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Title

Gold nanotriangles decorated with superparamagnetic iron oxide nanoparticles: A compositional and microstructural study

AuthorsHachtel, Jordan Adam.; Si-Ming, Yu; Lupini, Andrew R.; Pantelides, Sokrates T.; Gich, Martí ; Laromaine, Anna ; Roig Serra, Anna
KeywordsRoute
Shape-controlled synthesis
Polyol synthesis
Reduction
Nanostructures
Silver
Growth
Therapy
Nanoprisms
Nanocrystals
Issue Date1-Oct-2016
PublisherRoyal Society of Chemistry (UK)
CitationFaraday Discussions 191: 215-227 (2016)
AbstractThe combination of iron oxide and gold in a single nanoparticle results in both magnetic and plasmonic properties that can stimulate novel applications in bio-sensing, medical imaging, or therapeutics. Microwave assisted heating allows the fabrication of multi-component, multi-functional nanostructures by promoting selective heating at desired sites. Recently, we reported a microwave-assisted polyol route yielding gold nanotriangles decorated with iron oxide nanoparticles. Here, we present an in-depth microstructural and compositional characterization of the system using scanning transmission electron microscopy (STEM) and electron energy loss spectroscopy (EELS). A method to remove the iron oxide nanoparticles from the gold nanocrystals and some insights on crystal nucleation and growth mechanisms are also provided.
URIhttp://hdl.handle.net/10261/143890
DOI10.1039/c6fd00028b
ISSN1364-5498
Appears in Collections:(ICMAB) Artículos
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