High Sensitive Sensor Fabricated by Reduced Graphene Oxide/Polyvinyl Butyral Nanofibers for Detecting Cu (II) in Water

Figure 2

((a)–(f)) SEM images of electrospun GO/PVB nanofibers ((a) 0.8125%; (b) 1.625%; (c) 3.25%; (d) 4.875%; (e) 5.25%; (f) 6.875% GO); SEM images of electrospun GO/PVB nanofibers (g) before and (h) after the oscillation in water for 5 h; (i) TEM image of GO/PVB fiber.

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