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One-pot synthesis of monodisperse CoFe2O4@Ag core-shell nanoparticles and their characterization.

ABSTRACT: In recent years, monodispersed magnetic nanoparticles with a core/shell structure are expected for their wide applications including magnetic fluid, recoverable catalysts, and biological analysis. However, their synthesis method needs numerous processes such as solvent substitution, exchange of protective agents, and centrifugation. A simple and rapid method for the synthesis of monodispersed core-shell nanoparticles makes it possible to accelerate their further applications. This paper describes a simple and rapid one-pot synthesis of core (CoFe2O4)-shell (Ag) nanoparticles with high monodispersity. The synthesized nanoparticles showed plasmonic light absorption owing to the Ag shell. Moreover, the magnetic property of the nanoparticles had a soft magnetic behavior at room temperature and a hard magnetic behavior at 5 K. In addition, the nanoparticles showed high monodispersity with a low polydispersity index (PDI) value of 0.083 in hexane.

SUBMITTER: Hara S 

PROVIDER: S-EPMC5993709 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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One-pot synthesis of monodisperse CoFe<sub>2</sub>O<sub>4</sub>@Ag core-shell nanoparticles and their characterization.

Hara Shuta S   Aisu Jumpei J   Kato Masahiro M   Aono Takashige T   Sugawa Kosuke K   Takase Kouichi K   Otsuki Joe J   Shimizu Shigeru S   Ikake Hiroki H  

Nanoscale research letters 20180608 1

In recent years, monodispersed magnetic nanoparticles with a core/shell structure are expected for their wide applications including magnetic fluid, recoverable catalysts, and biological analysis. However, their synthesis method needs numerous processes such as solvent substitution, exchange of protective agents, and centrifugation. A simple and rapid method for the synthesis of monodispersed core-shell nanoparticles makes it possible to accelerate their further applications. This paper describe  ...[more]

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