Multi-junction (tandem) solar cells (TSCs) consisting of multiple light absorbers with
considerably different band gaps show great potential in breaking the Shockley–Queisser (S …

Solar cells based on emerging organic–inorganic hybrid perovskite materials have reached
certified power conversion efficiency as high as 25.5%, showing great potential in the next …

A major thrust of medical X-ray imaging is to minimize the X-ray dose acquired by the
patient, down to single-photon sensitivity. Such characteristics have been demonstrated with …

Radiation detection, using materials to convert high-energy photons to low-energy photons
(X-ray imaging) or electrical charges (X-ray detector), has become essential for a wide range …

Perovskite solar cells (PSCs) suffer from significant nonradiative recombination, limiting their
power conversion efficiencies. Here, for the first time, we directly observe a complete …

The surface, interfaces and grain boundaries of a halide perovskite film carry critical tasks in
achieving as well as maintaining high solar cell performance due to the inherently defective …

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 …

Perovskite single crystals have recently been regarded as emerging candidates for
photovoltaic application due to their improved optoelectronic properties and stability …

Halide perovskites have gained tremendous attention in the past decade owing to their
excellent properties in optoelectronics. Recently, a fascinating property, ferroelectricity, has …

Metal halide perovskites are the first solution processed semiconductors that can compete in
their functionality with conventional semiconductors, such as silicon. Over the past several …