Figure 5 | Scientific Reports

Figure 5

From: Electric field created p–n junction in composite films made from carbon nanotubes, iron (III) sulfate and polyvinyl alcohol

Figure 5

The I–V profiles of samples 1, 2 and 3 at ± 6 V and highlighted profile at ± 4 V (a). The I–V profiles of samples 2, 3 and 4 at ± 6 V and highlighted profile at ± 4 V (b). Highlighted I–V profiles of sample 4 made at E = 30 V/cm (c) and 600 V/cm (d). Highlighted I–V profiles of (c) and (d) at ± 5 V and I =  ± 2 μA (e).

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