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Catalysis under shell: Improved CO oxidation reaction confined in Pt@h-BN core-shell nanoreactors
Sun, Mengmeng1; Fu, Qiang1; Gao, Lijun1,2; Zheng, Yanping3; Li, Yangyang3; Chen, Mingshu3; Bao, Xinhe1
KeywordCore-shell Co Oxidation Pt Hexagonal Boron Nitride Nanoreactor
Source PublicationNANO RESEARCH
2017-04-01
ISSN1998-0124
DOI10.1007/s12274-017-1512-8
Volume10Issue:4Pages:1403-1412
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS KeywordHEXAGONAL BORON-NITRIDE ; OXYGEN REDUCTION ; SURFACE-CHEMISTRY ; CARBON-MONOXIDE ; GRAPHENE COVER ; DOPED GRAPHENE ; OXIDE SURFACES ; PLATINUM ; METAL ; NANOPARTICLES
AbstractCore-shell nanostructures consisting of active metal cores and protective shells often exhibit enhanced catalytic performance, in which reactants can access a small part of the core surfaces through the pores in the shells. In this study, we show that Pt nanoparticles (NPs) can be embedded into few-layer hexagonal boron nitride (h-BN) overlayers, forming Pt@h-BN core-shell nanocatalysts. The h-BN shells not only protect the Pt NPs under harsh conditions but also allow gaseous molecules such as CO and O-2 to access a large part of the Pt surfaces through a facile intercalation process. As a result, the Pt@h-BN nanostructures act as nanoreactors, and CO oxidation reactions with improved activity, selectivity, and stability occur at the core-shell interfaces. The confinement effect exerted by the h-BN shells promotes the Pt-catalyzed reactions. Our work suggests that two-dimensional shells can function as robust but flexible covers on nanocatalyst surfaces and tune the surface reactivity.
Language英语
WOS IDWOS:000398382300027
PublisherTSINGHUA UNIV PRESS
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169345
Collection中国科学院大连化学物理研究所
Corresponding AuthorFu, Qiang
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, IChEM, Dalian 116023, Peoples R China
2.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
3.Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
Recommended Citation
GB/T 7714
Sun, Mengmeng,Fu, Qiang,Gao, Lijun,et al. Catalysis under shell: Improved CO oxidation reaction confined in Pt@h-BN core-shell nanoreactors[J]. NANO RESEARCH,2017,10(4):1403-1412.
APA Sun, Mengmeng.,Fu, Qiang.,Gao, Lijun.,Zheng, Yanping.,Li, Yangyang.,...&Bao, Xinhe.(2017).Catalysis under shell: Improved CO oxidation reaction confined in Pt@h-BN core-shell nanoreactors.NANO RESEARCH,10(4),1403-1412.
MLA Sun, Mengmeng,et al."Catalysis under shell: Improved CO oxidation reaction confined in Pt@h-BN core-shell nanoreactors".NANO RESEARCH 10.4(2017):1403-1412.
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