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Issue 62, 2018
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Unexpected refacetting of palladium nanoparticles under atmospheric N2 conditions

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Abstract

We demonstrate an unexpected refacetting process of Pd nanoparticles, induced by N2 under atmospheric pressure at elevated temperatures, by in situ TEM observations. The morphology changes, with a notable increase in the fraction of Pd{110} facets, were visualized by atomic-scale TEM images and further explained by theoretical calculations. Firm evidence and rational understanding revealed that the “inert” gas N2 has the ability to modify the structure of metal nanoparticles. This surprising effect should be considered seriously in vast chemical applications that use N2 as a carrier gas or protective atmosphere.

Graphical abstract: Unexpected refacetting of palladium nanoparticles under atmospheric N2 conditions

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Supplementary files

Article information


Submitted
08 Jun 2018
Accepted
26 Jun 2018
First published
26 Jun 2018

Chem. Commun., 2018,54, 8587-8590
Article type
Communication

Unexpected refacetting of palladium nanoparticles under atmospheric N2 conditions

X. Zhang, J. Meng, B. Zhu, W. Yuan, H. Yang, Z. Zhang, Y. Gao and Y. Wang, Chem. Commun., 2018, 54, 8587
DOI: 10.1039/C8CC04574G

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