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"Zero-dimensional" single-walled carbon nanotubes. 2013
Kaladhar Kamalasanan, and
Riccardo Gottardi, and
Susheng Tan, and
Yanan Chen, and
Bhaskar Godugu, and
Sam Rothstein, and
Anna C Balazs, and
Alexander Star, and
Steven R Little
Department of Chemical and Petroleum Engineering, University of Pittsburgh, 3700 O'Hara Street, Pittsburgh, PA 15261 (USA) http://littlelab.pitt.edu.
The shorter, the more dispersible: An iterative, emulsion-based shortening technique has been used to reduce the length of single-walled carbon nanotubes (SWNTs) to the same order of magnitude as their diameter (ca. 1 nm), thus achieving an effectively "zero-dimensional" structure with improved dispersibility and, after hydroxylation, long-term water solubility. Finally, zero-dimensional SWNTs were positively identified using mass spectrometry for the first time.
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