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|Title:||Synthesis and properties of Au-Fe 3O 4 heterostructured nanoparticles|
Fe 3O 4
|Citation:||Sheng, Y., Xue, J. (2012-05-15). Synthesis and properties of Au-Fe 3O 4 heterostructured nanoparticles. Journal of Colloid and Interface Science 374 (1) : 96-101. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcis.2012.01.034|
|Abstract:||Au-Fe 3O 4 composite nanoparticles have received much research interest due to their promising biomedical applications. In this work, Au-Fe 3O 4 composites with well-defined dimer-like nanostructure were synthesized via thermal decomposition route. The surfactant 1,2-hexandicandiol has proved to be critical for the formation of the Au-Fe 3O 4 hetero-dimers. The hetero-dimers production yield could be significantly improved to be 90% when the 1,2-hexandicandiol concentration was optimized at 0.6M. The obtained Au-Fe 3O 4 hetero-dimers possess dual-functionalities of plasmon resonance and magnetization. Moreover, the Fe 3O 4 domain of the hetero-dimers can be tuned readily by adjusting the molar ratio between Fe and Au sources. Furthermore, it was demonstrated that these Au-Fe 3O 4 hetero-dimers could be further developed into star-like Au-Fe 3O 4 nanoparticles which showed plasmon absorption at NIR region. © 2012 Elsevier Inc.|
|Source Title:||Journal of Colloid and Interface Science|
|Appears in Collections:||Staff Publications|
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