Towards a library of atomically dispersed catalysts
Cai, Xiangbin1; Chen, Xiaowen3; Ying, Zhehan1; Wang, Shi1; Chen, Yong1; Cai, Yuan1; Long, Gen2; Liu, Hongyang3; Wang, Ning1
Corresponding AuthorLong, Gen( ; Liu, Hongyang( ; Wang, Ning(
Source PublicationMATERIALS & DESIGN
AbstractAtomically dispersed catalysts (ADCs) have emerged as a rising star of new materials, exhibiting remarkable catalytic efficiency, selectivity and recyclability. However, little is known about the atomic-scale mechanisms leading to the generic synthesis of fully exposed metals, the feasibility of tailoring metal's coordination environments and the thermal robustness. Here we demonstrate the strong metal support interactions (SMSI) as one of the key factors to universally construct a series of atomically dispersed single metals and synergetic bimetals for high-performance catalysts. The SMSI is realized through the anchoring effects of hybrid sp(2)- and sp(3)-carbons on the surface of nanodiamond@graphene (ND@G) support. Such SMSI assures the effective tuning of metal's coordination numbers by means of either controlling mass loading or introducing complementary species. Furthermore, the impressive thermal stability of ND@G-supported Pt-Sn catalyst as well as the failure route are revealed by atomic resolution in-situ observations. This work not only paves the way towards a library of highly tunable and stable ADCs, but also sheds light on the fundamental regulating principles for their industrial applications. (C) 2021 The Authors. Published by Elsevier Ltd.
KeywordTransmission Electron Microscopy Atomic Structures Metal-Support Interactions Atomically Dispersed Catalysts Single Atom Catalysts Thermal Stability
Funding OrganizationNational Key R&D Program of China ; Research Grants Council of Hong Kong
Indexed BySCI
Funding ProjectNational Key R&D Program of China[2020YFA 0309600] ; Research Grants Council of Hong Kong[N_HKUST624/19] ; Research Grants Council of Hong Kong[16306818]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000701739800001
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLong, Gen; Liu, Hongyang; Wang, Ning
Affiliation1.Hong Kong Univ Sci & Technol, Dept Phys & Ctr Quantum Mat, Hong Kong, Peoples R China
2.Songshan Lake Mat Lab, Dongguan 523808, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Cai, Xiangbin,Chen, Xiaowen,Ying, Zhehan,et al. Towards a library of atomically dispersed catalysts[J]. MATERIALS & DESIGN,2021,210:7.
APA Cai, Xiangbin.,Chen, Xiaowen.,Ying, Zhehan.,Wang, Shi.,Chen, Yong.,...&Wang, Ning.(2021).Towards a library of atomically dispersed catalysts.MATERIALS & DESIGN,210,7.
MLA Cai, Xiangbin,et al."Towards a library of atomically dispersed catalysts".MATERIALS & DESIGN 210(2021):7.
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