Fig. 1. GaInP/GaAs/InGaAs triple junction solar cell. (a) Structure schematic diagram; (b) process flow diagram

Fig. 2. J-V curves of GaInP/GaAs/InGaAs triple junction solar cells under AM1.5G spectrum before and after damp heat test

Fig. 3. Reflectivity curves of Ti₃O₅/SiO₂ double-layer ARC of triple junction solar cells before and after damp heat test

Fig. 4. EL emission spectra under different injection current densities before and after damp heat test (inset is change of EL emission peak intensity before and after damp heat test)

Fig. 5. EQE curves of GaInP/GaAs/InGaAs triple junction solar cells before and after damp heat test

Fig. 6. Concents of Al, Ga, In, P, As, and O before and after damp heat experiment vis SIMS test