Title :
Fully Deformable Organic Thin-Film Transistors With Moderate Operation Voltage
Author :
Cosseddu, P. ; Piras, A. ; Bonfiglio, A.
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Cagliari, Cagliari, Italy
Abstract :
Highly flexible and mechanically stable organic thin-film transistors (OTFTs) have been fabricated using a very simple approach. Very thin parylene C films have been realized and employed as a freestanding gate dielectric for the realization of OTFTs. We demonstrate that this approach can be employed for scaling down the operating voltage in OTFTs and complementary inverters just by lowering the final free-standing film thickness. Moreover, it has also been demonstrated that the device electrical behavior is scarcely sensitive to mechanical deformation, opening the way for the realization of highly flexible foldable electronics.
Keywords :
flexible electronics; organic semiconductors; thin film transistors; deformable organic thin film transistors; flexible foldable electronic; freestanding gate dielectric; moderate operation voltage; parylene C films; Dielectrics; Logic gates; Organic thin film transistors; Pentacene; Substrates; Flexible devices; organic electronics; organic-semiconductor (OSC) thin-film transistors (TFTs);
Journal_Title :
Electron Devices, IEEE Transactions on
DOI :
10.1109/TED.2011.2161763