Wide‐bandgap (WBG) perovskite solar cells (PSCs) are acknowledged as promising
candidates for multijunction tandem and building photovoltaics, which attract broad research …

Abstract 2D perovskites have received great attention recently due to their structural
tunability and environmental stability, making them highly promising candidates for various …

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 …

Dual‐interface modulation including buried interface as well as the top surface has recently
been proven to be crucial for obtaining high photovoltaic performance in lead halide …

Halogen substitution has been proven as an effective approach to the band gap engineering
and optoelectronic modulation of organic–inorganic hybrid metal halide (OIHMH) materials …

Mixed‐halide perovskites are considered the most straightforward candidate to realize blue
perovskite light‐emitting diodes (PeLEDs). However, they suffer severe halide migration …

Bandgap‐tunable mixed‐halide perovskite materials have attracted considerable interest
because of their indispensability as top counterparts in tandem solar cells. However, the soft …

Flexible perovskite solar cells (f‐PSCs) as a promising power source have grabbed surging
attention from academia and industry specialists by integrating with different wearable and …

Metal halide perovskites are promising for optoelectronic device applications; however, their
poor stability under solar illumination remains a primary concern. While the intrinsic …

Abstract Two-dimensional (2D) alternating cation (ACI) perovskite surface defects,
especially dominant iodine vacancies (VI) and undercoordinated Pb 2+, limit the …