Impedance spectroscopy (IS) provides a detailed understanding of the dynamic phenomena
underlying the operation of photovoltaic and optoelectronic devices. Here we provide a …

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

Cesium lead triiodide (CsPbI 3) presents a desirable band gap, does not require the use of
mixed halides for Si tandem solar cells, and possesses relatively high thermal stability owing …

Perovskite solar cells (PSCs) have reached a certified 25.2% efficiency in 2019 due to their
high absorption coefficient, high carrier mobility, long diffusion length, and tunable direct …

Wide–band gap metal halide perovskites are promising semiconductors to pair with silicon
in tandem solar cells to pursue the goal of achieving power conversion efficiency (PCE) …

The controllable growth of CsPbI3 perovskite thin films with desired crystal phase and
morphology is crucial for the development of high efficiency inorganic perovskite solar cells …

In general, mixed cations and anions containing formamidinium (FA), methylammonium
(MA), caesium, iodine, and bromine ions are used to stabilize the black α-phase of the FA …

Metal halide perovskite based tandem solar cells are promising to achieve power
conversion efficiency beyond the theoretical limit of their single‐junction counterparts …

Over the last several years, inorganic–organic hybrid perovskites have shown dramatic
achievements in photovoltaic performance and device stability. Despite the significant …

Perovskite materials use earth-abundant elements, have low formation energies for
deposition and are compatible with roll-to-roll and other high-volume manufacturing …