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Synthesis of Pd−Au Bimetallic Nanocrystals via Controlled Overgrowth
Abstract
This paper describes the synthesis of Pd-Au bimetallic nanocrystals with controlled morphologies via a one-step seeded-growth method. Two different reducing agents, namely, L-ascorbic acid and citric acid, were utilized for the reduction of HAuCl(4) in an aqueous solution to control the overgrowth of Au on cubic Pd seeds. When L-ascorbic acid was used as the reducing agent, conformal overgrowth of Au on the Pd nanocubes led to the formation of Pd-Au nanocrystals with a core-shell structure. On the contrary, localized overgrowth of Au was observed when citric acid was used as the reducing agent, producing Pd-Au bimetallic dimers. Through this morphological control, we were able to tune the localized surface plasmon resonance peaks of Pd-Au bimetallic nanostructures in the visible region.
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Citations
Cited by
Colloidal heterostructured nanocrystals: Synthesis and growth mechanisms
Carbone, L., & Cozzoli, P. D. (2010) · Nano Today · doi:10.1016/j.nantod.2010.08.006 · Cited by 691
Synthesis and catalytic properties of bimetallic nanomaterials with various architectures
Liu, X., Wang, D., & Li, Y. (2012) · Nano Today · doi:10.1016/j.nantod.2012.08.003 · Cited by 538
Thermodynamics versus Kinetics in Nanosynthesis
Wang, Y., He, J., Liu, C., Chong, W. H., & Chen, H. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201402986 · Cited by 497
Lu, C.-L., Prasad, K. S., Wu, H.-L., Ho, J.-A. A., & Huang, M. H. (2010) · Journal of the American Chemical Society · doi:10.1021/ja105401p · Cited by 389
Gomathi Devi, L., & Kavitha, R. (2016) · Applied Surface Science · doi:10.1016/j.apsusc.2015.11.016 · Cited by 359
Metadata
- Authors
- Lim, B., Kobayashi, H., Yu, T., Wang, J., Kim, M. J., Li, Z.-Y., Rycenga, M., & Xia, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-02-05
- Volume
- 132
- Issue
- 8
- Pages
- 2506-2507
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1986214710
- Cited by
- 265
- References
- 0
- FWCI
- 12.91
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lim, B., Kobayashi, H., Yu, T., Wang, J., Kim, M. J., Li, Z.-Y., Rycenga, M., & Xia, Y. (2010). Synthesis of Pd−Au Bimetallic Nanocrystals via Controlled Overgrowth. Journal of the American Chemical Society. https://doi.org/10.1021/ja909787h
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