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. 2015 Dec 10;5:18276. doi: 10.1038/srep18276

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(a) Photoconductive gain vs. wavelength plot of PD1, PD2, and PD3, (b) dark current and photo current under illumination of blue light of intensity 2 mW/cm² of the three devices, (c) intensity dependent I-V characteristic (d) corresponding power-law fit of PD1 under blue light, (e) Reproducible ON/OFF switching of the device under illumination of blue light at 2 mW/cm², (f) Single cycle ON/OFF switching of the device.