Numerical investigations of the impact of buffer germanium composition and low cost fabrication of Cu2O on AZO/ZnGeO/Cu2O solar cell performances

Open Access

Fig. 1

Simulated photovoltaic characteristics of the AZO/Zn₁₋_xGe_xO/Cu₂O solar cell for different germanium composition x or conduction band offset χ_ZnGeO − χ_{Cu₂_O}. Simulations with (dashed blue) and without (solid red) using interfacial defect layer at the junction are compared with experimental measurements (black dots) from [11].

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