TITLE

High performance organic transistors: Percolating arrays of nanotubes functionalized with an electron deficient olefin

AUTHOR(S)
Kanungo, Mandakini; Malliaras, George G.; Blanchet, Graciela B.
PUB. DATE
August 2010
SOURCE
Applied Physics Letters;8/2/2010, Vol. 97 Issue 5, p053304
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Precise control over the electronic properties of carbon nanotubes is key to their application in plastic electronics. In the present work, we have functionalized carbon nanotubes with an electron withdrawing nonfluorinated olefins via a 2-2 cycloaddition reaction. Our results suggest that the formation of cyclobutanelike four-member ring at the functionalization site is a fairly general approach, independent of specifics of the addend, to converting the grown mixture of metal and semiconductor tubes into high mobility semiconducting tubes without tedious separation requirements. Thin film transistors fabricated from such functionalized tubes exhibit mobilities of ∼30 cm2/V s and on/off ratios in excess of 106. This simple functionalization represents a low cost path to high performance semiconducting inks for printable electronics.
ACCESSION #
52802646

 

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