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 CO(2) reduction.
authors.affiliation: Dept. of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, USA.
authors.forename: Zhichuan
authors.initials: Z
authors.lastname: Xu
authors.forename: Erica
authors.initials: E
authors.lastname: Lai
authors.forename: Yang
authors.initials: Y
authors.lastname: Shao-Horn
authors.forename: Kimberly
authors.initials: K
authors.lastname: Hamad-Schifferli
mesh_terms: D000497:Alloys / Q000737:chemistry*; D002245:Carbon Dioxide / Q000737:chemistry; D002384:Catalysis; D003300:Copper / Q000737:chemistry*; D055664:Electrochemical Techniques; D006046:Gold / Q000737:chemistry*; D053758:Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D010084:Oxidation-Reduction; D013053:Spectrophotometry; D013696:Temperature
chemical_list: D000497:Alloys; D002245:Carbon Dioxide; D006046:Gold; D003300:Copper