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

Figure 8

Responses before and after plasma treatment of the unenriched 60% and 90% enriched SWCNT-network sensors to an NH₃ concentration of 22.6 ppm at room temperature. and are the resistances before and after exposure to the analyte.