Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation

doi:10.1088/1674-1056/20/11/113301

中国物理B ›› 2011, Vol. 20 ›› Issue (11): 113301-113301.doi: 10.1088/1674-1056/20/11/113301

Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation

申承民¹, 高鸿钧¹, 佟浩², 何卫², 张校刚², 杨苏东³

(1)Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China; (2)College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; (3)College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

收稿日期:2011-07-20 修回日期:2011-08-18 出版日期:2011-11-15 发布日期:2011-11-15
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2007CB209700), the Graduate Student Innovation Foundation of Jiangsu Province, China (Grant No. CX09B 075Z), and the Research Funding of Nanjing University of Aeronautics and Astronautics, China (Grant No. NS2010165).

Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation

Yang Su-Dong(杨苏东)^a)b), Shen Cheng-Min(申承民)^b), Tong Hao(佟浩)^a), He Wei(何卫)^a), Zhang Xiao-Gang(张校刚)^a†, and Gao Hong-Jun(高鸿钧)^b)‡

^a College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; ^bBeijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Received:2011-07-20 Revised:2011-08-18 Online:2011-11-15 Published:2011-11-15
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2007CB209700), the Graduate Student Innovation Foundation of Jiangsu Province, China (Grant No. CX09B 075Z), and the Research Funding of Nanjing University of Aeronautics and Astronautics, China (Grant No. NS2010165).

摘要/Abstract

摘要： A novel electrode material based on chemically modified graphene (CMG) with aminophenyl groups is covalently functionalized by a nucleophilic ring-opening reaction between the epoxy groups of graphene oxide and the aminophenyl groups of p-phenylenediamine. Palladium nanoparticles with an average diameter of 4.2 nm are deposited on the CMG by a liquid-phase borohydride reduction. The electrocatalytic activity and stability of the Pd/CMG composite towards formic acid oxidation are found to be higher than those of reduced graphene oxide and commercial carbon materials such as Vulcan XC-72 supported Pd electrocatalysts.

关键词: chemically modified graphene, fuel cell, electrocatalysis, Pd nanoparticles

Abstract: A novel electrode material based on chemically modified graphene (CMG) with aminophenyl groups is covalently functionalized by a nucleophilic ring-opening reaction between the epoxy groups of graphene oxide and the aminophenyl groups of p-phenylenediamine. Palladium nanoparticles with an average diameter of 4.2 nm are deposited on the CMG by a liquid-phase borohydride reduction. The electrocatalytic activity and stability of the Pd/CMG composite towards formic acid oxidation are found to be higher than those of reduced graphene oxide and commercial carbon materials such as Vulcan XC-72 supported Pd electrocatalysts.

Key words: chemically modified graphene, fuel cell, electrocatalysis, Pd nanoparticles

中图分类号: (Infrared spectra)

33.20.Ea

68.37.Lp (Transmission electron microscopy (TEM)) 81.10.Dn (Growth from solutions) 82.45.Jn (Surface structure, reactivity and catalysis)

杨苏东, 申承民, 佟浩, 何卫, 张校刚, 高鸿钧. Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation[J]. 中国物理B, 2011, 20(11): 113301-113301.

Yang Su-Dong(杨苏东), Shen Cheng-Min(申承民), Tong Hao(佟浩), He Wei(何卫), Zhang Xiao-Gang(张校刚), and Gao Hong-Jun(高鸿钧) . Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation[J]. Chin. Phys. B, 2011, 20(11): 113301-113301.

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Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation

Highly dispersed Pd nanoparticles on chemically modified graphene with aminophenyl groups for formic acid oxidation

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