Metal-halide perovskites have rapidly emerged as one of the most promising materials of the
21st century, with many exciting properties and great potential for a broad range of …

In this work, the authors realize stable and highly efficient wide‐bandgap perovskite solar
cells that promise high power conversion efficiencies (PCE) and are likely to play a key role …

Defects on perovskite surfaces acting as charge-carrier-traps are a key factor limiting the
performance of perovskite solar cells (PSCs). Here we studied the defect passivation effect …

The last 5 years have witnessed rapid progress in the field of hybrid nanostructures toward
enhanced optical and electronic properties. On this topic, we focus on the relevant progress …

Precise tuning of the bandgap of lead halide perovskites by the postsynthetic anion
exchange reaction has been considered as one of the best methods to customize their …

Two-dimensional (2D) CsPb2Br5 exhibits intriguing functions in enhancing the performance
of optoelectronic devices in terms of environmental stability and luminescence properties …

The interfaces between perovskite and charge transport layers greatly impact the device
efficiency and stability of perovskite solar cells (PSCs). Inserting an ultrathin wide-band-gap …

By combining femtosecond transient reflectance (TR) spectroscopy and density functional
theory (DFT) calculations, we reveal the impact of the length of the organic linkers …

The transition from 3D to 2D lead halide perovskites is traditionally led by the lattice
incorporation of bulky organic cations. However, the transformation into a coveted 2D …

α-FAPbI3-based perovskite solar cells have recently attracted increasing attention as a
result of an ideal bandgap and longer exciton lifetime of FAPbI3 compared to perovskites …