Lead halide perovskites are a remarkable class of materials that have emerged over the
past decade as being suitable for application in a broad range of devices, such as solar …

Field‐effect transistors (FETs) are key elements in modern electronics and hence are
attracting immense scientific and commercial attention. The recent emergence of metal …

We study recombination pathways in halide perovskite solar cells using a semiconductor
device model that includes iodide diffusion and iodide reactions. We stress the device at a …

Photostability is critical for long-term solar cell operation. While light-triggered defects are
usually reported as evidence of material degradation, we reveal that the formation of certain …

Understanding the origin and distribution of electronic gap states in metal halide perovskite
(MHP) thin films is crucial to the further improvement of the efficiency and long‐term stability …

Point defects in metal halide perovskites play a critical role in determining their properties
and optoelectronic performance; however, many open questions remain unanswered. In this …

Non-radiative recombination in the perovskite bulk and at its interfaces prohibits the
photovoltaic performance from reaching the Shockley-Queisser limit. While interfacial …

The migration of ionic defects and electrochemical reactions with metal electrodes remains
one of the most important research challenges for organometal halide perovskite …

One of the key challenges for the future development of efficient and stable metal-halide
perovskite solar cells is related to the migration of ions in these materials. Mobile ions have …

In this work we investigate the effect of tuning the density of surface defects of
methylammonium lead triiodide (MAPbI3) perovskite films on their photoluminescence (PL) …