Issue 15, 2014
From the journal:

Chemical Communications

In situ tracing of atom migration in Pt/NiPt hollow spheres during catalysis of CO oxidation†

Jialong Liu,ab   Wei Liu,ac   Qian Sun,ad   Shouguo Wang,*b   Kai Sun,*c   Johannes Schwankd  and  Rongming Wang*a  

* Corresponding authors

a Department of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100191, P. R. China
E-mail: rmwang@buaa.edu.cn

b State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: sgwang@iphy.ac.cn

c Department of Materials Science & Engineering, University of Michigan, Ann Arbor, MI 48109, USA
E-mail: kaisun@umich.edu

d Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA

Abstract

NiPt hollow spheres decorated by Pt nanoparticles were synthesized by a facile wet chemical route through galvanic replacement. In situ STEM imaging and 3D reconstruction were performed to evidence the migration of Pt atoms during catalysis of CO oxidation, providing a practical insight into the structural stability of bimetallic catalysts.

Graphical abstract: In situ tracing of atom migration in Pt/NiPt hollow spheres during catalysis of CO oxidation

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Article information

DOI
https://doi.org/10.1039/C3CC47772J
Article type
Communication
Submitted
09 Dit 2013
Accepted
27 Kax 2013
First published
03 Qun 2014

Chem. Commun., 2014,50, 1804-1807

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In situ tracing of atom migration in Pt/NiPt hollow spheres during catalysis of CO oxidation

J. Liu, W. Liu, Q. Sun, S. Wang, K. Sun, J. Schwank and R. Wang, Chem. Commun., 2014, 50, 1804 DOI: 10.1039/C3CC47772J

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