Organic semiconductors have become essential parts of thin-film electronic devices,
particularly as hole transport layers (HTLs) in perovskite solar cells (PSCs) where they …

Metal halide perovskites are widely used in optoelectronic devices, including solar cells,
photodetectors, and light-emitting diodes. Defects in this class of low-temperature solution …

All-perovskite tandem solar modules are promising to reduce the cost of photovoltaic
systems with their high efficiency and solution fabrication, but their sensitivity to air still …

High temperature post‐deposition annealing of hybrid lead halide perovskite thin films—
typically lasting at least 10 min—dramatically limits the maximum roll‐to‐roll coating speed …

Vacuum‐based deposition of optoelectronic thin films has a long‐standing history. However,
in the field of perovskite‐based photovoltaics, these techniques are still not as advanced as …

Understanding the degradation mechanism of perovskite solar cells (PSCs) is of particular
importance to solve their instability issue, which is one of the major hindrances toward …

Monolithic perovskite silicon tandem solar cells can overcome the theoretical efficiency limit
of silicon solar cells. This requires an optimum bandgap, high quantum efficiency, and high …

Initial improvement in power conversion efficiency (PCE) during ambient storage is often
seen in perovskite solar cells (PSCs). In this work, we studied the origin of PCE …

Mesoporous structured electron transport layers (ETLs) in perovskite solar cells (PSCs) have
an increased surface contact with the perovskite layer, enabling effective charge separation …

The mixed ionic–electronic nature of lead halide perovskites makes their performance in
solar cells complex in nature. Ion migration is often associated with negative impacts─ such …