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Conference Paper: Synthesis and characterization of silica-encapsulated iron oxide nanoparticles
Title | Synthesis and characterization of silica-encapsulated iron oxide nanoparticles |
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Authors | |
Keywords | Core-shell nanoparticles Iron oxide nanoparticles Magnetic particle imaging (MPI) Microemulsion |
Issue Date | 2014 |
Publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20 |
Citation | The 3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), Taiwan, 21-25 July 2013. In IEEE Transactions on Magnetics, 2014, v. 50 n. 1, p. article no. 2272215 How to Cite? |
Abstract | The properties of magnetic core-shell nanoparticles greatly depend on their core sizes and shell materials. Silica shell can prevent the magnetic nanoparticles from corrosion and agglomeration. In addition, the hydrolyzed silica can provide silanol groups to facilitate surface biofunctionalization. In this paper, superparamagnetic Fe3O4 nanoparticles coated with SiO2 shell were prepared by a one-pot water-in-oil microemulsion method. Transmission electron microscopy (TEM), scanning electron microscopy (SEM), and vibrating sample magnetometry (VSM) were utilized to characterize the morphology and magnetic properties of the synthesized nanoparticles. The results indicated that by tuning the water/surfactant molar ratio (Wo) of the microemulsion system, core size of the resulting Fe3O4 nanoparticles can be altered. The size-controllable silica-encapsulated Fe3O4 superparamagnetic nanoparticles have great potential to be applied as multifunctional tracer materials for magnetic particle imaging (MPI). |
Description | Session PD: Structured Materials |
Persistent Identifier | http://hdl.handle.net/10722/186750 |
ISSN | 2023 Impact Factor: 2.1 2023 SCImago Journal Rankings: 0.729 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Du, Y | en_US |
dc.contributor.author | Li, L | en_US |
dc.contributor.author | Leung, CW | en_US |
dc.contributor.author | Lai, PT | en_US |
dc.contributor.author | Pong, PWT | en_US |
dc.date.accessioned | 2013-08-20T12:19:22Z | - |
dc.date.available | 2013-08-20T12:19:22Z | - |
dc.date.issued | 2014 | en_US |
dc.identifier.citation | The 3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), Taiwan, 21-25 July 2013. In IEEE Transactions on Magnetics, 2014, v. 50 n. 1, p. article no. 2272215 | en_US |
dc.identifier.issn | 0018-9464 | - |
dc.identifier.uri | http://hdl.handle.net/10722/186750 | - |
dc.description | Session PD: Structured Materials | - |
dc.description.abstract | The properties of magnetic core-shell nanoparticles greatly depend on their core sizes and shell materials. Silica shell can prevent the magnetic nanoparticles from corrosion and agglomeration. In addition, the hydrolyzed silica can provide silanol groups to facilitate surface biofunctionalization. In this paper, superparamagnetic Fe3O4 nanoparticles coated with SiO2 shell were prepared by a one-pot water-in-oil microemulsion method. Transmission electron microscopy (TEM), scanning electron microscopy (SEM), and vibrating sample magnetometry (VSM) were utilized to characterize the morphology and magnetic properties of the synthesized nanoparticles. The results indicated that by tuning the water/surfactant molar ratio (Wo) of the microemulsion system, core size of the resulting Fe3O4 nanoparticles can be altered. The size-controllable silica-encapsulated Fe3O4 superparamagnetic nanoparticles have great potential to be applied as multifunctional tracer materials for magnetic particle imaging (MPI). | - |
dc.language | eng | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20 | - |
dc.relation.ispartof | IEEE Transactions on Magnetics | en_US |
dc.subject | Core-shell nanoparticles | - |
dc.subject | Iron oxide nanoparticles | - |
dc.subject | Magnetic particle imaging (MPI) | - |
dc.subject | Microemulsion | - |
dc.title | Synthesis and characterization of silica-encapsulated iron oxide nanoparticles | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Lai, PT: laip@eee.hku.hk | en_US |
dc.identifier.email | Pong, PWT: ppong@eee.hku.hk | en_US |
dc.identifier.authority | Lai, PT=rp00130 | en_US |
dc.identifier.authority | Pong, PWT=rp00217 | en_US |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/TMAG.2013.2272215 | - |
dc.identifier.scopus | eid_2-s2.0-84904317010 | - |
dc.identifier.hkuros | 220186 | en_US |
dc.identifier.hkuros | 219742 | - |
dc.identifier.volume | 50 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | article no. 2272215 | - |
dc.identifier.epage | article no. 2272215 | - |
dc.identifier.isi | WOS:000330026800039 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0018-9464 | - |