Nano Archive

Enrichment of single chirality carbon nanotubes

Zheng, Ming and Semke, Ellen D. (2007) Enrichment of single chirality carbon nanotubes. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 129 (19). 6084+.

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Official URL: http://dx.doi.org/10.1021/ja071577k

Abstract

Two liquid chromatography techniques for single-walled carbon nanotube (SWNT) separation, size-exclusion chromatography (SEC), and ion-exchange chromatography (IEX) are combined to obtain small diameter semiconducting SWNTs with defined length and chirality. It is observed that these tubes elutes in the IEX separation in the order of (6,4), (9,1), (6,5), (8,3), and (7,5). The improved resolution allows clear separation of (6,5) from (9,1), two semiconducting SWNTs with identical diameter but different chirality.

Item Type:Article
Subjects:Physical Science > Nano objects
Material Science > Nanostructured materials
Material Science > Nanochemistry
ID Code:3059
Deposited By:Anuj Seth
Deposited On:13 Jan 2009 15:07
Last Modified:20 Jan 2009 15:29

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