Facile Synthesis of Interconnected Porous Pt Nanospheres for Efficient Electrocatalytic Formic Acid Oxidation

被引：2
|
作者：
Wu, Li-Ping [1 ]
Ju, Jian-Feng [3 ]
Xu, Ming [1 ]
Zhang, Jin [1 ]
Fu, Geng-Tao [1 ]
Sun, Dong-Mei [1 ]
Lin, Jun [1 ,2 ]
Xu, Lin [1 ]
Tang, Ya-Wen [1 ,2 ]
机构：
[1] Nanjing Normal Univ, Sch Chem & Mat Sci, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Jiangsu Key Lab New Power Batteries, Nanjing 210023, Jiangsu, Peoples R China
[2] Polypeptide Drug & Their Derivat Engn Res Ctr Jia, Nanjing 210023, Jiangsu, Peoples R China
[3] Nantong Univ, Sch Chem & Chem Engn, Nantong 226019, Peoples R China
来源：
SCIENCE OF ADVANCED MATERIALS | 2016年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Platinum Nanoassembly; Porous Structure; Formic Acid Oxidation; Electrocatalytic Activity; ALLOY NANOPARTICLES; PLATINUM NANOCRYSTALS; ASSISTED SYNTHESIS; ENHANCED ACTIVITY; ELECTROOXIDATION; METHANOL; SHAPE; NANOSTRUCTURES; CATALYSIS; WATER;
D O I：
10.1166/sam.2016.2686
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Well-defined interconnected porous Pt nanospheres (Pt-IPNSs) with average diameter around 43 nm are constructed by a facile one-step hydrothermal process using polyallylamine hydrochloride (PAH) as a stabilizing agent and HCHO as a reductant. The morphology, size, integrity and formation mechanism of the Pt-IPNSs are investigated. The results demonstrate that the as-prepared Pt-IPNSs have three-dimensional porous nanostructures with primary interconnected nanoparticles around 4 nm as building blocks. Electrocatalytic measurements indicate that Pt-IPNSs could catalyze FAOR predominantly through dehydrogenation pathway with better tolerance to CO poisoning and durability compared with commercial Pt-black, probably due to the unique porous assembly structure.
引用
收藏
页码：1268 / 1274
页数：7
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