Abstract
Abstract We have easily fabricated channel patterns of organic field-effect transistors (OFET), in which channel lengths were ca. 5 ฮผm, by using wet-spun poly(3,4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (PEDOT/PSS) microfibers with diameters of ca. 5 ฮผm. Pentacene-based OFETs with a bottom-contacted configuration, fabricated on the channel patterns, showed a hole mobility of 10โ3 cm2 Vโ1 sโ1 simply reflecting FET characteristics of the pentacene, and showed large current of 8 ฮผA (VDS=โ50 V; VG=โ50 V) reflecting shorter channel length of the devices.
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