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Synthesis of Fe Oxide Core/Au Shell Nanoparticles by Iterative Hydroxylamine Seeding
Abstract
Water-soluble, Au-coated magnetic Fe oxide nanoparticles with diameters ∼60 nm were synthesized by the reduction of Au 3+ onto the surfaces of ∼9 nm diameter particles consisting of either γ-Fe 2 O 3 or partially oxidized Fe 3 O 4 via iterative hydroxylamine seeding. The morphology and optical properties of the core/shell particles are dependent on the quantity of deposited Au, while the magnetic properties remain largely independent of Au addition. The Au-coated particles exhibit a surface plasmon resonance peak that blue-shifts from 570 to 525 nm with increasing Au deposition. SQUID magnetometry reveals that particle magnetic properties are not affected by the overlayer of a moderately thick Au shell.
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Cited by
Laurent, S., Forge, D., Port, M., Roch, A., Robic, C., Vander Elst, L., & Muller, R. N. (2008) · Chemical Reviews · doi:10.1021/cr068445e · Cited by 6,852
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Laurent, S., Dutz, S., Häfeli, U. O., & Mahmoudi, M. (2011) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2011.04.003 · Cited by 1,326
Lee, N., & Hyeon, T. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15248c · Cited by 995
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Krishnan, K. M. (2010) · IEEE Transactions on Magnetics · doi:10.1109/tmag.2010.2046907 · Cited by 819
Villaraza, A. J. L., Bumb, A., & Brechbiel, M. W. (2010) · Chemical Reviews · doi:10.1021/cr900232t · Cited by 632
Magnetic solids in analytical chemistry: A review
Aguilar-Arteaga, K., Rodriguez, J. A., & Barrado, E. (2010) · Analytica Chimica Acta · doi:10.1016/j.aca.2010.06.043 · Cited by 414
Cao, S.-W., Zhu, Y.-J., Ma, M.-Y., Li, L., & Zhang, L. (2008) · The Journal of Physical Chemistry C · doi:10.1021/jp077468+ · Cited by 342
Core/Shell Gold Nanoparticles by Self-Assembly and Crosslinking of Micellar, Block-Copolymer Shells
Kang, Y., & Taton, T. A. (2005) · Angewandte Chemie International Edition · doi:10.1002/anie.200461119 · Cited by 316
Wang, B., Yantsen, E., Larson, T., Karpiouk, A. B., Sethuraman, S., Su, J. L., Sokolov, K., & Emelianov, S. Y. (2009) · Nano Letters · doi:10.1021/nl801852e · Cited by 208
Kotha, R., Fernandes, G., Nikam, A. N., Kulkarni, S., Pandey, A., Pandey, S., & Mutalik, S. (2020) · Materials Science and Technology · doi:10.1080/02670836.2020.1832323 · Cited by 17
Metadata
- Authors
- Lyon, J. L., Fleming, D. A., Stone, M. B., Schiffer, P., & Williams, M. E.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-03-20
- Volume
- 4
- Issue
- 4
- Pages
- 719-723
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2029662794
- Cited by
- 585
- References
- 0
- FWCI
- 14.78
- Type
- journal article
- Language
- en
- Open access
- closed
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