Metal-halide perovskites have rapidly emerged as one of the most promising materials of the
21st century, with many exciting properties and great potential for a broad range of …

Electrical do** (that is, intentional engineering of carrier density) underlies most energy-
related and optoelectronic semiconductor technologies. However, for the intensely studied …

Perovskite solar cells (PSCs) consisting of interfacial two-and three-dimensional
heterostructures that incorporate ammonium ligand intercalation have enabled rapid …

The performance of perovskite solar cells with inverted polarity (pin) is still limited by
recombination at their electron extraction interface, which also lowers the power conversion …

The energy landscape of reduced-dimensional perovskites (RDPs) can be tailored by
adjusting their layer width (n). Recently, two/three-dimensional (2D/3D) heterostructures …

Tin–lead mixed perovskite-based tandem solar cells show promise. However, the inherent
oxidation of tin remains a challenge for achieving high power conversion efficiency and …

Tandem solar cells are the next step in the photovoltaic (PV) evolution due to their higher
power conversion efficiency (PCE) potential than currently dominating, but inherently limited …

In perovskite solar cells (PSCs) energy level alignment and charge extraction at the
interfaces are the essential factors directly affecting the device performance. In this work, we …

Halide perovskite materials have promising performance characteristics for low-cost
optoelectronic applications. Photovoltaic devices fabricated from perovskite absorbers have …

The unprecedented increase of the power conversion efficiency of metal‐halide perovskite
solar cells has significantly outpaced the understanding of their fundamental properties. One …