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Title: Stabilization of 4H hexagonal phase in gold nanoribbons
Authors: Fan, Zhanxi
Bosman, Michel
Huang, Xiao
Huang, Ding
Yu, Yi
Ong, Khuong P.
Akimov, Yuriy A.
Wu, Lin
Li, Bing
Wu, Jumiati
Huang, Ying
Liu, Qing
Png, Ching Eng
Gan, Chee Lip
Yang, Peidong
Zhang, Hua
Keywords: Inorganic Chemistry
Nanoscale Materials
Issue Date: 2015
Source: Fan, Z., Bosman, M., Huang, X., Huang, D., Yu, Y., Ong, K. P., . . . Zhang, H. (2015). Stabilization of 4H hexagonal phase in gold nanoribbons. Nature Communications, 6, 7684-. doi:10.1038/ncomms8684
Series/Report no.: Nature Communications
Abstract: Gold, silver, platinum and palladium typically crystallize with the face-centred cubic structure. Here we report the high-yield solution synthesis of gold nanoribbons in the 4H hexagonal polytype, a previously unreported metastable phase of gold. These gold nanoribbons undergo a phase transition from the original 4H hexagonal to face-centred cubic structure on ligand exchange under ambient conditions. Using monochromated electron energy-loss spectroscopy, the strong infrared plasmon absorption of single 4H gold nanoribbons is observed. Furthermore, the 4H hexagonal phases of silver, palladium and platinum can be readily stabilized through direct epitaxial growth of these metals on the 4H gold nanoribbon surface. Our findings may open up new strategies for the crystal phase-controlled synthesis of advanced noble metal nanomaterials.
DOI: 10.1038/ncomms8684
Rights: © 2015 Macmillan Publishers Limited. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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