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

Impedance spectroscopy (IS) is an effective characterization technique used to probe and
distinguish charge dynamics occurring at different timescales in optoelectronic and electric …

Tandem solar cells are the next step in the photovoltaic (PV) evolution due to their higher
power conversion efficiency (PCE) potential than currently dominating, but inherently limited …

All of the cations currently used in perovskite solar cells abide by the tolerance factor for
incorporation into the lattice. We show that the small and oxidation-stable rubidium cation …

Charge transport layers (CTLs) are key components of diffusion controlled perovskite solar
cells, however, they can induce additional non-radiative recombination pathways which limit …

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 …

Inorganic‐organic lead‐halide perovskite solar cells have reached efficiencies above 22%
within a few years of research. Achieved photovoltages of> 1.2 V are outstanding for a …

Perovskite solar cells are one of the most promising photovoltaic technologies with their
extraordinary progress in efficiency and the simple processes required to produce them …

Perovskite photovoltaic (PV) cells have demonstrated power conversion efficiencies (PCE)
that are close to those of monocrystalline silicon cells; however, in contrast to silicon PV …

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