Issue 4, 2011
From the journal:

RSC Advances

Altering the polarity of self-assembled carbon nanotubes stationary phasevia covalent functionalization

Chaudhery Mustansar Hussain,a   Chutarat Saridaraab  and  Somenath Mitra*a  

* Corresponding authors

a Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA
E-mail: mitra@njit.edu
Fax: (+01) 973-596-3586
Tel: (+01) 973-596-5611

b Department of Chemistry, Faculty of Science and Technology, Rajamangala University of Technology, Thanyaburi, Thailand

Abstract

We present for the first time that self assembled carbon nanotubes (CNTs) can be functionalized to alter their polarity and chromatographic behavior. The nanotube phase was synthesized viaethanol chemical vapor deposition (CVD) and functionalized by acid oxidation. Compared to an equivalent CNT column, the functionalized nanotubes (f-CNTs) showed strong retention and enhanced separation for polar organics such as alcohols, where the capacity factor increased by more than 100%, and the number of plates per metre increased by as much as 60%. The f-CNTs phase showed classical chromatographic behavior and good reproducibility. This is an important first step toward the development of diverse functionalized CNT columns.

Graphical abstract: Altering the polarity of self-assembled carbon nanotubes stationary phasevia covalent functionalization

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Article information

DOI
https://doi.org/10.1039/C1RA00341K
Article type
Paper
Submitted
23 Jun 2011
Accepted
23 Jun 2011
First published
25 Aug 2011

RSC Adv., 2011,1, 685-689

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Altering the polarity of self-assembled carbon nanotubes stationary phasevia covalent functionalization

C. M. Hussain, C. Saridara and S. Mitra, RSC Adv., 2011, 1, 685 DOI: 10.1039/C1RA00341K

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