The deposition of large ammonium cations onto perovskite surfaces to passivate defects and
reduce contact recombination has enabled exceptional efficiency and stability in perovskite …

Abstract 3D perovskite solar cells (PSCs) have shown great promise for use in next‐
generation photovoltaic devices. However, some challenges need to be addressed before …

X-Ray photoelectron spectroscopy is a powerful tool for identifying the interactions of
additives or surface treatments with components in lead halide perovskites. However, with …

Metal halide perovskite solar cells (PSCs) have witnessed a swift increase in power
conversion efficiency in the past decade, emerging as one of the most promising next …

Wide‐bandgap (WBG) perovskite solar cells (PSCs) suffer from severe voltage loss, which
significantly limits the enhancement of photovoltaic performance. Here, 4‐fluoro …

Passivating undercoordinated ions is an effective way to reduce the defect densities at the
surface and grain boundaries (GBs) of perovskite materials for enhanced photovoltaic …

Constructing 2D/3D perovskite heterojunctions is effective for the surface passivation of
perovskite solar cells (PSCs). However, previous reports that studying perovskite post …

Metal halide perovskite single crystals are promising for diverse optoelectronic applications
due to their outstanding properties. In comparison to the bulk, the crystal surface suffers from …

Defects in perovskite films and the suboptimal interface contact largely limit the performance
and stability of inverted perovskite solar cells (PSCs). A simple surface post‐treatment with N …

Solar cells based on a three-dimensional (3D) crystalline perovskite framework exhibit
desired photoconversion efficiency. However, 3D perovskites are prone to surface defects …