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Improved Size-Tunable Synthesis of Monodisperse Gold Nanorods through the Use of Aromatic Additives
Abstract
We report an improved synthesis of colloidal gold nanorods (NRs) by using aromatic additives that reduce the concentration of hexadecyltrimethylammonium bromide surfactant to ~0.05 M as opposed to 0.1 M in well-established protocols. The method optimizes the synthesis for each of the 11 additives studied, allowing a rich array of monodisperse gold NRs with longitudinal surface plasmon resonance tunable from 627 to 1246 nm to be generated. The gold NRs form large-area ordered assemblies upon slow evaporation of NR solution, exhibiting liquid crystalline ordering and several distinct local packing motifs that are dependent upon the NR's aspect ratio. Tailored synthesis of gold NRs with simultaneous improvements in monodispersity and dimensional tunability through rational introduction of additives will not only help to better understand the mechanism of seed-mediated growth of gold NRs but also advance the research on plasmonic metamaterials incorporating anisotropic metal nanostructures.
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Citations
Cited by
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
The Quest for Shape Control: A History of Gold Nanorod Synthesis
Lohse, S. E., & Murphy, C. J. (2013) · Chemistry of Materials · doi:10.1021/cm303708p · Cited by 649
Nanoparticle decoration with surfactants: Molecular interactions, assembly, and applications
Heinz, H., Pramanik, C., Heinz, O., Ding, Y., Mishra, R. K., Marchon, D., Flatt, R. J., Estrela-Lopis, I., Llop, J., Moya, S., et al. (2017) · Surface Science Reports · doi:10.1016/j.surfrep.2017.02.001 · Cited by 608
A “Tips and Tricks” Practical Guide to the Synthesis of Gold Nanorods
Scarabelli, L., Sánchez-Iglesias, A., Pérez-Juste, J., & Liz-Marzán, L. M. (2015) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.5b02123 · Cited by 574
Femtosecond laser reshaping yields gold nanorods with ultranarrow surface plasmon resonances
González-Rubio, G., Díaz-Núñez, P., Rivera, A., Prada, A., Tardajos, G., González-Izquierdo, J., Bañares, L., Llombart, P., Macdowell, L. G., Alcolea Palafox, M., et al. (2017) · Science · doi:10.1126/science.aan8478 · Cited by 300
Metadata
- Authors
- Ye, X., Jin, L., Caglayan, H., Chen, J., Xing, G., Zheng, C., Doan-Nguyen, V., Kang, Y., Engheta, N., Kagan, C. R., & Murray, C. B.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-03-07
- Volume
- 6
- Issue
- 3
- Pages
- 2804-2817
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W1964250581
- Cited by
- 848
- References
- 0
- FWCI
- 28.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ye, X., Jin, L., Caglayan, H., Chen, J., Xing, G., Zheng, C., Doan-Nguyen, V., Kang, Y., Engheta, N., Kagan, C. R., & Murray, C. B. (2012). Improved Size-Tunable Synthesis of Monodisperse Gold Nanorods through the Use of Aromatic Additives. ACS Nano. https://doi.org/10.1021/nn300315j
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