Square-Centimeter Solution-Processed Planar CH3 NH3 PbI3 Perovskite Solar Cells with Efficiency Exceeding 15
Advanced materials (Deerfield Beach, Fla.) | 29 Sep 2015
M Yang, Y Zhou, Y Zeng, CS Jiang, NP Padture and K Zhu
The preparation of uniform, high-crystallinity planar perovskite films with high-aspect-ratio grains over a square-inch area is demonstrated. The best power conversion efficiency (PCE) of 16.3% (stabilized output of ≈15.6%) is obtained for a planar perovskite solar cell (PSC) with 1.2 cm2 active area, and the PCE jumps to 18.3% (stabilized output of ≈17.5%) for a PSC with a 0.12 cm2 active area.
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