Issue 6, 2011
From the journal:

Nanoscale

Evaluation of affinity of molecules for carbon nanotubes†

JongTae Yoo,a   Hiroaki Ozawa,a   Tsuyohiko Fujigaya*a  and  Naotoshi Nakashima*ab  

* Corresponding authors

a Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan
E-mail: nakashima-tcm@mail.cstm.kyushu-u.ac.jp
Fax: +81-92-802-2840
Tel: +81-92-802-2840

b JST-CREST, 5 Sanbancho, Chiyoda-ku, Tokyo, Japan

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 < anthracene ∼ pyrene < triphenylene < p-terphenyl < tetraphene < tetracene.

Graphical abstract: Evaluation of affinity of molecules for carbon nanotubes

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Article information

DOI
https://doi.org/10.1039/C1NR10079C
Article type
Paper
Submitted
20 Jan 2011
Accepted
16 Mar 2011
First published
03 May 2011

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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