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. 2021 Apr 30;7(18):eabg3749. doi: 10.1126/sciadv.abg3749

Fig. 6. PSM stability.

Fig. 6

(A) Operational stability of PSMs encapsulated by a cover glass or ALD Al2O3/cover glass under continuous light irradiation (the light source for the aging test was generated by a 1-sun equivalent white-light LED array) with MPP tracking at the temperature around 50°C in ambient air. (B) Stability of the ALD Al2O3/cover glass–encapsulated module under real day/night cycling without any humidity control. The PCE evolutions are obtained from the average values of the forward and reverse scans.