The organic–inorganic lead halide per materials have emerged as highly promising
contenders in the field of photovoltaic technology, offering exceptional efficiency and cost …

Modifying the exposed upper surface of perovskite solar cells (PSCs) has greatly contributed
to improving their photovoltaic performance. The equally important buried interface (that is …

The defective bottom interfaces of perovskites and hole-transport layers (HTLs) limit the
performance of pin structure perovskite solar cells. We report that the addition of lead …

Abstract Phenethylammonium (PEA+) and butylammonium (BA+) are widely used in three-
dimensional (3D) perovskites to form two-dimensional perovskites at film surfaces and grain …

High‐performance tin‐lead perovskite solar cells (PSCs) are needed for all‐perovskite‐
tandem solar cells. However, iodide related fast photodegradation severely limits the …

Single-molecule technology stands as a powerful tool, enabling the characterization of
intricate structural and dynamic information that would otherwise remain concealed within …

Defects in perovskite films are still the dominant destroyer of both power conversion
efficiency (PCE) and long‐term stability in perovskite solar cells (PSCs). As the most popular …

The interface between the perovskite layer and electron transporting layer is a critical
determinate for the performance and stability of perovskite solar cells (PSCs). The …

Metal halide perovskites are promising as next‐generation photovoltaic materials, but
stability issues are still a huge obstacle to their commercialization. Here, the formation and …

The surface of individual grains of metal halide perovskite films can determine the properties
of heterointerfaces at the microscale and the performance of the resultant solar cells …