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Issue 6, 2011
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Evaluation of affinity of molecules for carbon nanotubes

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Abstract

Recent developments of non-covalent functionalization of carbon nanotubes (CNTs) require a systematic understanding of the interaction between molecule and CNTs (CNT-molecular interaction); however, it has been difficult to evaluate the “net” interaction between the CNTs and molecules. We now use silica gel particles coated with the pristine single-walled carbon nanotubes (SWNTs) in a monolayer fashion as the stationary phase of a HPLC column. The newly developed column (SWNT-column) worked as a powerful tool for ranking the interactions between the SWNTs and molecules with a high precision. We describe the binding affinity analysis of polyaromatic hydrocarbons onto the surfaces of SWNTs. The obtained ranking is determined in the order of benzene < naphthalene < biphenyl < fluorene < phenanthrene < anthracenepyrene < triphenylene < p-terphenyl < tetraphene < tetracene.

Graphical abstract: Evaluation of affinity of molecules for carbon nanotubes

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Publication details

The article was received on 20 Jan 2011, accepted on 16 Mar 2011 and first published on 03 May 2011


Article type: Paper
DOI: 10.1039/C1NR10079C
Citation: Nanoscale, 2011,3, 2517-2522
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    Evaluation of affinity of molecules for carbon nanotubes

    J. Yoo, H. Ozawa, T. Fujigaya and N. Nakashima, Nanoscale, 2011, 3, 2517
    DOI: 10.1039/C1NR10079C

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