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Printed organic transistors for low-cost tagging and sensing applications

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6 Author(s)
Vivek Subramanian ; EECS Department, University of California, Berkeley, Berkeley, CA 94720-1770, USA, ; Josephine Chang ; Alejandro de la Fuente Vornbrock ; Steven Molesa
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Printing is considered an attractive technology for realizing electronic functionality at low cost. Inkjet printing, in particular is very attractive for applications requiring low material consumption and spatially-specific material deposition. We report on inkjet-printed transistors offering performance approaching that of amorphous silicon, fabricated using nanoparticle-based metallization and organic-based semiconductors and dielectrics. The performance of these devices is among the highest reported for fully-printed transistors. We explore the optimization of the various printing parameters to maximize device performance and film properties. We also demonstrate the use of organic devices in arrayed electronic nose gas sensors and biosensors, exploiting the unique spatially-specific material deposition capabilities offered by inkjet printing.

Published in:

Polytronic 2007 - 6th International Conference on Polymers and Adhesives in Microelectronics and Photonics

Date of Conference:

Jan. 16 2007-Yearly 18 2007