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Nanofabrication of hollowed-out Au@AgPt core-frames via selective carving of silver and deposition of platinum

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Abstract

Here, a hollowed-out Au@AgPt core-frame nanostructure is carved in the presence of PtCl62− via galvanic replacement (GR) reaction, during which the dissolution of Ag atoms from the {100} facets and the deposition of Pt atoms on the active edges of the nanocubes occur. Both ex situ and in situ monitoring of the plasmonic and structural evolutions at the single-particle level, confirmed also by theoretical simulations, shows a three-phase mechanism involved.

Graphical abstract: Nanofabrication of hollowed-out Au@AgPt core-frames via selective carving of silver and deposition of platinum

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Article information


Submitted
10 Dec 2019
Accepted
30 Jan 2020
First published
30 Jan 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Nanofabrication of hollowed-out Au@AgPt core-frames via selective carving of silver and deposition of platinum

C. Xia, W. He, P. F. Gao, J. R. Wang, Z. M. Cao, Y. F. Li, Y. Wang and C. Z. Huang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09573J

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