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Controlled Synthesis of Magnetite−Silica Nanocomposites via a Seeded Sol−Gel Approach
Abstract
Magnetite−silica nanocomposites were controllably synthesized by a sol−gel approach, using electrostatically stabilized magnetite nanoparticles as seeds. By virtue of the complexation occurring between the iron ions on the magnetic nanoparticles and the citrate groups, highly stable magnetic fluid (MF) containing well-dispersed magnetite nanoparticles can be obtained. Controlling the surface modification degree, magnetite nanoparticles charged with different amount of citrate groups can be obtained for coating process with silica through the seeded sol−gel approach, and magnetite−silica nanocomposites with morphologies including irregular clusters, core−shell particles can be synthesized. Moreover, silica−magnetite particles with well-defined core−shell structure and controllable silica thickness can be synthesized.
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Citations
Cited by
Colloidal heterostructured nanocrystals: Synthesis and growth mechanisms
Carbone, L., & Cozzoli, P. D. (2010) · Nano Today · doi:10.1016/j.nantod.2010.08.006 · Cited by 691
Nigam, S., Barick, K. C., & Bahadur, D. (2011) · Journal of Magnetism and Magnetic Materials · doi:10.1016/j.jmmm.2010.09.009 · Cited by 417
Surface modification of Fe3O4@SiO2 microsphere by silane coupling agent
Ahangaran, F., Hassanzadeh, A., & Nouri, S. (2013) · International Nano Letters · doi:10.1186/2228-5326-3-23 · Cited by 310
Supraparticles: Functionality from Uniform Structural Motifs
Wintzheimer, S., Granath, T., Oppmann, M., Kister, T., Thai, T., Kraus, T., Vogel, N., & Mandel, K. (2018) · ACS Nano · doi:10.1021/acsnano.8b00873 · Cited by 253
Iron oxide-silica nanocomposites yielded by chemical route and sol–gel method
Puscasu, E., Sacarescu, L., Lupu, N., Grigoras, M., Oanca, G., Balasoiu, M., & Creanga, D. (2016) · Journal of Sol-Gel Science and Technology · doi:10.1007/s10971-016-3996-1 · Cited by 18
Metadata
- Authors
- Yang, D., Hu, J., & Fu, S.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-04-14
- Volume
- 113
- Issue
- 18
- Pages
- 7646-7651
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2092803084
- Cited by
- 188
- References
- 0
- FWCI
- 4.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, D., Hu, J., & Fu, S. (2009). Controlled Synthesis of Magnetite−Silica Nanocomposites via a Seeded Sol−Gel Approach. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp900868d
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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