A novel colloidal method is presented to synthesize silver nanoparticles on aluminosilicate nanotubes. The technique involves decomposition of AgNO3 solution to Ag nanoparticles in the presence of aluminosilicate nanotubes at room temperature without utilizing of reducing agents or any organic additives. Aluminosilicate nanotubes are shown to be capable of providing a unique chemical environment, not only for in situ conversion of Ag+ into Ag0, but also for stabilization and immobilization of Ag nanoparticles. The synthesis strategy described here could be implemented to obtain self-assembled nanoparticles on other single-walled metal oxide nanotubes for unique applications. Finally, we demonstrated that nanotube/nanoparticle hybrid show strong antibacterial activity toward Gram-positive Staphylococcus epidermidis and Gram-negative Escherichia coli.
G. I. Yucelen et al., "Synthesis and Immobilization of Silver Nanoparticles on Aluminosilicate Nanotubes and Their Antibacterial Properties," Applied Nanoscience, vol. 6, no. 4, pp. 607 - 614, Springer Verlag, Apr 2016.
The definitive version is available at https://doi.org/10.1007/s13204-015-0467-x
Missouri University of Science and Technology. Materials Research Center
Keywords and Phrases
Nanotube; Metal Oxide; Metal; Nanoparticle; Antibacterial
International Standard Serial Number (ISSN)
Article - Journal
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01 Apr 2016