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 …

Impedance spectroscopy (IS) has great potential to become a standard technique for the
characterisation, analysis, and diagnosis of perovskite solar cells (PSC). However, the …

Halide perovskite solar cells containing a mixture of A-site cations are attracting
considerable interest due to their improved stability and high power conversion efficiencies …

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 …

Metal halide perovskites are archetypal ionic‐electronic materials with great prospects for
optoelectronic applications. Among the rich variety of physics exhibited by ionic‐electronic …

Abstract Ruddlesden-Popper (RP) two-dimensional (2D) perovskites have been employed
on the top of three-dimensional (3D) perovskites as a cap** layer to improve the efficiency …

Impedance analysis is not an easy task. This becomes even more obvious if unusual shapes
appear in the impedance diagram. Here, a low frequency hook with positive imaginary part …

Small perturbation techniques have proven to be useful tools for the investigation of
perovskite solar cells. A correct interpretation of the spectra given by impedance …

Perovskite solar cells (PSCs) have reached impressively high efficiencies in a short period
of time; however, the optoelectronic properties of halide perovskites are surprisingly …