Effect of Varying the Semiconducting/Metallic Tube Ratio on the Performance of Mixed Single-Walled Carbon Nanotube Network Gas Sensors

Figure 1

(a) Schematic illustration of the SWCNT-network-based NH₃ gas sensor with an interdigitated electrode. SEM (upper) and AFM (lower) images of (b) unenriched 66%, (c) 90% enriched, and (d) 99% enriched SWCNT networks.