Isolation of single-walled carbon nanotube enantiomers by density differentiation
Abstract
Current methods of synthesizing single-walled carbon nanotubes (SWNTs) result in racemic mixtures that have impeded the study of left- and right-handed SWNTs. Here we present a method of isolating different SWNT enantiomers using density gradient ultracentrifugation. Enantiomer separation is enabled by the chiral surfactant sodium cholate, which discriminates between left- and right-handed SWNTs and thus induces subtle differences in their...
Paper Details
Title
Isolation of single-walled carbon nanotube enantiomers by density differentiation
Published Date
Jan 1, 2009
Journal
Volume
2
Issue
1
Pages
69 - 77
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