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Sneed BT, Brodsky CN, Kuo CH, et al. Nanoscale-phase-separated Pd-Rh boxes synthesized via metal migration: an archetype for studying lattice strain and composition effects in electrocatalysis. J Am Chem Soc. 2013;135(39):14691-700doi: 10.1021/ja405387q.
Sneed, B. T., Brodsky, C. N., Kuo, C. H., Lamontagne, L. K., Jiang, Y., Wang, Y., Tao, F. F., Huang, W., & Tsung, C. K. (2013). Nanoscale-phase-separated Pd-Rh boxes synthesized via metal migration: an archetype for studying lattice strain and composition effects in electrocatalysis. Journal of the American Chemical Society, 135(39), 14691-700. https://doi.org/10.1021/ja405387q
Sneed, Brian T, et al. "Nanoscale-phase-separated Pd-Rh boxes synthesized via metal migration: an archetype for studying lattice strain and composition effects in electrocatalysis." Journal of the American Chemical Society vol. 135,39 (2013): 14691-700. doi: https://doi.org/10.1021/ja405387q
Sneed BT, Brodsky CN, Kuo CH, Lamontagne LK, Jiang Y, Wang Y, Tao FF, Huang W, Tsung CK. Nanoscale-phase-separated Pd-Rh boxes synthesized via metal migration: an archetype for studying lattice strain and composition effects in electrocatalysis. J Am Chem Soc. 2013 Oct 02;135(39):14691-700. doi: 10.1021/ja405387q. Epub 2013 Sep 23. PMID: 24060505.
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J Am Chem Soc. 2013 Oct 02;135(39):14691-700. doi: 10.1021/ja405387q. Epub 2013 Sep 23.

Nanoscale-phase-separated Pd-Rh boxes synthesized via metal migration: an archetype for studying lattice strain and composition effects in electrocatalysis.

Journal of the American Chemical Society

Brian T Sneed, Casey N Brodsky, Chun-Hong Kuo, Leo K Lamontagne, Ying Jiang, Yong Wang, Franklin Feng Tao, Weixin Huang, Chia-Kuang Tsung

Affiliations

  1. Department of Chemistry, Merkert Chemistry Center, Boston College , 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, United States.

PMID: 24060505 DOI: 10.1021/ja405387q

Abstract

Developing syntheses of more sophisticated nanostructures comprising late transition metals broadens the tools to rationally design suitable heterogeneous catalysts for chemical transformations. Herein, we report a synthesis of Pd-Rh nanoboxes by controlling the migration of metals in a core-shell nanoparticle. The Pd-Rh nanobox structure is a grid-like arrangement of two distinct metal phases, and the surfaces of these boxes are {100} dominant Pd and Rh. The catalytic behaviors of the particles were examined in electrochemistry to investigate strain effects arising from this structure. It was found that the trends in activity of model fuel cell reactions cannot be explained solely by the surface composition. The lattice strain emerging from the nanoscale separation of metal phases at the surface also plays an important role.

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