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Synthesis and SERS Properties of Nanocrystalline Gold Octahedra Generated from Thermal Decomposition of HAuCl 4 in Block Copolymers

2006; Volume: 18; Issue: 24 Linguagem: Inglês

10.1002/adma.200601368

1521-4095

J. Zhang, Yanan Gao, Ramón A. Álvarez‐Puebla, Jillian M. Buriak, Hicham Fenniri,

Quantum Dots Synthesis And Properties

Advanced MaterialsVolume 18, Issue 24 p. 3233-3237 Communication Synthesis and SERS Properties of Nanocrystalline Gold Octahedra Generated from Thermal Decomposition of HAuCl4 in Block Copolymers† J. Zhang, J. Zhang Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorY. Gao, Y. Gao Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorR. A. Alvarez-Puebla, R. A. Alvarez-Puebla The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorJ. M. Buriak, J. M. Buriak [email protected] Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorH. Fenniri, H. Fenniri [email protected] Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this author J. Zhang, J. Zhang Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorY. Gao, Y. Gao Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorR. A. Alvarez-Puebla, R. A. Alvarez-Puebla The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorJ. M. Buriak, J. M. Buriak [email protected] Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this authorH. Fenniri, H. Fenniri [email protected] Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB T6G 2G2, Canada The National Institute for Nanotechnology (NINT), National Research Council, 11421 Saskatchewan Drive, Edmonton, AB T6G 2M9, CanadaSearch for more papers by this author First published: 11 December 2006 https://doi.org/10.1002/adma.200601368Citations: 142 † This work has been supported by the National Research Council, the National Institute for Nanotechnology, NSERC (NanoIP and Discovery Grants), the University of Alberta and CFI (Canada Research Chair to JMB, and the New Opportunities Fund) and the Genomics and Health Initiative of the NRC. We thank Julie Qian, Daniel Salamon, and Marek Malac for their assistance with SEM and TEM, as well as Shihong Xu from the Alberta Centre for Surface Engineering and Science (ACSES). Supporting Information is available online from Wiley InterScience or from the author. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Graphical Abstract Octahedral nanoparticles of gold are prepared via a short thermal decomposition of auric acid loaded polystyrene-block-poly(2-vinylpyridine) copolymer solutions. Thermal treatment of a monolayer of HAuCl4-loaded block copolymers on silicon leads to quantitative Au0 production, of which > 70 % is in the form of sub-100 nm gold octahedra (see figure). The as-synthesized arrays of gold nanoparticles are highly active for surface-enhanced Raman spectroscopy (SERS). Supporting Information Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2089/2006/c1368_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. REFERENCES 1a C. Burda, X. B. Chen, R. Narayanan, M. A. El-Sayed, Chem. Rev. 2005, 105, 1025. 1b M. A. El-Sayed, Acc. Chem. Res. 2004, 37, 326. 1c A. P. Alivisatos, Science 1996, 271, 933. 1d P. Mulvaney, Langmuir 1996, 12, 788. 1e K. L. Kelly, E. Coronado, L. L. Zhao, G. C. Schatz, J. Phys. Chem. B 2003, 107, 668. 1f L. M. Liz-Marzan, Langmuir 2006, 22, 32. 1g C. M. Murphy, T. K. Sau, A. M. Gole, C. J. Orendorff, J. Gao, L. Gou, S. E. Hunyadi, T. Li, J. Phys. Chem. 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