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

The modern era of cutting-edge technology needs alternative renewable energy resources
due to limited stocks and pollution concerns dealing with the conventional resources. Solar …

Perovskite solar cells (PSCs) with a power conversion efficiency (PCE) overpassing 25%
have proved to be the most promising competitor for the next‐generation photovoltaic …

Perovskite solar cells combine high carrier mobilities with long carrier lifetimes and high
radiative efficiencies. Despite this, full devices suffer from significant nonradiative …

The buried interface between the perovskite and the electron transport layer (ETL) plays a
vital role for the further improvement of power conversion efficiency (PCE) and stability of …

The unavoidably positively and negatively charged defects at the interface between
perovskite and electron transport layer (ETL) often lead to severe surface recombination and …

A new chapter in the long and distinguished history of perovskites is being written with the
breakthrough success of metal halide perovskites (MHPs) as solution-processed …

Recently, lead‐free double perovskites have emerged as a promising environmentally
friendly photovoltaic material for their intrinsic thermodynamic stability, appropriate …

The large photocurrent hysteresis observed in many organometal trihalide perovskite solar
cells has become a major hindrance impairing the ultimate performance and stability of …

The carrier concentration of the electron‐selective layer (ESL) and hole‐selective layer can
significantly affect the performance of organic–inorganic lead halide perovskite solar cells …