Abstract Current‐density–voltage (J–V) hysteresis in perovskite solar cells (PSCs) is a
critical issue because it is related to power conversion efficiency and stability. Although …

In recent years, organic‐inorganic halide perovskites are now emerging as the most
attractive alternatives for next‐generation photovoltaic devices, due to their excellent …

Multi-junction all-perovskite tandem solar cells are a promising choice for next-generation
solar cells with high efficiency and low fabrication cost. However, the lack of high-quality low …

Mixed-halide perovskites are ideal materials for the demanding applications of tandem solar
cells and emission-tunable light-emitting diodes (LEDs) because of their high compositional …

Mixed-halide perovskites offer bandgap tunability essential for multijunction solar cells;
however, a detrimental halide segregation under light is often observed. Here we combine …

An understanding of the factors driving halide segregation in lead mixed-halide perovskites
is required for their implementation in tandem solar cells with existing silicon technology …

Organic–inorganic hybrid perovskite (OIHPs) solar cells are the most promising alternatives
to traditional silicon solar cells, with a certified power conversion efficiency beyond 25 …

Ion migration has been regarded as one of the most interesting and mysterious processes in
halide‐perovskite‐based electronic devices. On the one hand, ion migration contributes to …

There are significant applications for miniature on‐chip spectrometers in many fields.
However, at present, on‐chip spectrometers have to utilize an integrated strategy to achieve …

Organic–inorganic hybrid perovskites are promising candidates for the next-generation solar
cells. Many efforts have been made to study their structures in the search for a better …