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A new approach to high-efficiency solar cells by band gap grading in Cu(In,Ga)Se2 chalcopyrite semiconductors

Materials ScienceSemiconductorsElectrical EngineeringIi-vi SemiconductorEngineeringTransition Metal ChalcogenidesOrganic Solar CellApplied PhysicsSemiconductor MaterialHigh-efficiency Solar CellsSolar CellsCompound SemiconductorPhotovoltaicsBand GapSe2 Chalcopyrite Semiconductors