Journal
FARADAY DISCUSSIONS
Volume 191, Issue -, Pages 215-227Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6fd00028b
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Funding
- Spanish Ministry of Economy and Competitiveness
- European Social Funds [MAT2012-35324]
- Severo Ochoa Programme for Centers of Excellence in RD [SEV-2015-0496]
- Ramon y Cajal program [RyC-2010-06082]
- Generalitat de Catalunya [2014SGR213]
- Chinese Scholarship Council [201206150053]
- COST Action [MP1202]
- U.S. Department of Energy [DE-FG02-09ER46554]
- Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division
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The 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 multicomponent, 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.
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