Applied Physics Letters · 1981 · 83 citations · 3 references
EngineeringMaterials EngineeringMaterials ScienceElectronic MaterialsSemiconductor MaterialsThin FilmsPhotovoltaic DevicesPhotovoltaic MaterialsSemiconductor Device MaterialsSemiconductor Thin FilmsSolar Cell MaterialsSolar CellsCurrentsHeterojunction Solar CellsHeterostructure Solar CellsNanostructured Photovoltaic MaterialsNanostructured Solar CellsOpen-circuit PotentialOpen-circuit VoltageThin-film Solar Cells
Polycrytalline, thin-film Cu2S/Cd1−xZnxS heterojunction solar cells with conversion efficiencies of 10% have been prepared on Cd1−xZnxS with 0.1⩽x⩽0.2. Light-generated currents of up to 26 mA/cm2 (prorated to 100 mW/cm2) have been achieved, comparable to the best observed in Cu2S/CdS cells of the same design. The improved performance for Cu2S-based devices is as a consequence of the higher open-circuit voltage achieved with the addition of zinc.
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