The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Iodide Ions Control Seed-Mediated Growth of Anisotropic Gold Nanoparticles
Open accessAbstract
There are now a variety of preparatory procedures for nanoscale gold rods, triangular prisms, and spheres. Many of these methods rely on seed-mediated approaches with cetyltrimethylammonium bromide (CTABr) as a surfactant. Interestingly, seemingly similar preparatory procedures yield very different morphologies, and although there have been a variety of proposals regarding the importance of different steps in shape control, there is no self-consistent procedure that allows one to take one batch of spherical seeds and grow either rods, prisms, or larger polyhedra in a controlled manner. In this report, it is shown that CTABr, depending upon supplier, has an iodide contaminant (at a significant but varying level), which acts as a key shape-directing element because it can strongly and selectively bind to the Au (111) facet and favor the formation of anisotropic structures. Furthermore, by starting with pure CTABr and deliberately adjusting iodide concentration, one can reproducibly drive the reaction to predominantly produce one of the three target morphologies.
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Cites
Chemistry and Properties of Nanocrystals of Different Shapes
Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Growth of nanowire superlattice structures for nanoscale photonics and electronics
Gudiksen, M. S., Lauhon, L. J., Wang, J., Smith, D. C., & Lieber, C. M. (2002) · Nature · doi:10.1038/415617a · Cited by 2,709
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
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
Colloidal Gold and Silver Triangular Nanoprisms
Millstone, J. E., Hurst, S. J., Métraux, G. S., Cutler, J. I., & Mirkin, C. A. (2009) · Small · doi:10.1002/smll.200801480 · Cited by 895
Self-citationBlack, K. C. L., Wang, Y., Luehmann, H. P., Cai, X., Xing, W., Pang, B., Zhao, Y., Cutler, C. S., Wang, L. V., Liu, Y., et al. (2014) · ACS Nano · doi:10.1021/nn406258m · Cited by 365
Making Sense of the Mayhem behind Shape Control in the Synthesis of Gold Nanoparticles
Personick, M. L., & Mirkin, C. A. (2013) · Journal of the American Chemical Society · doi:10.1021/ja408645b · Cited by 363
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Metadata
- Authors
- Millstone, J. E., Wei, W., Jones, M. R., Yoo, H., & Mirkin, C. A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07-22
- Volume
- 8
- Issue
- 8
- Pages
- 2526-2529
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W4238214941
- Cited by
- 419
- References
- 2
- FWCI
- 8.23
- Type
- journal article
- Language
- en
- Open access
- green
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- Millstone, J. E., Wei, W., Jones, M. R., Yoo, H., & Mirkin, C. A. (2008). Iodide Ions Control Seed-Mediated Growth of Anisotropic Gold Nanoparticles. Nano Letters. https://doi.org/10.1021/nl8016253
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