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

Since the inception of the unprecedented rise of halide perovskites for photovoltaic
research, ion migration has shadowed this material class with undesirable hysteresis and …

Having gained prominence in the design of high-efficiency solar cells, metal halide
perovskites have taken center stage in photocatalysis. Despite the demonstrations of …

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 …

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 …

Contact engineering is a prerequisite for achieving desirable functionality and performance
of semiconductor electronics, which is particularly critical for organic–inorganic hybrid halide …

Conspectus The optical and electronic properties of metal halide perovskites provide insight
into the operation of solar cells as well as their long-term operational stability. Halide …

Photo‐induced halide segregation in wide‐bandgap (WBG) perovskite leads to poor stability
and limits its application in high‐efficiency tandem solar cells. Here, a simple solution …

Abstract 2D lead halide perovskites, which exhibit bandgap tunability and increased
chemical stability, have been found to be useful for designing optoelectronic devices …

Physical Chemistry of Ionic Materials Discover the physical chemistry of charge carriers in
the second edition of this popular textbook Ionic and electronic charge carriers are critical to …