Magnetic Ni and Ni/Pt hollow nanospheres and their catalytic activities for hydrolysis of ammonia borane

被引：38

作者：

Jiao, Wenliang ^{[1
]}

Hu, Xiaopeng ^{[1
]}

Ren, Hao ^{[1
]}

Xu, Pengfei ^{[1
]}

Yu, Ranbo ^{[1
]}

Chen, Jun ^{[1
]}

Xing, Xianran ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Phys Chem, Beijing 100083, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 43期

基金：

中国国家自然科学基金;

关键词：

HYDROGEN GENERATION; FACILE SYNTHESIS; MICROSPHERES; SPHERES; NANOPARTICLES; TEMPLATE; MONODISPERSE; LITHIUM; STORAGE; DEHYDROGENATION;

D O I：

10.1039/c4ta03949a

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：

Hollow metallic nickel nanospheres have been controllably synthesized via a solvothermal reduction process. The complexation between ethylenediamine and Ni2+ might be the key factor to control the formation of the hollow structure through the reduction rate of Ni2+ at a relatively low level. The size of the hollow nanospheres could be adjusted by changing the starting ethanol/ethylenediamine volume ratio. The magnetic property study reveals that the coercivity of the as-synthesized hollow nickel nanospheres is much enhanced compared with that of bulk nickel materials. Ni/Pt hollow bimetallic nanospheres have also been synthesized by using the replacement reaction. Inspiringly, the assynthesized Ni/Pt hollow bimetallic nanospheres exhibit higher catalytic activities for the hydrogen generation from ammonia borane hydrolysis compared with the Ni/Pt nanoparticles.

引用

页码：18171 / 18176

页数：6

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