Compositional dependence of the stability of AuCu alloy nanoparticles

Zhichuan Xu; Erica Lai; Yang Shao-Horn; Kimberly Hamad-Schifferli

doi:10.1039/c2cc31576a

Compositional dependence of the stability of AuCu alloy nanoparticles

Zhichuan Xu, Erica Lai, Yang Shao-Horn^*, Kimberly Hamad-Schifferli

^*Corresponding author for this work

Massachusetts Institute of Technology (MIT)

Research output: Contribution to journal › Article › peer-review

162 Citations (Scopus)

Abstract

The oxidation of AuCu nanoparticles was studied as a function of composition and temperature. Oxidation rates at 110 °C were higher for NPs with higher Cu content, showing that Au stabilized the Cu. Electrochemistry measurements show that AuCu could be a promising catalyst for lowering the over potential of CO₂ reduction.

Original language	English
Pages (from-to)	5626-5628
Number of pages	3
Journal	Chemical Communications
Volume	48
Issue number	45
DOIs	https://doi.org/10.1039/c2cc31576a
Publication status	Published - May 9 2012
Externally published	Yes

ASJC Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Catalysis
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Compositional dependence of the stability of AuCu alloy nanoparticles",

abstract = "The oxidation of AuCu nanoparticles was studied as a function of composition and temperature. Oxidation rates at 110 °C were higher for NPs with higher Cu content, showing that Au stabilized the Cu. Electrochemistry measurements show that AuCu could be a promising catalyst for lowering the over potential of CO2 reduction.",

author = "Zhichuan Xu and Erica Lai and Yang Shao-Horn and Kimberly Hamad-Schifferli",

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AU - Xu, Zhichuan

AU - Lai, Erica

AU - Shao-Horn, Yang

AU - Hamad-Schifferli, Kimberly

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Y1 - 2012/5/9

N2 - The oxidation of AuCu nanoparticles was studied as a function of composition and temperature. Oxidation rates at 110 °C were higher for NPs with higher Cu content, showing that Au stabilized the Cu. Electrochemistry measurements show that AuCu could be a promising catalyst for lowering the over potential of CO2 reduction.

AB - The oxidation of AuCu nanoparticles was studied as a function of composition and temperature. Oxidation rates at 110 °C were higher for NPs with higher Cu content, showing that Au stabilized the Cu. Electrochemistry measurements show that AuCu could be a promising catalyst for lowering the over potential of CO2 reduction.

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Compositional dependence of the stability of AuCu alloy nanoparticles

Abstract

ASJC Scopus Subject Areas

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