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. 2015 Nov 9;6:8724. doi: 10.1038/ncomms9724

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(a) Responsivity and gain (external quantum efficiency) of the photodetector. The device exhibited high and flat response for all the absorbed light frequency. (b) Transient photocurrent of the photodetector as a function of incident light power (1.1, 2.2 and 3.8 μW for the blue, brown and red trace, respectively). (c) The fall time of the photodetector is measured to be ∼25 μs.