p-n junctions obtained in (Ge2)x(GaAs)1–x varizone solid solutions by liquid phase epitaxy

Abstract

Fig. 1. Scheme of the cascade solar cell based on (Ge 2) x (GaAs) 1−x graded gap structure: 1-n-GaAs-substrate, 2-variable gap solid solution n-(Ge 2) x (GaAs), 3-p-(Ge 2) x (GaAs) 1−x .