Metal halide perovskites have shown promising optoelectronic properties suitable for light-
emitting applications. The development of perovskite light-emitting diodes (PeLEDs) has …

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 …

In the same way as electron transport is crucial for information technology, ion transport is a
key phenomenon in the context of energy research. To be able to tune ion conduction by …

Metal halide perovskites (MHPs) have numerous advantages as light emitters such as high
photoluminescence quantum efficiency with a direct bandgap, very narrow emission …

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 …

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

Ion migration in halide perovskite films leads to device degradation and impedes large scale
commercial applications. We use transient ion-drift measurements to quantify activation …