Journal
NANOSCALE
Volume 3, Issue 3, Pages 1189-1194Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0nr00704h
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Funding
- National Natural Science Foundation of China [20703009, 21037031]
- Fundamental Research Funds for the Central Universities
- Higher Education of China [20070200021]
- Department of Science and Technology of Jilin Province [20082103]
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A facile synthetic route under mild conditions to the preparation of gold nanostars (GNSs) with Fe3O4 cores (Fe3O4@GNSs), possessing magnetization and tunable optical properties from the visible to near-infrared (NIR) region, was developed. Additionally, the resulting Fe3O4@ GNSs described here show good catalytic activity for the reduction of potassium ferricyanide as a model reaction. Importantly, the catalyst, Fe3O4@ GNSs, can be easily recycled with an external magnet and exhibits long-life, good reusability and stability. We also anticipated that Fe3O4@ GNSs may provide a platform for broad potential diagnostic and therapeutic biomedical applications due to its magnetization and tunable optical properties from the visible to NIR region.
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