Fig. 19. (a) Current−voltage curves of perovskite solar cells derived from HTSA-100 and (b) HTSA-400 with an active area 0.1 cm2 and a 1 cm2. (c) Histogram of PCEs derived from HTSA-100 and (d) HTSA-400 with an active area 0.1 cm2 and 1 cm2.35.
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