Issue 19, 2020
From the journal:

Chemical Communications

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

Chang Xia, ORCID logo a   Wei He,b   Peng Fei Gao, ORCID logo b   Jia Ru Wang,a   Zheng Mao Cao,a   Yuan Fang Li, ORCID logo *a   Yi Wang ORCID logo *c  and  Cheng Zhi Huang ORCID logo *b  

* Corresponding authors

a Key Laboratory of Luminescent and Real-Time Analysis System (Southwest University) Chongqing Science and Technology Bureau, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
E-mail: liyf@swu.edu.cn

b College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P. R. China
E-mail: chengzhi@swu.edu.cn

c Chongqing Key Laboratory of Green Synthesis and Applications, College of Chemistry, Chongqing Normal University, Chongqing 401331, P. R. China
E-mail: ywang@cqnu.edu.cn

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

DOI
https://doi.org/10.1039/C9CC09573J
Article type
Communication
Submitted
10 Dec 2019
Accepted
30 Jan 2020
First published
30 Jan 2020

Chem. Commun., 2020,56, 2945-2948

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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, 56, 2945 DOI: 10.1039/C9CC09573J

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