Flexible perovskite solar cells have attracted widespread research effort because of their
potential in portable electronics. The efficiency has exceeded 18% owing to the high‐quality …

Perovskite polycrystalline films with massive grain boundaries (GBs) lead to high defect
densities as well as poor environmental stability. Polymer additives provide an effective …

Trap-assisted recombination, despite being lower as compared with traditional inorganic
solar cells, is still the dominant recombination mechanism in perovskite solar cells (PSCs) …

With rapid progress in the deployment of metal halide perovskites in various device
applications such as solar cells, light-emitting devices, field-effect transistors …

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 …

An organic–inorganic perovskite is comprised of an organic cation (CH3NH3+, FAI, or Cs), a
metal cation (Pb2+ or Sn2+) and a halide (I−, Cl−, or Br−) molecule. Precursor salts …

Despite the well-known implications in the field of III–V semiconductors, lattice strain in
halide perovskite materials has been largely overlooked until recently. Here, we review the …

In order to achieve the highest performance of organometal trihalide perovskite solar cells, it
is required to recognize the dominant mechanisms which play a key role in a perovskite …

The current challenges (eg, stability, hysteresis, etc.) in organometal halide perovskite solar
cell research are closely correlated with surfaces and interfaces. For instance, efficient …

The field of photovoltaic research has been lately dominated by the rapid evolution of low-
cost and high-efficiency hybrid organic lead halide perovskite solar cells. Despite the …