High Efficiency InGaP/GaAs Solar Cell with Sub-wavelength Structure on AlInP Window Layer

Abstract

In this study, InGaP/GaAs solar cells fabricated by a Sub-wavelength surface texture process are presented. The characteristics of the InGaP/GaAs solar cells with and without the Sub-wavelength surface texture are studied. The conversion efficiency measured under one-sun air mass 1.5 global illumination at room temperature can also be improved from 10.8%. The simulated result of the Sub-wavelength structure by the RCWA was demonstrated that absorption of the solar cell will increase by the Sub-wavelength surface texture.