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Lee, Chang Young
Carbon Nanomaterials Lab
Research Interests
  • Carbon nanomaterials, gas sensors, neuroanalytical chemistry, biomimetic nanosystems

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High mobility, air-stable organic transistors from hexabenzocoronene/carbon nanotube bilayers

Cited 14 times inthomson ciCited 14 times inthomson ci
Title
High mobility, air-stable organic transistors from hexabenzocoronene/carbon nanotube bilayers
Other Titles
High mobility, air-stable organic transistors from hexabenzocoronene/carbon nanotube bilayers
Author
Harris, Kenneth D.Xiao, ShengxiongLee, Chang YoungStrano, Michael S.Nuckolls, ColinBlanchet, Graciela B.
Keywords
THIN-FILM TRANSISTORS; WALLED CARBON NANOTUBES; P-N DIODES; LARGE-AREA; STICK TRANSISTOR; HIGH-PERFORMANCE; LOGIC GATES; ELECTRONICS; NETWORKS; DEVICES
Issue Date
2007-12
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY C, v.111, no.48, pp.17947 - 17951
Abstract
The pick-up-stick transistor concept is demonstrated using materials that are both air-stable and fully solution processable. In this paper, the thin film transistor (TFT) semiconductor is a bilayer structure with an array of carbon nanotubes (CNTs) as an underlayer and an alkyl-substituted hexabenzocoronene (HBC) overcoat. Electrical cur-rent flowing through the structure favors the low resistance CNTs, and therefore, the effective channel length, transconductance, and charge carrier mobility are modulated by the CNT density. With this structure, we measure a field effect mobility of 0.1 cm(2)/Vs which represents a factor of 6 improvement over that of HBC without a CNT underlayer. All fabrication is carried out in a bright, air-filled environment
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DOI
10.1021/jp071898i
ISSN
1932-7447
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ECHE_Journal Papers
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