functionalization of fe3o4 nps by silanization: use of amine (aptes) and thiol (mptms) silanes and their physical characterization

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ID: 219271
2016
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Abstract
In this paper the results concerning the synthesis of magnetite (Fe3O4) nanoparticles (NPs), their functionalization using silane derivatives, such as (3-Aminopropyl)triethoxysilane (APTES) and (3-mercaptopropyl)trimethoxysilane (MPTMS), and their exhaustive morphological and physical characterization by field emission scanning electron microscopy (FE-SEM) with energy dispersion X-ray spectrometer (EDX) analysis, AC magnetic susceptibility, UV-VIS and IR spectroscopy, and thermogravimetric (TGA) analyses are reported. Two different paths were adopted to achieve the desired functionalization: (1) the direct reaction between the functionalized organo-silane molecule and the surface of the magnetite nanoparticle; and (2) the use of an intermediate silica coating. Finally, the occurrence of both the functionalization with amino and thiol groups has been demonstrated by the reaction with ninhydrin and the capture of Au NPs, respectively.
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villa2016materialsfunctionalization Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Silvia Villa;Paola Riani;Federico Locardi;Fabio Canepa
Journal Nature Materials
Year 2016
DOI
10.3390/ma9100826
URL
http://www.mdpi.com/1996-1944/9/10/826
Keywords
electronics civil engineering (general)microscopydescriptive and experimental mechanics nuclear engineeringengineering (general) functionalized organo silane moleculestechnologyelectrical engineering

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