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(a) SEM cross-section view of a complete Sb2Se3 solar cell, showing the Mo layer and Sb2Se3 layer covered by the window layer. (b) J-V curves for solar cells based on Sb2Se3 absorbers deposited at 225 °C and 270 °C (Se pulse period: 1.2 s). (c) J-V curves of devices with the Sb2Se3 absorbers deposited at 270 °C with various Se pulse periods.
