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High-Performance Organic Field-Effect Transistors with Dielectric and Active Layers Printed Sequentially by Ultrasonic Sprayi...

Publication Type
Journal
Journal Name
Journal of Materials Chemistry
Publication Date
Page Numbers
4384 to 4390
Volume
1
Issue
21

High-performance, flexible organic field-effect transistors (OFETs) are reported with PVP dielectric and TIPS-PEN active layers sequentially deposited by ultrasonic spray-coating on plastic substrate. OFETs fabricated in ambient air with a bottom-gate/top-contact geometry are shown to achieve on/off ratios of >104 and mobilities as high as 0.35 cm2/Vs. These rival the characteristics of the best solution-processible small molecule FETs fabricated by other fabrication methods such as drop casting and ink-jet printing.