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Single-Crystalline Octahedral Au–Ag Nanoframes
Abstract
We report the formation of single-crystalline octahedral Au-Ag nanoframes by a modified galvanic replacement reaction. Upon sequential addition of AgNO(3), CuCl, and HAuCl(4) to octadecylamine solution, truncated polyhedral silver nanoparticles formed first and then changed into octahedral Au-Ag nanoframes, without requiring a conventional Ag removal step with additional oxidation etchant. The nanoframes have 12 sides, and all of the eight {111} faces are empty. The side grows along the [110] direction, and the diameter is less than 10 nm. The selective gold deposition on the high-energy (110) surface, the diffusion, and the selective redeposition of Au and Ag atoms are the key reasons for the formation of octahedral nanoframes.
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Citations
Cited by
Synthesis, Properties, and Applications of Hollow Micro-/Nanostructures
Wang, X., Feng, J., Bai, Y., Zhang, Q., & Yin, Y. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00731 · Cited by 1,456
Xia, X., Wang, Y., Ruditskiy, A., & Xia, Y. (2013) · Advanced Materials · doi:10.1002/adma.201302820 · Cited by 1,019
Zhu, Q.-L., Li, J., & Xu, Q. (2013) · Journal of the American Chemical Society · doi:10.1021/ja403330m · Cited by 729
Formation of Ni–Fe Mixed Diselenide Nanocages as a Superior Oxygen Evolution Electrocatalyst
Nai, J., Lu, Y., Yu, L., Wang, X., & Lou, X. W. (. (2017) · Advanced Materials · doi:10.1002/adma.201703870 · Cited by 522
Yu, X., Yu, L., Wu, H. B., & Lou, X. W. (. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201500267 · Cited by 513
Metadata
- Authors
- Hong, X., Wang, D., Cai, S., Rong, H., & Li, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-10-24
- Volume
- 134
- Issue
- 44
- Pages
- 18165-18168
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2319698878
- Cited by
- 216
- References
- 0
- FWCI
- 7.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hong, X., Wang, D., Cai, S., Rong, H., & Li, Y. (2012). Single-Crystalline Octahedral Au–Ag Nanoframes. Journal of the American Chemical Society. https://doi.org/10.1021/ja3076132
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