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Materials for energy

Materials for energy

New photovoltaic 2D material breaks quantum efficiency record

23 Apr 2024 Isabelle Dumé
Schematic of a thin-film solar cell showing CuxGeSe/SnS as the active layer
Solar sandwich: Schematic of the thin-film solar cell with CuxGeSe/SnS as the active layer. (Courtesy: Ekuma Lab / Lehigh University)
Convention solar cells have a maximum external quantum efficiency (EQE) of 100%: for every photon in

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Isabelle Dumé is a contributing editor to Physics World
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