Fig. 5: Oscillatory phenomenon of light-induced ion redistribution. | Light: Science & Applications

Fig. 5: Oscillatory phenomenon of light-induced ion redistribution.

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

Fig. 5

a PL mapping after local illumination and at selected recovery times for 670 nm (top row) and 790 nm (bottom row). The scale bar is 40 μm. b, c Time-dependent PL intensity taken at the ring in (a) for 670 and 790 nm, respectively. Insets show a zoom-in view of the time range before 10 h

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