Compositional dependence of the stability of AuCu alloy nanoparticles

被引:150
|
作者
Xu, Zhichuan [1 ]
Lai, Erica [1 ]
Shao-Horn, Yang [1 ]
Hamad-Schifferli, Kimberly [1 ,2 ]
机构
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
[2] MIT, Dept Biol Engn, Cambridge, MA 02139 USA
关键词
ELECTROCHEMICAL REDUCTION; COPPER NANOPARTICLES; OXIDATION; CO2; NANOCRYSTALS; ELECTRODES; MORPHOLOGY; METHANOL; OXYGEN; ROUTE;
D O I
10.1039/c2cc31576a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The oxidation of AuCu nanoparticles was studied as a function of composition and temperature. Oxidation rates at 110 degrees 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.
引用
收藏
页码:5626 / 5628
页数:3
相关论文
共 50 条
  • [1] Synthesis of alloy AuCu nanoparticles with the L10 structure in an ionic liquid using sputter deposition
    Suzuki, Shushi
    Tomita, Yousuke
    Kuwabata, Susumu
    Torimoto, Tsukasa
    DALTON TRANSACTIONS, 2015, 44 (09) : 4186 - 4194
  • [2] Computational study on thermal stability of an AuCu249 alloy cluster on the atomic scale
    Shao Chen-Wei
    Wang Zhen-Hua
    Li Yan-Nan
    Zhao Qian
    Zhang Lin
    ACTA PHYSICA SINICA, 2011, 60 (08)
  • [3] Ag-Pt Compositional Intermetallics Made from Alloy Nanoparticles
    Pan, Yung-Tin
    Yang, Yuqi
    Shao, Yu-Tsun
    Zuo, Jian-Min
    Yang, Hong
    NANO LETTERS, 2016, 16 (10) : 6599 - 6603
  • [4] AuCu/ZnO heterogeneous photocatalysts: Photodeposited AuCu alloy effect on product selectivity in alkene epoxidation
    Weerathunga, Helapiyumi
    Brock, Aidan J.
    Sarina, Sarina
    Deshan, Athukoralalage Don K.
    Zhu, Huai-Yong
    Waclawik, Eric R.
    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2022, 426
  • [5] A controlled growth of triangular AuCu alloy nanostars and high photocatalytic activities of AuCu@CdS heterostars
    Liu, Qi-Yu
    Zhong, Yao
    Jiang, Zheng-Zhi
    Chen, Kai
    Ma, Song
    Wang, Peng-Fei
    Wang, Wei
    Zhou, Li
    Luoshan, Meng-Dai
    Wang, Qu-Quan
    JOURNAL OF MATERIALS CHEMISTRY C, 2020, 8 (14) : 4869 - 4875
  • [6] Room-Temperature Synthesis of Au@AuCu Alloyed Nanorods in Aqueous Solutions for High Catalytic Activity and Enhanced Stability
    Hao, Lishuai
    Hu, Ningneng
    Wang, Le
    Jia, Henglei
    Ni, Weihai
    ACS APPLIED NANO MATERIALS, 2024, 7 (19) : 23028 - 23036
  • [7] Effect of composition and architecture on the thermodynamic behavior of AuCu nanoparticles
    Yang, Wei-Hua
    Yu, Fang-Qi
    Huang, Rao
    Lin, Yu-Xing
    Wen, Yu-Hua
    NANOSCALE, 2024, 16 (27) : 13197 - 13209
  • [8] Colloidal Au-Cu alloy nanoparticles: synthesis, optical properties and applications
    Thota, Sravan
    Wang, Yongchen
    Zhao, Jing
    MATERIALS CHEMISTRY FRONTIERS, 2018, 2 (06) : 1074 - 1089
  • [9] Electrochemistry at single bimetallic nanoparticles - using nano impacts for sizing and compositional analysis of individual AgAu alloy nanoparticles
    Saw, En Ning
    Grasmik, Viktoria
    Rurainsky, Christian
    Epple, Matthias
    Tschulik, Kristina
    FARADAY DISCUSSIONS, 2016, 193 : 327 - 338
  • [10] Platinum monolayers stabilized on dealloyed AuCu core-shell nanoparticles for improved activity and stability on methanol oxidation reaction
    Guo, Weihua
    Yao, Xiaozhang
    Peng, Lingyi
    Lin, Bingqing
    Kang, Yongqiang
    Gan, Lin
    CHINESE CHEMICAL LETTERS, 2020, 31 (03) : 836 - 840