The past decade has witnessed tremendous advances in synthesis of metal halide
perovskites and their use for a rich variety of optoelectronics applications. Metal halide …

Lead halide perovskite solar cells now show excellent efficiencies and encouraging levels of
stability. Further improvements in performance require better control of the trap states which …

Metal halide perovskite solar cells have demonstrated a high power conversion efficiency
(PCE), and further enhancement of the PCE requires a reduction of the bandgap-voltage …

One of the most effective methods to achieve high-performance perovskite solar cells has
been to include additives that serve as dopants, crystallization agents, or passivate defect …

Regulating the electron transport layer (ETL) has been an effective way to promote the
power conversion efficiency (PCE) of perovskite solar cells (PSCs) as well as suppress their …

The unavoidably positively and negatively charged defects at the interface between
perovskite and electron transport layer (ETL) often lead to severe surface recombination and …

The mixed halide perovskites have emerged as outstanding light absorbers for efficient solar
cells. Unfortunately, it reveals inhomogeneity in these polycrystalline films due to …

Impedance spectroscopy (IS) is an effective characterization technique used to probe and
distinguish charge dynamics occurring at different timescales in optoelectronic and electric …

Long-term stability is an essential requirement for perovskite solar cells (PSCs) to be
commercially viable. Heterojunctions built by low-dimensional and three-dimensional …

Hybrid organic–inorganic halide perovskite based solar cell technology has passed through
a phase of unprecedented growth in the efficiency scale from 3.8% to above 25% within a …