Fig. 1: BP/MoS2/Si van der Waals two-color infrared detector concept. | Light: Science & Applications

Fig. 1: BP/MoS2/Si van der Waals two-color infrared detector concept.

From: Van der Waals two-color infrared photodetector

Fig. 1

a Schematic of van der Waals two-color infrared photodetector, showing the working mode and external circuit of the photodetector. b Circuit configuration of device to demonstrate the performance of two-color photodetector. c Cross-sectional TEM image showing the bP/MoS2 interface. d Cross-sectional TEM image showing the Si/MoS2 interface. e Simulated energy band diagram with p-Si applied a negative voltage

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