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Novel approach towards performance enhancement of all semiconducting carbon nanotube devices for printed electronics

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3 Author(s)
Jain, D. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Irvine, CA, USA ; Rouhi, Nima ; Burke, Peter J.

Carbon nanotube based semiconducting inks are now being widely used by researchers for several exotic applications including but not limited to flexible TFTs, biosensors and printed electronics. As this point it is crucial to be able to have a precise control over the electronic performance of such devices. In this work, we present our progress towards thin film transistor fabrication where 99% semiconducting nanotubes ink is used as the starting material. By controlling the density of nanotubes in the network, we laid down a road map to predict and enhance the device performance based on their mobility and on/off ratio. From this work the DC analysis of devices characterization shows a mobility more than 90 cm2/V-s and also on/off ratios as high as, 105 have been achieved.

Published in:

Nanotechnology (IEEE-NANO), 2011 11th IEEE Conference on

Date of Conference:

15-18 Aug. 2011