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. 2015 Sep 8;6:8238. doi: 10.1038/ncomms9238

Figure 2. Ambipolar characteristics of the hybrid perovskite phototransistors.

Figure 2

(a) Transfer characteristics of a perovskite-based phototransistor in the dark (black and red symbols) and under light illumination (blue and magenta symbols). (b,c) Representation of the transfer characteristics of p-channel and n-channel behaviours, respectively, under light illumination. (d,e) Respective output properties of the device under light condition. (f) Output curves of the phototransistor in the dark condition. Solid and dashed curves were measured during forward and backward sweepings, respectively.