Multi-walled carbon nanotube supported Pd nanocubes with enhanced electrocatalytic activity

被引：33

作者：

Hong, Wei ^{[1
,2
]}

Bi, Peiyan ^{[1
]}

Shang, Changshuai ^{[1
,2
]}

Wang, Jin ^{[1
,3
]}

Wang, Erkang ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

[3] SUNY Stony Brook, Dept Chem & Phys, New York, NY 11794 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 12期

基金：

中国国家自然科学基金;

关键词：

FORMIC-ACID ELECTROOXIDATION; HIGH-INDEX FACETS; PALLADIUM NANOCRYSTALS; FACILE SYNTHESIS; PLATINUM NANOCRYSTALS; HOLLOW NANOSPHERES; PTRU NANOPARTICLES; CATALYTIC-ACTIVITY; CONCAVE NANOCUBES; SHAPE;

D O I：

10.1039/c5ta09671e

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：

A simple one-pot synthesis of multi-walled carbon nanotube supported Pd nanocubes is described in this work. Pd nanocubes were in situ grown on carbon nanotubes. The Pd nanocubes show a single-crystal nanostructure and an average diameter of about 9.6 nm. The use of KBr is essential for the formation of Pd nanocubes; without KBr, only irregular Pd nanoparticles can be generated. The structural properties and electronic states of the prepared Pd nanocubes were studied by transmission electron microscopy and X-ray photoelectron spectroscopy, respectively. The developed nanomaterials present enhanced electrocatalytic activity which is 1.3 times and 1.75 times higher than that of their counterpart multi-walled carbon nanotube supported Pd nanoparticles and a commercial Pd/C reagent, respectively, for formic acid electrooxidation.

引用

页码：4485 / 4489

页数：5

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