fig4

DMF passivating perovskite/PCBM interface for high-efficiency and stable inverted perovskite solar cells

Figure 4. Normalized PCE of control group devices and DMF-treated devices packaged in air conditions for 2,736 h. PCE: Photoelectric conversion efficiency; DMF: N,N-dimethylformamide.

Energy Materials
ISSN 2770-5900 (Online)
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