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(a) Schematic of the device operation. (b) The photocurrent responses with time under the illumination of 365 nm. (c) The time-resolved photocurrent of the photodetector in response to light on/off at an irradiance of 131 mW/cm2 with 365 nm light. (d) The photocurrent–time curve with the change of light intensity. Reproduced or adapted from [31].
