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(Color online) Schematic of the nanofiber field effect transistor structure.
(Color online) (a) Chemical structure of RRP3HT used in this study. (b) Fluorescence image showing the morphology of droplets occasionally seen during electrospinning. (c) SEM image of a typical electrospun RRP3HT nanofiber deposited on pre-patterned substrate. The fiber shown had a diameter of about 180 nm.
(Color online) vs characteristics of a RRP3HT nanofiber FET, with effective channel length of and diameter of 180 nm, showing the accumulation mode operation when different negative gate bias applied. Inset: The forward and reverse sweeps exhibited a negligible hysteresis of the device.
Transfer characteristic for the same nanofiber FET operated at a constant drain bias of . Inset: curve fit of vs for extracting .
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