Abstract
AbstractFlexible field effect transistors based on a single walled carbon nanotube (SWNT) network and an ionomeric polymer (nafion) were obtained by spraying nanotubes onto the polymer film. The threshold gate voltage was extremely low, ∼1 V, which was surprising since the nafion layer was so thick, ∼180 μm. This was attributed to the electrolytic nature of nafion, which results in the existence of a screening layer at the polymer‐nanotube interface. FET hysteresis can be rationalized in terms of charge redistribution induced by mobile protons inside nafion clusters in proximity to the nanotube surface. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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