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High Speed Roll-To-Roll Printable Transistor Enabled By A Pulsed Light Curable Cnt Ink, Harish Subbaraman
High Speed Roll-To-Roll Printable Transistor Enabled By A Pulsed Light Curable Cnt Ink, Harish Subbaraman
Electrical and Computer Engineering Faculty Publications and Presentations
This paper reports the first high speed roll-to-roll printable transistor using a carbon nanotube (CNT) semiconducting layer. The transistor is made possible through the development of a pulsed light curable CNT ink compatible with typical drop on demand inkjet cartridges. This CNT ink uses a xylene based solvent with methanol, glycerin, and Triton X-100 modifiers to create an evaporable solution with appropriate absorption spectra for a mercury or xenon flash lamp with strong energy transmission in the UVB to mid visible light range, allowing the solution to absorb the energy from the flash lamp and evaporate. Transistor dimensions were defined …