Facile synthesis of supported AuNi and PtNi bimetallic nanomaterials and their enhanced catalytic properties | Zendy

Yingji Song | Zendy; Yingzi Lin | Zendy; Xuefeng Chu | Zendy; Junhong Tang | Zendy; Shaodan Xu | Zendy

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Facile synthesis of supported AuNi and PtNi bimetallic nanomaterials and their enhanced catalytic properties

Author(s) -

Yingji Song,

Yingzi Lin,

Xuefeng Chu,

Junhong Tang,

Shaodan Xu

Publication year - 2020

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2019.12.055

Subject(s) - bimetallic strip , materials science , catalysis , nanomaterials , nanoparticle , selectivity , chemical engineering , mesoporous material , benzyl alcohol , mesoporous silica , nanotechnology , particle size , particle (ecology) , organic chemistry , chemistry , engineering , oceanography , geology

Bimetallic materials are of great interest in scientific research and applications due to their unique chemical and physical properties. Here, we report a solid strategy to prepare AuNi bimetallic nanoparticles in large spherical cages of ordered mesoporous silica with uniform size distribution (AuxNi/mSiO2). The surface chemical composition and catalytic performance of BMNPs (Bimetallic Nanoparticles) are precisely varied via confined inter-particle hetero-atom migration. The AuxNi/mSiO2 catalyst displayed greatly improved catalytic performance and excellent stability in gas-phase oxidation of benzyl alcohol. Moreover, the strategy has been successfully extended to the synthesis of PtyNi/mSiO2, which performed higher activity and selectivity compared to the monometallic Pt catalyst in CO oxidation.

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