Pulsed laser irradiation of colloidal nanoparticles: A new synthesis route for the production of non-equilibrium bimetallic alloy submicrometer spheres

Zaneta Swiatkowska-Warkocka; Kenji Koga; Kenji Kawaguchi; Hongqiang Wang; Alexander Pyatenko; Naoto Koshizaki

doi:10.1039/c2ra22119e

Pulsed laser irradiation of colloidal nanoparticles: A new synthesis route for the production of non-equilibrium bimetallic alloy submicrometer spheres

Zaneta Swiatkowska-Warkocka, Kenji Koga, Kenji Kawaguchi, Hongqiang Wang, Alexander Pyatenko, Naoto Koshizaki

National Institute of Advanced Industrial Science and Technology

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

62 Scopus citations

Abstract

A new one-step approach was developed to synthesize bimetallic alloy submicrometer spheres, which are immiscible under equilibrium, using AuCo as a model system. Uniform, single-phase AuCo alloy submicrometer particles (∼230 nm) with a well-defined spherical morphology were successfully formed via pulsed laser irradiation of Au and Co-oxides nanoparticles dispersed in ethanol and characterized with a combination of electron microscopy, diffraction and magnetization measurements.

Original language	English
Pages (from-to)	79-83
Number of pages	5
Journal	RSC Advances
Volume	3
Issue number	1
DOIs	https://doi.org/10.1039/c2ra22119e
State	Published - 7 Jan 2013
Externally published	Yes

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abstract = "A new one-step approach was developed to synthesize bimetallic alloy submicrometer spheres, which are immiscible under equilibrium, using AuCo as a model system. Uniform, single-phase AuCo alloy submicrometer particles (∼230 nm) with a well-defined spherical morphology were successfully formed via pulsed laser irradiation of Au and Co-oxides nanoparticles dispersed in ethanol and characterized with a combination of electron microscopy, diffraction and magnetization measurements.",

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AU - Kawaguchi, Kenji

AU - Wang, Hongqiang

AU - Pyatenko, Alexander

AU - Koshizaki, Naoto

PY - 2013/1/7

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AB - A new one-step approach was developed to synthesize bimetallic alloy submicrometer spheres, which are immiscible under equilibrium, using AuCo as a model system. Uniform, single-phase AuCo alloy submicrometer particles (∼230 nm) with a well-defined spherical morphology were successfully formed via pulsed laser irradiation of Au and Co-oxides nanoparticles dispersed in ethanol and characterized with a combination of electron microscopy, diffraction and magnetization measurements.

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Pulsed laser irradiation of colloidal nanoparticles: A new synthesis route for the production of non-equilibrium bimetallic alloy submicrometer spheres

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