Fig. 4: Ultrafast photocurrent dependence on electric field. | Nature Communications

Fig. 4: Ultrafast photocurrent dependence on electric field.

From: In-situ observation of trapped carriers in organic metal halide perovskite films with ultra-fast temporal and ultra-high energetic resolutions

Fig. 4

a, b The ultrafast photocurrent and corresponding normalized photocurrent under 300 K. c, d The ultrafast photocurrent and corresponding normalized photocurrent under 180 K. The insets are the extracted decay times in regions II and III. Note that the oscillations are a result of impedance mismatch, which slightly varies with devices and do not correspond to an internal physical process.

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