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Cited by 345

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Ensemble Effect in Bimetallic Electrocatalysts for CO2 Reduction

Wang, Yuxuan, Cao, Liang, Libretto, Nicole J., Li, Xing, Li, Chenyang, Wan, Yidong, He, Connie, Lee, Jinsung, Gregg, John, Zong, Han, Su, Dong, Miller, Jeffery T., Mueller, Tim, Wang, Chao·2019·Journal of the American Chemical Society

Abstract

Alloying is an important strategy for the design of catalytic materials beyond pure metals. The conventional alloy catalysts however lack precise control over the local atomic structures of active sites. Here we report on an investigation of the active-site ensemble effect in bimetallic Pd–Au electrocatalysts for CO 2 reduction. A series of Pd@Au electrocatalysts are synthesized by decorating Au nanoparticles with Pd of controlled doses, giving rise to bimetallic surfaces containing Pd ensembles of various sizes. Their catalytic activity for electroreduction of CO 2 to CO exhibits a nonlinear behavior in dependence of the Pd content, which is attributed to the variation of Pd ensemble size and the corresponding tuning of adsorption properties. Density functional theory calculations reveal that the Pd@Au electrocatalysts with atomically dispersed Pd sites possess lower energy barriers for activation of CO 2 than pure Au and are also less poisoned by strongly binding *CO intermediates than pure Pd, with an intermediate ensemble size of active sites, such as Pd dimers, giving rise to the balance between these two rate-limiting factors and achieving the highest activity for CO 2 reduction.

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Metadata

Authors
Wang, Y., Cao, L., Libretto, N. J., Li, X., Li, C., Wan, Y., He, C., Lee, J., Gregg, J., Zong, H., Su, D., Miller, J. T., Mueller, T., & Wang, C.
Venue
Journal of the American Chemical Society
Published
2019-09-11
Volume
141
Issue
42
Pages
16635-16642
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2973160985
Cited by
345
References
8
FWCI
7.94
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Ensemble Effect in Bimetallic Electrocatalysts for CO2 Reduction. https://app.cochat.ai/papers/10.1021/jacs.9b05766
The paper
Wang, Y., Cao, L., Libretto, N. J., Li, X., Li, C., Wan, Y., He, C., Lee, J., Gregg, J., Zong, H., Su, D., Miller, J. T., Mueller, T., & Wang, C. (2019). Ensemble Effect in Bimetallic Electrocatalysts for CO2 Reduction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b05766

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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