Materials with highly crystalline lattice structures and low defect concentrations have
classically been considered essential for high-performance optoelectronic devices …

Photovoltaic devices based on metal hybrid perovskite materials have been extensively
explored in recent years for the exceptional power-conversion efficiency and the potential …

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

Charge carriers' density, their lifetime, mobility, and the existence of trap states are strongly
affected by the microscopic morphologies of perovskite films, and have a direct influence on …

Improving the quality of perovskite poly‐crystalline film is essential for the performance of
associated solar cells approaching their theoretical limit efficiency. Pinholes, unwanted …

Textured silicon wafers used in silicon solar cell manufacturing offer superior light trapping,
which is a critical enabler for high‐performance photovoltaics. A similar optical benefit can …

Perovskite silicon tandem solar cells are a promising technology to overcome the efficiency
limit of silicon solar cells. Although highest tandem efficiencies have been reported for the …

Mixed cation strategy greatly benefits the enhancement of device performance and chemical
stability. However, adverse impact also accompanies the mixed cation system …

Drawing from both experimental data and simulation, we highlight best practices for fitting
time-resolved photoluminescence (TRPL) decays of halide perovskite semiconductors …

Formamidinium lead trioiodide (FAPbI3) is a promising perovskite for single-junction solar
cells. However, FAPbI3 is metastable at room temperature and can cause intrinsic quantum …