Fig. 2: The recovery process of the light-induced ion redistribution. | Light: Science & Applications

Fig. 2: The recovery process of the light-induced ion redistribution.

From: Photo-induced macro/mesoscopic scale ion displacement in mixed-halide perovskites: ring structures and ionic plasma oscillations

Fig. 2

a PL mapping at different recovery times for 670 nm (top row) and 790 nm (bottom row). The scale bar is 40 μm. b, c Time-dependent PL spatial profiles taken at the white dashed lines in (a) for 670 and 790 nm, respectively. d Dynamic tracking of normalized PL spectra at the illuminated site

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