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. 2014 May 21;9(1):251. doi: 10.1186/1556-276X-9-251

Figure 5.

Figure 5

SEM images of Py-rGO bridged between Au electrodes self-assembled with different concentration of GO. (a) and (d) 1 mg/mL, (b) and (e) 0.5 mg/mL, and (c) and (f) 0.25 mg/mL.