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Simultaneous SWF and conductance changes measured using NG layers when exposed to (a) 8 and (b) . (c) SWF change plotted against percentage conductance change for extracted from the third cycle of (a). The inset shows the same graph corresponding to , which is also for the third cycle. The rise and fall transients show the same gradients of conductance change for both 8 and .
(a) Simultaneous SWF and conductance changes measured using NG layer when exposed to saturated acetone vapor . (b) SWF change plotted against percentage conductance change corresponding to the rise and fall transients of two cycles shown in (a).
2DGSs for (8 and ), acetone , methanol , pure ammonia, and water vapor . 8 and show very similar gradients of change in conductance in the first quadrant. Acetone, ammonia, and methanol show 2DGSs of , , and , respectively, while water vapor has a 2DGS of change of conductance in the third quadrant.
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