Synthesis and Characterization of Thiol-Capped FePt Nanomagnetic Porous Particles

Synthesis and Characterization of Thiol-Capped FePt Nanomagnetic Porous Particles

Thiol‐stabilized FePt nanoparticles can be encapsulated in a thin silica overlayer through the application of (3‐mercaptopropyl)‐trimethoxysilane as the silica precursor (see diagram). The particles exhibit the combined features of surface passivation, enhanced storage capacity, and anchored sites f...

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Veröffentlicht in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2005-10, Vol.1 (10), p.949-952
Hauptverfasser: Gao, Xin, Tam, Kin, Yu, Kai Man Kerry, Tsang, Shik Chi
Format: Artikel
Sprache:eng
Schlagworte:
alloys
colloids
Crystallization
Iron - chemistry
Kinetics
magnetic properties
Magnetics
Metal Nanoparticles - chemistry
Microscopy, Electron, Scanning
Microscopy, Electron, Transmission
nanoparticles
Nanoparticles - chemistry
Nanostructures - chemistry
Nanotechnology - instrumentation
Nanotechnology - methods
Platinum - chemistry
Porosity
silica
Spectrometry, X-Ray Emission
Sulfhydryl Compounds
Zinc Oxide - chemistry
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Zusammenfassung:Thiol‐stabilized FePt nanoparticles can be encapsulated in a thin silica overlayer through the application of (3‐mercaptopropyl)‐trimethoxysilane as the silica precursor (see diagram). The particles exhibit the combined features of surface passivation, enhanced storage capacity, and anchored sites for magnetic separation. Such particles offer great promise in (bio)catalysis and other fields.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200500159