Issue 2, 2017

Highly stable Au/Pd@mesoporous SiO2 yolk–shell hetero-nanostructures for plasmon-enhanced visible light driven catalytic reactions

Abstract

A plasmonic bimetallic nanostructure has attracted considerable attention as a promising catalyst for light-driven catalytic reactions. The stability and recovery of the catalysts are still key issues for sustainable development of green chemistry. In this work, we designed and implemented an Au/Pd heterojunction@mesoporous SiO2 yolk–shell nanostructure (Au/Pd@m-SiO2 yolk–shell NPs) for plasmon-enhanced photocatalysis. The heterojunction of Au/Pd enhances the separation of hot electrons and holes under visible light irradiation, and the mesoporous SiO2 shell protects the active Au/Pd NPs from aggregation. The Au/Pd@m-SiO2 yolk–shell NPs exhibit extremely high stability for the plasmon-enhanced catalytic reduction of p-nitrophenol (4-NP) under visible light irradiation. The merging of a plasmonic material and a yolk–shell nanostructure proposes a new way for designing catalysts with good stability and promising activity.

Graphical abstract: Highly stable Au/Pd@mesoporous SiO2 yolk–shell hetero-nanostructures for plasmon-enhanced visible light driven catalytic reactions

Supplementary files

Article information

Article type
Paper
Submitted
22 Sep 2016
Accepted
09 Dec 2016
First published
12 Dec 2016

New J. Chem., 2017,41, 786-792

Highly stable Au/Pd@mesoporous SiO2 yolk–shell hetero-nanostructures for plasmon-enhanced visible light driven catalytic reactions

Y. Mu, H. Zhang, W. Zheng and X. Cui, New J. Chem., 2017, 41, 786 DOI: 10.1039/C6NJ02990F

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