One-step synthesis of magnetically recyclable Au/Co/Fe triple-layered core-shell nanoparticles as highly efficient catalysts for the hydrolytic dehydrogenation of ammonia borane

被引：0
|
作者：
Kengo Aranishi
Hai-Long Jiang
Tomoki Akita
Masatake Haruta
Qiang Xu
机构：
[1] National Institute of Advanced Industrial Science and Technology (AIST),Graduate School of Engineering
[2] Kobe University,Graduate School of Urban Environmental Sciences
[3] Tokyo Metropolitan University,Core Research for Evolutional Science and Technology (CREST)
[4] Japan Science and Technology Agency (JST),undefined
来源：
Nano Research | 2011年 / 4卷
关键词：
Triple-layered; core-shell nanoparticles; heterogeneous catalysis; ammonia borane; hydrogen generation;
D O I：
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中图分类号：
学科分类号：
摘要：
Magnetically recyclable Au/Co/Fe core-shell nanoparticles (NPs) have been successfully synthesized via a one-step in situ procedure. Transmission electron microscope (TEM), energy dispersive X-ray spectroscopic (EDS), and electron energy-loss spectroscopic (EELS) measurements revealed that the trimetallic Au/Co/Fe NPs have a triple-layered core-shell structure composed of a Au core, a Co-rich inter-layer, and a Fe-rich shell. The Au/Co/Fe core-shell NPs exhibit much higher catalytic activities for hydrolytic dehydrogenation of ammonia borane (NH3BH3, AB) than the monometallic (Au, Co, Fe) or bimetallic (AuCo, AuFe, CoFe) counterparts. [inline-graphic not available: see fulltext]
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页码：1233 / 1241
页数：8
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