Preparation Parameters Optimization and Electrocatalytic Properties of Supported Au Nanoparticles

Authors

Rui YAO, State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
Yu-jiang SONG, State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;Follow
Huan-qiao LI, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
Jia LI, State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;
Jian-guo LIU, College of Materials Sciences and Engineering, Nanjing University, Nanjing 210093, Jiangsu, China;

Corresponding Author

Yu-jiang SONG(yjsong@dlut.edu.cn)

Abstract

Due to interesting size effect, physical and chemical properties, nano-scale gold materials have been commonly used to catalytic reactions. However, the application of gold nanomaterials in the field of electrocatalysis is limited. Herein, we report the synthesis of gold nanparticles supported on carbon through chemical reduction of HAuCl₄ by NaBH₄ under mild conditions in the presence of surfactants as soft templates, carbon black or graphene as a support. We investigated a series of key reaction parameters, including reagent concentration, temperature, the types of carbon supports and surfactants. With the optimum synthetic parameters, we successfully obtained supported 1 ~ 4 nm gold particles. In addition, we found that the heat treatment could effectively remove such a surfactant as Brij35. The purified electrocatalysts demonstrated electrocatalytic activities toward both oxygen reduction reaction and alcohol oxidation reaction.

Graphical Abstract

Keywords

synthesis, supported gold nanoparticles, electrocatalysis

DOI Link

https://doi.org/10.13208/j.electrochem.151151

Publication Date

2016-04-28

Online Available Date

2016-03-25

Revised Date

2016-03-12

Received Date

2016-03-05

Recommended Citation

Rui YAO, Yu-jiang SONG, Huan-qiao LI, Jia LI, Jian-guo LIU. Preparation Parameters Optimization and Electrocatalytic Properties of Supported Au Nanoparticles[J]. Journal of Electrochemistry, 2016 , 22(2): 147-156.
DOI: 10.13208/j.electrochem.151151
Available at: https://jelectrochem.xmu.edu.cn/journal/vol22/iss2/7

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