One-pot controlled synthesis of AuPd@Pd core-shell nanocrystals with enhanced electrocatalytic performances for formic acid oxidation and glycerol oxidation

[Display omitted] In this work, AuPd@Pd core–shell nanocrystals (AuPd@Pd NCs) were fabricated by a one-pot co-reduction approach, where theophylline-7-acetic acid (TAA) acted asa new structure-directing agent. The crystal structure and composition were mainly characterized by scanning electron micro...

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Bibliographic Details
Published in:Journal of colloid and interface science 2017-12, Vol.508, p.551-558
Main Authors: Liu, Meng-Ting, Chen, Li-Xian, Li, Dong-Ning, Wang, Ai-Jun, Zhang, Qian-Li, Feng, Jiu-Ju
Format: Article
Language:English
Subjects:
Core-shell nanocrystals
Formic acid oxidation
Glycerol oxidation
Theophylline-7-acetic acid
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Summary:[Display omitted] In this work, AuPd@Pd core–shell nanocrystals (AuPd@Pd NCs) were fabricated by a one-pot co-reduction approach, where theophylline-7-acetic acid (TAA) acted asa new structure-directing agent. The crystal structure and composition were mainly characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM), X-ray diffraction (XRD), together with X-ray photoelectron spectroscopy (XPS). The growth mechanism of AuPd@Pd NCs was investigated in detail. The obtained AuPd@Pd NCs exhibited superior catalytic characters for formic acid oxidation reaction (FAOR) and glycerol oxidation reaction (GOR) in contrast with commercial Pd black in alkaline media.
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2017.08.041