Figure 4: Electronic properties of perovskite films without PCBM and with varied PCBM thermal annealing time. | Nature Communications

Figure 4: Electronic properties of perovskite films without PCBM and with varied PCBM thermal annealing time.

From: Origin and elimination of photocurrent hysteresis by fullerene passivation in CH3NH3PbI3 planar heterojunction solar cells

Figure 4

(a) Charge carrier concentration (orange) and mobility (blue) by Hall Effect measurements. (b) Charge transient time for samples without PCBM layer (orange) and with 45 min thermal annealing PCBM layer (blue) by transient photocurrent measurement.

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