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
Chemical Communications2005Iss. 43, pp. 5429–5429
Citations Over TimeTop 10% of 2005 papers
Lei Zhang, Jun Zhang, Nicolaus Schmandt, Justin Cratty, Valéry N. Khabashesku, Kevin F. Kelly, Andrew R. Barron
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.
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