Publication | Closed Access
Improved Cu<sub>2</sub>O‐Based Solar Cells Using Atomic Layer Deposition to Control the Cu Oxidation State at the p‐n Junction
160
Citations
29
References
2014
Year
EngineeringEnergy ConversionOrganic Solar CellPhoto-electrochemical CellChemical DepositionPhotovoltaicsChemical EngineeringNanoelectronicsSolar Cell StructuresCu Oxidation StateP‐n JunctionAtomic Layer DepositionMaterials ScienceElectrical EngineeringCu2+-related DefectsOxide ElectronicsSemiconductor MaterialCopper Oxide MaterialsPerovskite Solar CellApplied PhysicsBuilding-integrated PhotovoltaicsThin FilmsSolar CellsChemical Vapor DepositionSolar Cell Materials
Solar cells are produced by atomic layer deposition (ALD) of n-type amorphous zinc-tin-oxide buffer layers on electrochemically deposited p-type cuprous oxide, Cu2O, absorber layers. The diethylzinc precursor in the ALD process reduces Cu2+-related defects at the heterojunction interface, improving the solar-cell open-circuit voltage. An NREL-certified power conversion efficiency of 2.85% is reported.
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