Journal
SCIENCE
Volume 323, Issue 5911, Pages 234-237Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1166087
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Funding
- Air Force [FA9550-071-0411]
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The high carrier mobility of films of semiconducting single- walled carbon nanotubes ( SWNTs) is attractive for electronics applications, but the presence of metallic SWNTs leads to high off- currents in transistor applications. The method presented here, cycloaddition of fluorinated olefins, represents an effective approach toward converting the as grown commercial SWNT mats into high- mobility semiconducting tubes with high yield and without further need for carbon nanotube separation. Thin- film transistors, fabricated from percolating arrays of functionalized carbon nanotubes, exhibit mobilities > 100 square centimeters per volt- second and on- off ratios of 100,000. This method should allow for the use of semiconducting carbon nanotubes in commercial electronic devices and provide a low- cost route to the fabrication of electronic inks.
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