Graphene-Multiwalled Carbon Nanotube Hybrids Synthesized by Gamma Radiations: Application as a Glucose Sensor

Figure 6

SEM micrographs of G-MWCNTs 3 : 1 (a1, a2), G-MWCNTs 1 : 1 (b1, b2), and 1 : 3 (c1, c2), respectively.