Propionic acid-assisted surfactant-free synthesis of icosahedral Pt3Pd nanoparticles with enhanced electrochemical performance

被引：2

作者：

Zhang, Na ^{[1
,2
]}

Zhang, Danting ^{[1
]}

Chen, Hong ^{[1
]}

Wang, Guowen ^{[1
]}

Yin, Geping ^{[2
]}

机构：

[1] Beijing Aerosp Prop Inst, 1 South Dahongmen Rd, Beijing 100076, Peoples R China

[2] Harbin Inst Technol, Dept Chem Engn & Technol, 92 West Da Zhi St, Harbin 150001, Heilongjiang, Peoples R China

来源：

IONICS | 2020年 / 26卷 / 11期

关键词：

Fuel cell catalysts; Surfactant-free synthesis; Icosahedral nanocrystals; Electrochemical performance; HIGH-INDEX FACETS; METHANOL OXIDATION; GOLD NANOCRYSTALS; FACILE SYNTHESIS; CATALYSTS; ETHANOL; PD; SHAPE; GRAPHENE; REMOVAL;

D O I：

10.1007/s11581-020-03711-5

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：

This communication describes the facile and surfactant-free synthesis of Pt3Pd icosahedral nanocrystals through propionic acid (PA)-assisted solvothermal method. The complexes of N,N-dimethylformamide (DMF) and PA play critical roles in stabilizing the icosahedral shape with {111} surfaces. Icosahedral Pt3Pd nanocrystals exhibit an impressive methanol oxidation activity and durability. The enhanced electrochemical performance is attributed to the electron effects induced by the surface strain and some steps or kinks enclosed by high energy plane of {533}, {553}, and {554}.

引用

页码：5697 / 5703

页数：7

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