Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 24, Pages 8605-8611Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm10922g
Keywords
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [1313]
- Center for Complex Matter (COMATT)
- Deutsche Akademischer Austauschdienst (DAAD)
- Carl-Zeiss
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Cu@Fe3O4 heteroparticles with distinct morphologies were synthesized from organometallic reactants. The shape of the magnetic domains could be controlled by the solvent and reaction conditions. They display magnetic and optical properties that are useful for simultaneous magnetic and optical detection. After functionalization, the Cu@Fe3O4 heterodimers become water soluble. The morphology, structure, magnetic and optical properties of the as-synthesized heterodimer nanoparticles were characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD), mossbauer spectroscopy, superconducting quantum interference device (SQUID) magnetometry, and dark field imaging. A special advantage of these heterodimers lies in the fact that the nanodomains of different composition can be used e.g. for the formation of nitric oxide (NO) through the Cu domain and heterodimer nanoparticles can be removed from the reaction mixture by means of the magnetic domain (Fe3O4).
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