Figure 1From: Highly enhanced gas sensing in single-walled carbon nanotube-based thin-film transistor sensors by ultraviolet light irradiationSchematic and SEM images. The (a) schematic and (b) SEM image of the SWCNT-TFT structure. (c) SEM image of SWCNT bridging the conducting channel. (d) SEM images showing SWCNTs deposited at different positions on the (e) electron patterning wafer.Back to article page