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

The performance and stability of metal halide perovskite solar cells strongly depend on
precursor materials and deposition methods adopted during the perovskite layer …

Optoelectronic devices consist of heterointerfaces formed between dissimilar
semiconducting materials. The relative energy-level alignment between contacting …

Organic–inorganic halide perovskite materials (eg, MAPbI3, FAPbI3, etc.; where MA=
CH3NH3+, FA= CH (NH2) 2+) have been studied intensively for photovoltaic applications …

Perovskites have been demonstrated in solar cells with a power conversion efficiency of well
above 20%, which makes them one of the strongest contenders for next generation …

Ion migration has been proposed as a possible cause of photovoltaic current–voltage
hysteresis in hybrid perovskite solar cells. A major objection to this hypothesis is that …

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 …

Hybrid metal halide perovskites have become one of the hottest topics in optoelectronic
materials research in recent years. Not only have they surpassed everyone's expectations …

Rapid improvement in photoconversion efficiency (PCE) of solution processable
organometallic hybrid halide based perovskite solar cells (PSCs) have taken the …

Perovskite solar cells (PSCs) exhibit a series of distinctive features in their optoelectronic
response which have a crucial influence on the performance, particularly for long‐time …