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Facile Synthesis and One-Dimensional Assembly of Cyclodextrin-Capped Gold Nanoparticles and Their Applications in Catalysis and Surface-Enhanced Raman Scattering
Abstract
Controlled synthesis of Au nanoparticles with adjustable sizes (10−50 nm) and narrow size distributions (<10% in standard deviation) was realized by reducing hydrochloroauric acid with α-cyclodextrin (α-CD) in an alkaline aqueous solution, which was very simple and “green”. It was revealed that a proper pH was essential to the formation of stable dispersions of nonaggregated Au nanoparticles and a higher pH would lead to the welding of the Au nanoparticles into one-dimensional (1D) wires or three-dimensional (3D) aggregates. Moreover, 1D assembly of α-CD-capped Au nanoparticles into nanochains was readily induced by partial removal of the organic stabilization shell, which resulted from the host−guest interactions between α-CDs capped on Au nanoparticle surfaces and toluene molecules. Finally, the as-prepared Au nanoparticles were found to serve as effective catalyst to activate the reduction of 4-nitrophenol in the presence of NaBH 4, and the application of the assembled Au nanoparticle thin film as a substrate for surface-enhanced Raman scattering (SERS) was also demonstrated.
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Cites
Raman spectra of pyridine adsorbed at a silver electrode
Fleischmann, M., Hendra, P. J., & McQuillan, A. J. (1974) · Chemical Physics Letters · doi:10.1016/0009-2614(74)85388-1 · Cited by 7,172
Cited by
Surface-enhanced Raman spectroscopy (SERS): progress and trends
Cialla, D., März, A., Böhme, R., Theil, F., Weber, K., Schmitt, M., & Popp, J. (2012) · Analytical and Bioanalytical Chemistry · doi:10.1007/s00216-011-5631-x · Cited by 931
Zhao, P., Feng, X., Huang, D., Yang, G., & Astruc, D. (2015) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2015.01.002 · Cited by 827
Zhao, Y., Huang, Y., Zhu, H., Zhu, Q., & Xia, Y. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b07590 · Cited by 346
Wen, D., Liu, W., Haubold, D., Zhu, C., Oschatz, M., Holzschuh, M., Wolf, A., Simon, F., Kaskel, S., & Eychmüller, A. (2016) · ACS Nano · doi:10.1021/acsnano.5b07505 · Cited by 207
Metadata
- Authors
- Huang, T., Meng, F., & Qi, L.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-07-02
- Volume
- 113
- Issue
- 31
- Pages
- 13636-13642
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2156329872
- Cited by
- 245
- References
- 1
- FWCI
- 6.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Huang, T., Meng, F., & Qi, L. (2009). Facile Synthesis and One-Dimensional Assembly of Cyclodextrin-Capped Gold Nanoparticles and Their Applications in Catalysis and Surface-Enhanced Raman Scattering. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp903405y
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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