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. 2021 Oct 18;14(20):6170. doi: 10.3390/ma14206170

Figure 1.

Figure 1

Fabrication of the porous graphene electrode array. Schematics illustrating (a) laser pyrolysis, (b) metal interconnects, and (c) SU-8 encapsulation. (d) Photograph of the fabricated 64-electrode array. (e) Tilted scanning electron microscopy (SEM) image of the 64-spot porous graphene array. Scale bar: 1 mm. The inset contains the SEM image of an individual spot. Scale bar: 100 μm. (f) Impedance of 64 electrodes measured at 1 kHz. Adapted from [7]. Copyright (2016), with permission from Nature Publishing Group.