Interest in photovoltaics (PVs) based on Earth-abundant halide perovskites has increased
markedly in recent years owing to the remarkable properties of these materials and their …

Impedance spectroscopy (IS) is an effective characterization technique used to probe and
distinguish charge dynamics occurring at different timescales in optoelectronic and electric …

Space-charge-limited current (SCLC) measurements have been widely used to study the
charge carrier mobility and trap density in semiconductors. However, their applicability to …

Metal halide perovskites are the first solution processed semiconductors that can compete in
their functionality with conventional semiconductors, such as silicon. Over the past several …

In recent years, organic‐inorganic halide perovskites are now emerging as the most
attractive alternatives for next‐generation photovoltaic devices, due to their excellent …

Halide perovskites display full solid solubility for Br: I and Cl: Br compositions at equilibrium,
yet initially homogeneous distributions often partition into Br-and I-rich (Cl-and Br-) regions …

Although post-treatment has been regarded as one of the effective ways to passivate the
underlying defects in perovskite solar cells (PSCs), little attention has been paid to how to …

A variety of defects exist on the crystalline surfaces of solution-processed polycrystalline
perovskites, resulting in photovoltaic output losses and subsequent degradations. It is …

Photovoltaic devices based on metal hybrid perovskite materials have been extensively
explored in recent years for the exceptional power-conversion efficiency and the potential …

The poor operational stability of perovskite light-emitting diodes (PeLEDs) remains a major
obstacle to their commercial application. Achieving high brightness and quantum efficiency …