in the perovskite or at the grain boundaries, surfaces,
and interfaces, which seriously affect carrier transport through the formation of nonradiative …

Wide‐bandgap metal halide perovskites have demonstrated promise in multijunction
photovoltaic (PV) cells. However, photoinduced phase segregation and the resultant low …