Issue 43, 2005
From the journal:

Chemical Communications

AFM and STM characterization of thiol and thiophene functionalized SWNTs: pitfalls in the use of chemical markers to determine the extent of sidewall functionalization in SWNTs†

Lei Zhang,a   Jun Zhang,b   Nicolaus Schmandt,a   Justin Cratty,a   Valery N. Khabashesku,ac   Kevin F. Kelly*bc  and  Andrew R. Barron*ac  

* Corresponding authors

a Department of Chemistry, Rice University, Houston, Texas 77005, USA
E-mail: arb@rice.edu
Web: www.rice.edu/barron
Fax: (713) 348-5619
Tel: (713) 348-5610

b Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA

c Center for Nanoscale Science and Technology, Rice University, Houston, Texas 77005, USA

Abstract

Thiol- and thiophene-functionalized SWNTs prepared via the reaction of a substituted amine with fluoronanotubes show similar levels of sidewall functionalization, however, the use of Au nanoparticles as chemical markers for AFM gives misleading results for substituent distribution since STM shows the thiol substituents grouped in bands while the thiophene substituents uniformly distributed along the SWNTs.

Graphical abstract: AFM and STM characterization of thiol and thiophene functionalized SWNTs: pitfalls in the use of chemical markers to determine the extent of sidewall functionalization in SWNTs

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Article information

DOI
https://doi.org/10.1039/B509257D
Article type
Communication
Submitted
30 Jun 2005
Accepted
13 Sep 2005
First published
04 Oct 2005

Chem. Commun., 2005, 5429-5431

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AFM and STM characterization of thiol and thiophene functionalized SWNTs: pitfalls in the use of chemical markers to determine the extent of sidewall functionalization in SWNTs

L. Zhang, J. Zhang, N. Schmandt, J. Cratty, V. N. Khabashesku, K. F. Kelly and A. R. Barron, Chem. Commun., 2005, 5429 DOI: 10.1039/B509257D

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