Fabricating Pd/CeO2 Interfaces on Au Particles via Galvanic Replacement Reaction to Simultaneously Enhance Pd Utilization and Anti-Poisoning Performance for Formate Oxidation

WANG Jian-she; MA Yun; CHENG Xiang-lin; ZHAO Jian-hong; SONG Cheng-ying; WANG Liu-cheng

doi:10.3969/j.issn.2095-560X.2018.04.002

2018 , Vol. 6 >Issue 4: 261 - 266

DOI: https://doi.org/10.3969/j.issn.2095-560X.2018.04.002

Orginal Article

Fabricating Pd/CeO₂ Interfaces on Au Particles via Galvanic Replacement Reaction to Simultaneously Enhance Pd Utilization and Anti-Poisoning Performance for Formate Oxidation

WANG Jian-she ,
MA Yun ,
CHENG Xiang-lin ,
ZHAO Jian-hong ,
SONG Cheng-ying ,
WANG Liu-cheng

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Zhengzhou University, Zhengzhou 450001, China

Received date: 2018-01-11

Revised date: 2018-03-20

Online published: 2018-08-31

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Abstract

To improve the utilization of noble metal catalysts, Pd deposition on Au nanoparticles supported by carbon nanotubes (CNTs) via galvanic replacement reaction (GRR) was explored to prepare Pd-Au/CNTs catalysts with high Pd utilization. CeO₂ was introduced on Au surface to prepare Pd-CeO₂/Au/CNTs catalysts further. Compared with Pd-Au/CNTs, not only the catalytic activity for formate oxidation but also the anti-poisoning performances were improved. Results indicated that, the utilization of Pd and the anti-poisoning performances of the catalysts were improved by the monolayer Pd on Au surface and the interfaces between Pd and CeO₂, simultaneously.

Key words： Pd catalysts; utilization; anti-poisoning performance; CeO₂

Cite this article

WANG Jian-she , MA Yun , CHENG Xiang-lin , ZHAO Jian-hong , SONG Cheng-ying , WANG Liu-cheng . Fabricating Pd/CeO₂ Interfaces on Au Particles via Galvanic Replacement Reaction to Simultaneously Enhance Pd Utilization and Anti-Poisoning Performance for Formate Oxidation[J]. Advances in New and Renewable Energy, 2018 , 6(4) : 261 -266 . DOI: 10.3969/j.issn.2095-560X.2018.04.002

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