Perovskite solar cells (PSCs) have made incredibly fast progress in the past years, with the
efficiency approaching 26%, which is comparable to those of the best silicon solar cells. One …

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

Single-atom catalysts are playing a pivotal-role in understanding atomic-level photocatalytic
processes. However, single-atoms are typically non-uniformly distributed on photocatalyst …

Formamidinium lead triiodide (FAPbI3) is attractive for photovoltaic devices due to its optimal
bandgap at around 1.45 eV and improved thermal stability compared with methylammonium …

Almost ten years after their first use in the photovoltaic (PV) field, perovskite solar cells
(PSCs) are now hybrid devices that, in addition to having reached silicon performance, can …

The charge carrier dynamics in organic solar cells and organic–inorganic hybrid metal
halide perovskite solar cells, two leading technologies in thin‐film photovoltaics, are …

Defect passivation and surface modification of hybrid perovskite films are essential to
achieving high power conversion efficiency (PCE) and stable perovskite photovoltaics. Here …

Time-resolved photoluminescence (TRPL) spectroscopy is a powerful technique to
investigate excited charge carrier recombinations in semiconductors and molecular systems …

Abstract Poly (3, 4‐ethylenedioxythiophene): poly (styrene sulfonate)(PEDOT: PSS) is a
popular hole transport material in perovskite solar cells (PSCs). However, the devices with …

As a deep level trap in perovskite, metallic lead (Pb 0) greatly deteriorates the performances
of perovskite optoelectronics such as perovskite solar cells. Here, we designed 2 …