期刊
LANGMUIR
卷 35, 期 39, 页码 12704-12710出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.9b02237
关键词
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资金
- National Natural Science Foundation of China [21673202, 21922202]
- Qing Lan Project
- Priority Academic Program Development of Jiangsu Higher Education Institutions
Noble metal-Fe3O4 dumbbell-like nanoparticles have aroused considerable attention because of their high potential as heterogeneous nanocatalysts. The designed synthesis of the advanced architecture of noble metal-Fe3O4 dumbbell-like nanoparticles with both improved catalytic activity and stability is still a challenge. Herein, through the combination of yolk@shell and dumbbell-like nanostructures, dumbbell-like Pt-Fe3O4 nanoparticles encapsulated in N-doped carbon hollow nanospheres (Pt-Fe3O4@N-carbon) as a special yolk@ shell nanostructure were developed. In comparison with Pt-Fe3O4 dumbbell-like nanoparticles, Pt-Fe3O4@N-carbon yolk@shell nano particles showed improved catalytic activity and stability toward the liquid-phase 4-nitrophenol reduction and beta-ionone oxidation, making them a promising candidate for catalysis applications.
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