Fig. 2: Comparison of optoelectronic performance of two devices. | Communications Materials

Fig. 2: Comparison of optoelectronic performance of two devices.

From: Improving multifunctional monolithic nano-device by single (Al,Ga)N nanowire/graphene van der Waals heterostructure for neuromorphic computing, photodetection and imaging

Fig. 2: Comparison of optoelectronic performance of two devices.

Top-view SEM images and schematic diagrams (a) device A and (b) device B. Energy band diagrams of (c) device A under illumination, (d) device B under negative bias and illumination, (e) device B under positive bias and illumination. f Comparison of photogenerated currents between devices A and B under negative bias, and the Raw Data is shown in Fig. S2a. g The EPSC of devices A and B triggered by 20 light pulses under positive bias, and the Raw Data is shown in Fig. S2b. h The extracted EPSC results of devices A and B under illumination.

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