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. 2022 Jan 25;17:19. doi: 10.1186/s11671-021-03651-7

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Fig. 8 — a The dependence of photoresponsivity R on the wavelength. b The logarithmic dependences of R on the incident optical power P_in. All results were obtained at a reverse bias voltage of − 10 V and an incident optical power of ~ 0.1 mW