Research Article

Nano Research

, Volume 4, Issue 12, pp 1233-1241

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

  • Kengo AranishiAffiliated withNational Institute of Advanced Industrial Science and Technology (AIST)Graduate School of Engineering, Kobe University
  • , Hai-Long JiangAffiliated withNational Institute of Advanced Industrial Science and Technology (AIST)
  • , Tomoki AkitaAffiliated withNational Institute of Advanced Industrial Science and Technology (AIST)Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST)
  • , Masatake HarutaAffiliated withGraduate School of Urban Environmental Sciences, Tokyo Metropolitan UniversityCore Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST)
  • , Qiang XuAffiliated withNational Institute of Advanced Industrial Science and Technology (AIST)Graduate School of Engineering, Kobe UniversityCore Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST) Email author 

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access

Abstract

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. http://static-content.springer.com/image/art%3A10.1007%2Fs12274-011-0174-1/MediaObjects/12274_2011_174_Fig1_HTML.gif

Keywords

Triple-layered core-shell nanoparticles heterogeneous catalysis ammonia borane hydrogen generation