Nano Archive

Functionalization of carbon encapsulated iron nanoparticles

Taylor, Arthur and Krupskaya, Yulia and Costa, Sara and Oswald, Steffen and Kramer, Kai and Fussel, Susanne and Klingeler, Rudiger and Buchner, Bernd and Borowiak-Palen, Ewa and Wirth, Manfred P. (2010) Functionalization of carbon encapsulated iron nanoparticles. Journal of Nanoparticle Research, 12 (2). pp. 513-519. ISSN 1388-0764 (Print) 1572-896X (Online)


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Carbon-encapsulated magnetic nanoparticles are a new class of materials where the core magnetic nanoparticle is protected from reactions with its environment by graphite shells. Having a structure similar to carbon nanotubes, these nanoparticles could be potentially functionalized using methods which are already applied to those structures. We present the effects of acidic treatments based on HCl, HNO3, and H2SO4 on these nanoparticles highlighting the impact on their magnetic and surface properties. We show that acidic treatments based on HNO3 can be successfully applied for the generation of carboxylic groups on the surface of the nanoparticles. Using methylamine as a model, we demonstrate that these functional groups can be used for further functionalization with amino-containing biomolecules via diimide-activated amidation.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:8199
Deposited By:JNCASR
Deposited On:10 Feb 2010 10:02
Last Modified:21 May 2010 10:53

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