Recently, perovskite solar cells (PSCs) have attracted much attention owing to their high
power conversion efficiency (25.2%) and low fabrication cost. However, the short lifetime …

This review article discusses the current designs and synthetic procedures for organic small
molecules as hole-transporting materials (HTMs) with a focus on their structure–property …

Although β-CsPbI3 has a bandgap favorable for application in tandem solar cells, depositing
and stabilizing β-CsPbI3 experimentally has remained a challenge. We obtained highly …

Perovskite solar cells (PSCs) require both high efficiency and good long-term stability if they
are to be commercialized. It is crucial to finely optimize the energy level matching between …

Lead halide perovskite semiconductors have recently gained wide interest following their
successful embodiment in solid-state photovoltaic devices with impressive power …

Colloidal CsPbX3 (X= Cl, Br, and I) nanocrystals have recently emerged as preferred
materials for light-emitting diodes, along with opportunities for photovoltaic applications …

Mn2+ ions doped in high-energy absorbing semiconductor host nanocrystals take away the
exciton energy and result in spin-polarized d–d emission. For the last three decades this has …

Solar cells based on “halide perovskites”(HaPs) have demonstrated unprecedented high
power conversion efficiencies in recent years. However, the well-known toxicity of lead (Pb) …

Charge transport materials in heterojunction solar cells (eg perovskite solar cells (PSCs))
play critical roles in determining charge dynamics, photovoltaic performance and device …

While perovskite solar cells have skyrocketed in recent years to power conversion
efficiencies competitive with those of silicon and thin-film photovoltaics, the lagging behind …