Lead-halide perovskites have demonstrated astonishing increases in power conversion
efficiency in photovoltaics over the last decade. The most efficient perovskite devices now …

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 …

The solar absorber is a key component in a solar cell as it captures photons and converts
them into electron–hole pairs. Its efficiency is driven by the carrier lifetime and the latter is …

CdTe is currently the largest thin-film photovoltaic technology. Non-radiative electron–hole
recombination reduces the solar conversion efficiency from an ideal value of 32% to a …

Developing effective device architectures for energy technologies—such as solar cells,
rechargeable batteries or fuel cells—does not only depend on the performance of a single …

Improvement in the optoelectronic performance of halide perovskite semiconductors
requires the identification and suppression of nonradiative carrier trapping processes. The …

The efficiency of a solar cell is often limited by electron–hole recombination mediated by
defect states within the band gap of the photovoltaic (PV) semiconductor. The Shockley …

The metal halide Cs3Cu2I5 displays anomalous optical properties: an optical absorption
onset in the ultraviolet region (∼ 330 nm) with highly efficient luminescence in the blue …

Summary Antimony selenide (Sb 2 Se 3) is at the forefront of an emerging class of
sustainable photovoltaic materials. Despite notable developments over the past decade, the …

Defects are a universal feature of crystalline solids, dictating the key properties and
performance of many functional materials. Given their crucial importance yet inherent …