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Cu-assisted chemical etching of bulk c-Si: A rapid and novel method to obtain 45 μm ultrathin flexible c-Si solar cells with asymmetric front and back light trapping structures

Materials ScienceCu-assisted Chemical EtchingBulk C-siEngineeringFlexible ElectronicsApplied PhysicsSemiconductor Device FabricationOptoelectronic DevicesIntegrated CircuitsThin FilmsSilicon On InsulatorSolar CellsAsymmetric FrontPhotovoltaicsNanolithography MethodSolar Cell Materials