- All-printed flexible organic transistors enabled by surface tension-guided blade coating.
All-printed flexible organic transistors enabled by surface tension-guided blade coating.
Advanced materials (Deerfield Beach, Fla.) (2014-06-20)
Adrien Pierre, Mahsa Sadeghi, Marcia M Payne, Antonio Facchetti, John E Anthony, Ana Claudia Arias
PMID24941920
要旨
A combination of surface energy-guided blade coating and inkjet printing is used to fabricate an all-printed high performance, high yield, and low variability organic thin film transistor (OTFT) array on a plastic substrate. Functional inks and printing processes were optimized to yield self-assembled homogenous thin films in every layer of the OTFT stack. Specifically, we investigated the effect of capillary number, semiconductor ink composition (small molecule-polymer ratio), and additive high boiling point solvent concentrations on film fidelity, pattern design, device performance and yields.
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