Platinum nanoparticles supported on a bi-metal oxide grown carbon nanostructure as an ethanol electro-oxidation electrocatalyst

被引：11

作者：

Divya, P. ^{[1
]}

Ramaprabhu, S. ^{[1
]}

机构：

[1] Indian Inst Technol Madras, Dept Phys, NFMTC, AENL, Madras, Tamil Nadu, India

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 43期

关键词：

ELECTROCHEMICAL OXIDATION; ANODE CATALYSTS; NANOTUBES; RAMAN; PT/C; PALLADIUM; PT-CEO2/C;

D O I：

10.1039/c3ta13070c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The development of inexpensive and highly active ethanol electro-oxidation electrocatalysts is a great challenge. Here, we report a novel material consisting of platinum dispersed on a bi-metal oxide grown carbon nanostructure as an ethanol electro-oxidation electrocatalyst. The carbon nanostructure has been synthesized by the catalytic chemical vapour deposition of acetylene precursor over Fe-Sn-O particles. Platinum (Pt) nanoparticles have been decorated on a bi-metal oxide grown carbon nanostructure (CNS-FSO) by the polyol reduction technique. The suitability of the electrocatalyst for ethanol electro-oxidation is examined by cyclic voltammetry and amperometry techniques. Pt supported on CNS-FSO exhibited a higher catalytic activity towards ethanol electro-oxidation in comparison to commercially available platinum on Vulcan XC-72 and platinum nanoparticles decorated functionalized multi walled carbon nanotubes. This superior activity can be attributed to the unique properties of CNS-FSO as well as the synergic effect between platinum and CNS-FSO.

引用

页码：13605 / 13611

页数：7

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