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Spray-coated carbon nanotube thin-film transistors with striped transport channels

Title
Spray-coated carbon nanotube thin-film transistors with striped transport channels
Author
이승백
Keywords
TRANSPARENT; NETWORKS; PERCOLATION; CIRCUITS
Issue Date
2012-12
Publisher
Institute of Physics; 1999
Citation
Nanotechnology, 2012, 23(50), P.505203
Abstract
We present results for the transfer characteristics of carbon nanotube thin-film transistors (CNT-TFTs) that utilize single-walled carbon nanotube thin-films prepared by direct spray-coating on the substrate. By varying the number of spray-coatings (N-sp) and the concentration of nanotubes in solution (C-NT), it was possible to control the conductivity of the spray-coated nanotube thin-film from 129 to 0.1 k Omega/square. Also, by introducing stripes into the channel of the CNT-TFT, and thereby reducing the number of metallic percolation paths between source and drain, it was possible to enhance the on/off current ratio 1000-fold, from 10 to 10(4), demonstrating that it may be possible to utilize spray-coating as a method to fabricate CNT-TFTs for large area switching array applications.
URI
http://iopscience.iop.org/article/10.1088/0957-4484/23/50/505203/metahttp://hdl.handle.net/20.500.11754/51082
ISSN
0957-4484
DOI
10.1088/0957-4484/23/50/505203
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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