New design for organic/CIGS tandem solar cells promises 27.46% efficiency

Scientists in the Middle East designed a flexible two-terminal organic/CIGS tandem solar cell for wearable applications. The device achieved an open-circuit voltage of 1. 89 V, a short-circuit current density of 17. 55 mA/cm2, and a fill factor of 82. 79%. An international research team has designed a flexible two-terminal (2T) tandem solar cell based on an organic top cell and a bottom cell relying on copper, indium, gallium, and diselenide (CIGS) technology. The cell is intended for use in wearable applications. "The constituent components of the tandem cell exhibit a complementary absorption ...

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