Fig. 5: Broadband photoresponse of the self-driven photodetector.
From: Self-driven WSe2 photodetectors enabled with asymmetrical van der Waals contact interfaces
I–V curves of the self-driven graphene–WSe2–Au photodetector under varying light wavelengths of a 405 nm, b 532 nm, and c 780 nm. d Dependence of the Voc on the gate voltage bias and light power density under 780 nm light illumination.
