Cart (Loading....) | Create Account
Close category search window
 

Synthetic characterization and surface modification of FePt nanoparticles

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Wei, D.H. ; Institute of Manufacturing Technology and Department of Mechanical Engineering, National Taipei University of Technology, Taipei 106, Taiwan ; Yao, Y.D.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3535271 

Monodispersive FePt magnetic nanoparticles (NPs) with hydrophobic ligand were chemically synthesized and with controllable surface-functional properties. In order to compare and obtain the high saturation magnetization of FePt NPs, the synthesized solvents were changed from octyl to phenyl ether leading to effectively increase magnetization due to the increased particle size and isolated distance of each NPs. The surface modification of FePt NPs by using mercaptoacetic acid (thiol) and 11-mercaptoundecanoic acid (MUA) as a phase transfer reagent through ligand-exchange turned the NPs hydrophilic, and the FePt NPs were water-dispersible. Transmission electron microscopy images indicate that the NPs are slightly agglomerate after ligand-exchange. Fourier transform infrared spectroscopy (FTIR) spectra suggest that thiol and MUA functional group bond to the FePt atoms of the surface. The water-dispersible FePt NPs used as heating agents could reach the demand of biocompatibility and provide heat response for magnetically induced hyperthermia in biological fields.

Published in:

Journal of Applied Physics  (Volume:109 ,  Issue: 7 )

Date of Publication:

Apr 2011

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.