Printed organic transistors for low-cost tagging and sensing applications
Subramanian, V.
Chang, J.
de la Fuente Vornbrock, A.
Molesa, S.
Soltman, D.
Qintao Zhang
Univ. of California, Berkeley;
Abstract
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.
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