Extraction of Essential Solar Cell Parameters of Subcells in a Tandem Structure With a Novel Three-Terminal Measurement Technique

Detailed understanding of the device electrical parameters based on the solar cell diode model is important for the optimization of the material and device structure to achieve higher efficiency. This paper discusses a method to extract subcell parameters in a tandem structure in a direct and simultaneous manner. A three-terminal analysis was done on a GaAsP/SiGe tandem solar cell grown on a Si su...