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Synthesis, Characterization, and Tunable Optical Properties of Hollow Gold Nanospheres
Abstract
Nearly monodisperse hollow gold nanospheres (HGNs) with tunable interior and exterior diameters have been synthesized by sacrificial galvanic replacement of cobalt nanoparticles. It is possible to tune the peak of the surface plasmon band absorption between 550 and 820 nm by carefully controlling particle size and wall thickness. Cobalt particle size is tunable by simultaneously changing the concentration of sodium borohydride and sodium citrate, the reducing and capping agent, respectively. The thickness of the gold shell can be varied by carefully controlling the addition of gold salt. With successful demonstration of ensemble as well as single HGN surface-enhanced Raman scattering, these HGNs have shown great potential for chemical and biological sensing applications, especially those requiring nanostructures with near-IR absorption.
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Citations
Cited by
Gold Nanorods: From Synthesis and Properties to Biological and Biomedical Applications
Huang, X., Neretina, S., & El‐Sayed, M. A. (2009) · Advanced Materials · doi:10.1002/adma.200802789 · Cited by 1,921
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
SERS Nanoparticles in Medicine: From Label-Free Detection to Spectroscopic Tagging
Lane, L. A., Qian, X., & Nie, S. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00265 · Cited by 873
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
Metadata
- Authors
- Schwartzberg, A. M., Olson, T. Y., Talley, C. E., & Zhang, J. Z.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-06-29
- Volume
- 110
- Issue
- 40
- Pages
- 19935-19944
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1976165472
- Cited by
- 508
- References
- 0
- FWCI
- 11.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Schwartzberg, A. M., Olson, T. Y., Talley, C. E., & Zhang, J. Z. (2006). Synthesis, Characterization, and Tunable Optical Properties of Hollow Gold Nanospheres. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp062136a
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