Magnetic core/shell Fe3O4/Au and Fe3O 4/Au/Ag nanoparticles with tunable plasmonic properties

Zhichuan Xu; Yanglong Hou; Shouheng Sun

doi:10.1021/ja073057v

Magnetic core/shell Fe₃O₄/Au and Fe₃O ₄/Au/Ag nanoparticles with tunable plasmonic properties

Zhichuan Xu, Yanglong Hou, Shouheng Sun^*

^*Corresponding author for this work

Brown University

Research output: Contribution to journal › Article › peer-review

880 Citations (Scopus)

Abstract

Core/shell structured Fe₃O₄/Au and Fe₃O₄/Au/Ag nanoparticles are synthesized by depositing Au and Ag on the Fe₃O₄ nanoparticle surface in aqueous solution at room temperature. The control on shell thickness allows the tuning of plasmonic properties of the core/shell structure to be either red-shifted (to 560 nm) or blue-shifted (to 501 nm). Such magneto-optical nanoparticles should have great potentials for nanoparticle-based diagnostic and therapeutic applications.

Original language	English
Pages (from-to)	8698-8699
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	129
Issue number	28
DOIs	https://doi.org/10.1021/ja073057v
Publication status	Published - Jul 18 2007
Externally published	Yes

ASJC Scopus Subject Areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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abstract = "Core/shell structured Fe3O4/Au and Fe3O4/Au/Ag nanoparticles are synthesized by depositing Au and Ag on the Fe3O4 nanoparticle surface in aqueous solution at room temperature. The control on shell thickness allows the tuning of plasmonic properties of the core/shell structure to be either red-shifted (to 560 nm) or blue-shifted (to 501 nm). Such magneto-optical nanoparticles should have great potentials for nanoparticle-based diagnostic and therapeutic applications.",

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AB - Core/shell structured Fe3O4/Au and Fe3O4/Au/Ag nanoparticles are synthesized by depositing Au and Ag on the Fe3O4 nanoparticle surface in aqueous solution at room temperature. The control on shell thickness allows the tuning of plasmonic properties of the core/shell structure to be either red-shifted (to 560 nm) or blue-shifted (to 501 nm). Such magneto-optical nanoparticles should have great potentials for nanoparticle-based diagnostic and therapeutic applications.

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Magnetic core/shell Fe₃O₄/Au and Fe₃O ₄/Au/Ag nanoparticles with tunable plasmonic properties

Abstract

ASJC Scopus Subject Areas

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