Journal article Open Access

Improved performance in ZnO/CdS/CuGaSe2 thin-film solar cells

Young, David L.; Keane, James; Duda, Anna; AbuShama, Jehad A. M.; Perkins, Craig L.; Romero, Manuel; Noufi, Rommel

We report the growth and characterization of improved efficiency wide‐bandgap ZnO/CdS/CuGaSe2 thin‐film solar cells. The CuGaSe2 absorber thickness was intentionally decreased to better match depletion widths indicated by drive‐level capacitance profiling data. A total‐area efficiency of 9·5% was achieved with a fill factor of 70·8% and a Voc of 910 mV.

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