Fig. 5: Stability of WBG perovskite film and photovoltaics. | Nature Communications

Fig. 5: Stability of WBG perovskite film and photovoltaics.

From: Halide insertion regulation for efficient and stable wide-bandgap perovskite photovoltaics

Fig. 5: Stability of WBG perovskite film and photovoltaics.

a In-situ GIWAXS patterns of control, AD-treated, and OPD-treated perovskite film at 65 °C and 45% RH. b Extracted crystal orientation evolution of (100) facet. c In-situ PL spectra of perovskite films under continuous 1-sun illumination. d EL spectra of perovskite films at various bias voltages. e The PCE evolution of encapsulated devices with the ISOS-L-1 testing protocol.

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