Halide perovskite solar cells (PSCs) have achieved power conversion efficiencies (PCEs)
approaching 26%, however, the stability issue hinders their commercialization. Due to the …

Interest in photovoltaics (PVs) based on Earth-abundant halide perovskites has increased
markedly in recent years owing to the remarkable properties of these materials and their …

The open-circuit voltage (V OC) deficit in perovskite solar cells is greater in wide-bandgap
(over 1.7 eV) cells than in perovskites of roughly 1.5 eV (refs.,). Quasi-Fermi-level-splitting …

The mixtures of cations and anions used in hybrid halide perovskites for high-performance
solar cells often undergo element and phase segregation, which limits device lifetime. We …

Achieving both high efficiency and long-term stability is the key to the commercialization of
perovskite solar cells (PSCs),. However, the diversity of perovskite (ABX3) compositions and …

Polymer nanocomposite dielectrics possess exceptional electric properties that are absent
in the pristine dielectric polymers. The matrix/particle interface in polymer nanocomposite …

All-perovskite tandem solar cells beckon as lower cost alternatives to conventional single-
junction cells. Solution processing has enabled rapid optimization of perovskite solar …

Metal halide perovskite based tandem solar cells are promising to achieve power
conversion efficiency beyond the theoretical limit of their single‐junction counterparts …

Fast diffusion of charge carriers is crucial for efficient charge collection in perovskite solar
cells. While lateral transient photoluminescence microscopies have been popularly used to …

We show that adding ethylenediamine (EDA) to perovskite precursor solutions improves the
photovoltaic device performance and material stability of high-bromide-content …