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

Over the past decade, metal halide perovskite photovoltaics have been a major focus of
research, with single-junction perovskite solar cells evolving from an initial power …

The defective bottom interfaces of perovskites and hole-transport layers (HTLs) limit the
performance of pin structure perovskite solar cells. We report that the addition of lead …

Polymer passivation layers can improve the open-circuit voltage of perovskite solar cells
when inserted at the perovskite–charge transport layer interfaces. Unfortunately, many such …

Because interfacial nonradiative recombination (NRR) has a significant influence on device
performance, the minimization of interfacial NRR losses through interface engineering …

Lead sulfide colloidal quantum dot solar cells (CQDSCs), the next generation of
photovoltaics, are hampered by non‐radiative recombination induced by defects and an …

Photovoltaic solar cells based on metal-halide perovskites have gained considerable
attention over the past decade because of their potentially low production cost, earth …

Perovskite solar cells (PSCs) have become a promising photovoltaic (PV) technology, where
the evolution of the electron‐selective layers (ESLs), an integral part of any PV device, has …

The interface tailoring is crucial for the efficiency and stability of Perovskite Solar Cells
(PSCs). The reported interface engineering primarily focuses on the energy level turning …

The surface, interfaces and grain boundaries of a halide perovskite film carry critical tasks in
achieving as well as maintaining high solar cell performance due to the inherently defective …