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In this study, we developed a valid method to fabricate all-printed functionalized CoMoCat 76 SCNT thin film transistors (TFTs) on PET substrates via a suite of printing technologies. The printing methods we investigated include inkjet printing, aerosol jet printing and a hybrid with nanoimprinting. Source and drain electrodes were first fabricated on flexible substrates by a hybrid printing of nanosilver ink, and then SCNT thin films were deposited on the channel of TFT devices by ink-jet printing. Subsequently, the side-gate electrode and ion gel dielectric layer were deposited by aerosol jet printing of nanosilver ink. The all-printed flexible TFTs exhibited the effective mobility up to 1.3 cm 2V -1S -1 and on/off ratio up to 2×10 3. This work opens a way to fabricate scalable all-printed flexible electronics.

Type

Conference paper

Publication Date

20/08/2012

Pages

248 - 251