Two-dimensional (2D) perovskites have attracted considerable interest for their promising
applications for solar cells and other optoelectronics, such as light-emitting diodes …

The surface of a semiconductor often has a key role in determining its properties. For metal
halide perovskites, understanding the surface features and their impact on the materials and …

The energy landscape of reduced-dimensional perovskites (RDPs) can be tailored by
adjusting their layer width (n). Recently, two/three-dimensional (2D/3D) heterostructures …

Despite remarkable progress, the performance of lead halide perovskite solar cells
fabricated in an inverted structure lags behind that of standard architecture devices. Here …

Highly efficient halide perovskite solar cells generally rely on lithium-doped organic hole
transporting layers that are thermally and chemically unstable, in part because of migration …

Perovskite solar cells (PSCs) are considered as a promising photovoltaic technology due to
their high efficiency and low cost. However, their long‐term stability, mechanical durability …

The reduction of defect density in perovskite solar cells (PSCs) is the key to suppress the
nonradiative recombination, which is critical to achieve high device efficiency. The buried …

Insufficient charge extraction at the interfaces between light‐absorbing perovskites and
charge transporting layers is one of the drawbacks of state‐of‐the‐art perovskite solar cells …

In recent years, perovskite/silicon tandem solar cells (PK/c‐Si tandem) have demonstrated
high power conversion efficiency (PCE) and demonstrated great application potential in …

Recent research shows that the interface state in perovskite solar cells is the main factor
which affects the stability and performance of the device, and interface engineering …