An In-Situ Functionalization of Decanethiol Monolayer on Thin Silica Coated Superparamagnetic Iron Oxide Nanoparticles Synthesized by Non-Seeded Process

Sodipo Bashiru Kayode; Azlan Abdul Aziz

doi:10.4028/www.scientific.net/AMR.1024.300

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1024An In-Situ Functionalization of Decanethiol...

An In-Situ Functionalization of Decanethiol Monolayer on Thin Silica Coated Superparamagnetic Iron Oxide Nanoparticles Synthesized by Non-Seeded Process

Abstract:

Superparamagnetic iron oxide nanoparticles (SPION) are routinely employed in biomedical and water treatment applications due to their inherent magnetic properties. However, for these applications a surface modified and functionalized SPION is required. Herein, for the first time we present an in-situ method of functionalizing decanethiol monolayer on thin silica coated SPION synthesised via a non-seeded process. Through physico-chemical analyses the grafting of decanethiol onto the composite nanoparticles were demonstrated. The alkane functional group in the monolayer molecule attached to the silanol group of the silica shell and became the tail and binding site to the magnetic composite nanoparticles.

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Periodical:

Advanced Materials Research (Volume 1024)

Pages:

300-303

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1024.300

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Online since:

August 2014

Authors:

Sodipo Bashiru Kayode*, Azlan Abdul Aziz

Keywords:

Functionalization, Nanoparticle, Silica, SPION, Thiol

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* - Corresponding Author

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