fig2

Simultaneously enhancing moisture and mechanical stability of flexible perovskite solar cells via a polyimide interfacial layer

Figure 2. (A) J-V curves and (B) the PCE statistical distributions of 20 devices with different concentrations of PI. (C) The steady-state photocurrent measurements at maximum power point. (D) EQE spectra for the devices with (w/) and without (w/o) PI. PCE: High power conversion efficiency; EQE: external quantum efficiency; PI: polyimide.

Soft Science
ISSN 2769-5441 (Online)
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