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

Abstract Current‐density–voltage (J–V) hysteresis in perovskite solar cells (PSCs) is a
critical issue because it is related to power conversion efficiency and stability. Although …

Solar cells based on metal halide perovskites are one of the most promising photovoltaic
technologies,,–. Over the past few years, the long-term operational stability of such devices …

We study recombination pathways in halide perovskite solar cells using a semiconductor
device model that includes iodide diffusion and iodide reactions. We stress the device at a …

Due to the excellent optoelectronic properties, organic–inorganic perovskites have drawn
much attention and have been applied in different electronics with remarkable performance …

An efficient electron transport layer (ETL) plays a key role in promoting carrier separation
and electron extraction in planar perovskite solar cells (PSCs). An effective composite ETL is …

Investigation of the inherent field-driven charge transport behaviour of three-dimensional
lead halide perovskites has largely remained challenging, owing to undesirable ionic …

In this study, we discuss the underlying mechanism of the current–voltage hysteresis in a
hybrid lead-halide perovskite solar cell. We have developed a method based on Kelvin …

Metal-halide perovskites, exhibiting exceptional optoelectronic properties, have emerged as
a highly promising class of semiconductors for diverse applications. However, the inherent …

Abstract Narrow‐bandgap (NBG) tin (Sn)–lead (Pb) perovskites generally have a high
density of unintentional p‐type self‐do**, which reduces the charge‐carrier lifetimes …