Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 42, Issue 44, Pages 27034-27042Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.09.101
Keywords
Pt nanoparticles; Hollow mesoporous silica-coated; magnetic nanocapsules; Hydrogen generation; Ammonia borane
Categories
Funding
- Fundamental Research Funds for the Central Universities [lzujbky-2017-112]
Ask authors/readers for more resources
In this work, novel hollow mesoporous silica-coated magnetic nanocapsule that immobilizing Pt nanoparticles (NPs) in its core (Fe(3)o(4)@Sio(2)@Pt@mSiO(2)) was successfully synthesized. The obtained catalyst was characterized by TEM, XRD, BET, VSM, ICP and N-2 adsorption-desorption. The Fe(3)o(4)@Sio(2)@Pt@mSio(2) catalyst was used in the catalytic hydrogen generation from hydrolysis of ammonia borane and showed superior catalytic activity. Moreover, the Fe(3)o(4) SiO2 Pt@mSiO(2) catalyst can be easily recovered by magnetic separation attributed to the supermagnetic Fe3O4 NPs imbedded in the inner core. It is worth mentioning that, due to the Pt NPs were immobilized in the core of the nanocapsules and covered with mesoporous silica shell, Pt NPs leaching was efficiently prevented during the catalytic process. Therefore, this work provided a helpful platform for the preparation of noble metal based nanostructured catalysts with excellent activity, accessibility, facile recovery and almost no noble metal leaching. (c) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available