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Gold Hollow Nanospheres: Tunable Surface Plasmon Resonance Controlled by Interior-Cavity Sizes
Abstract
Uniform gold hollow nanospheres with tunable interior-cavity sizes were fabricated by using Co nanoparticles as sacrificial templates and varying the stoichiometric ratio of starting material HAuCl4 over the reductants. The formation of these hollow nanostructures is attributed to two subsequent reduction reactions: the initial reduction of HAuCl4 by Co nanoparticles, followed by the reduction by NaBH4. In addition, a thick layer of silica was successfully coated onto the gold hollow nanospheres. These nanostructures are extensively characterized by TEM, XRD, HRTEM, SEM, electron diffraction, energy-dispersive X-ray analysis, and UV-visible absorption spectroscopy. It is evident that the SPR peak locations corresponding to these hollow nanospheres are shifted over a region of more than 100 nm wavelength due to changes of shell thickness, which make these optically active nanostructures of great interest in both fundamental research and practical applications.
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Cited by
Synthesis, Properties, and Applications of Hollow Micro-/Nanostructures
Wang, X., Feng, J., Bai, Y., Zhang, Q., & Yin, Y. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00731 · Cited by 1,456
Gold Nanomaterials at Work in Biomedicine
Yang, X., Yang, M., Pang, B., Vara, M., & Xia, Y. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00193 · Cited by 1,162
Anisotropic Gold Nanoparticles: Synthesis, Properties, Applications, and Toxicity
Li, N., Zhao, P., & Astruc, D. (2014) · Angewandte Chemie International Edition · doi:10.1002/anie.201300441 · Cited by 962
Synthesis and Optical Properties of Hybrid and Alloy Plasmonic Nanoparticles
Cortie, M. B., & McDonagh, A. M. (2011) · Chemical Reviews · doi:10.1021/cr1002529 · Cited by 834
Versatile Types of Organic/Inorganic Nanohybrids: From Strategic Design to Biomedical Applications
Zhao, N., Yan, L., Zhao, X., Chen, X., Li, A., Zheng, D., Zhou, X., Dai, X., & Xu, F.-J. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00401 · Cited by 429
Metadata
- Authors
- Liang, H.-P., Wan, L.-J., Bai, C.-L., & Jiang, L.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-04-01
- Volume
- 109
- Issue
- 16
- Pages
- 7795-7800
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2005108316
- Cited by
- 308
- References
- 0
- FWCI
- 8.80
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liang, H.-P., Wan, L.-J., Bai, C.-L., & Jiang, L. (2005). Gold Hollow Nanospheres: Tunable Surface Plasmon Resonance Controlled by Interior-Cavity Sizes. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp045006f
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