Shape-controlled synthesis of planar PtPb nanoplates for highly efficient methanol electro-oxidation reaction

被引：23

作者：

Chen, Lei ^{[1
,2
]}

Zhou, Luozeng ^{[3
]}

Lu, Hongbin ^{[1
]}

Zhou, Yaqin ^{[3
]}

Huang, Jialu ^{[1
]}

Wang, Jin ^{[1
]}

Wang, Yang ^{[1
]}

Yuan, Xiaolei ^{[1
]}

Yao, Yong ^{[1
]}

机构：

[1] Nantong Univ, Sch Chem & Chem Engn, 9 Seyuan Rd, Nantong 226019, Jiangsu, Peoples R China

[2] Southeast Univ, SEU FEI Nanopico Ctr, Key Lab MEMS, Minist Educ, Nanjing 210096, Peoples R China

[3] Shanghai Inst Space Power Sources, State Key Lab Space Power Sources Technol, 2965 Dongchuan Rd, Shanghai 200245, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 64期

基金：

中国国家自然科学基金;

关键词：

ENHANCED ACTIVITY; ELECTROCATALYTIC PROPERTIES; ALLOY NANOPARTICLES; CORE-SHELL; REDUCTION; OXIDATION; PTBI; CATALYSTS;

D O I：

10.1039/d0cc03704d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, novel insights into the influence of different nanocrystal structures on the electrocatalytic oxidation of methanol are reported. Herein, we have successfully prepared high-yield PtPb nanoplates in the diethylene glycol (DEG) solvent. The as-obtained PtPb nanoplates with a large surface area of the (102) facet show higher MOR activity and superior durability in alkaline electrolyte compared with both zero-dimensional PtPb nanoparticles and commercial Pt/C. Further chronoamperometric (CA) measurements and discrete Fourier transform (DFT) calculations indicate that the PtPb nanoplates possess much better operation durability and CO tolerance due to the negative adsorption energy of the (102) facet.

引用

页码：9138 / 9141

页数：4

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