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. 2015 Jul 21;5:12320. doi: 10.1038/srep12320

Figure 2. Photoresponse of the Bi photodetector.

Figure 2

(a) Time dependent switching behavior of the photocurrent. Device area: 0.32 mm × 0.32 mm Power density: 300 mW/cm2. (b) Normalized responsivity as a function of illumination wavelength. Device size: 2 mm × 1.2 mm (c) Voltage dependent photocurrent. Device area : 10 mm × 10 mm (d) Power dependent photocurrent. Source-drain voltage: 0.01 V. Device area: 10 mm × 10 mm