Journal
ADVANCED MATERIALS
Volume 22, Issue 45, Pages 5115-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201001947
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Funding
- Nanoinitiative Austria (FFG) within the NILaustria Cluster
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A nanoimprinting process that enables fabrication of self-aligned p- and n-type organic thin film transistors with small channel lengths is presented. Nanoimprint lithography with back-side exposure permit precise definition of the channel length down to the sub-micrometer regime and a diminutive gate to source/drain overlap. The self-aligned manufacturing process enables transistor setups with minimized electrode overlaps resulting in distinct decrease of parasitic capacitances and considerable increase in transition frequency. Fully functional small channel OTFTs with p- and n-type semiconductors are fabricated on glass as well as on flexible substrates with transition frequencies up to 400 kHz.
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