The Dynamic Formation from Metal-Organic Frameworks of High-Density Platinum Single-Atom Catalysts with Metal-Metal Interactions

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

24 Scopus Citations
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Author(s)

  • Jiangwen Liao
  • Chao Ye
  • Juncai Dong
  • Yao Zheng
  • Shi-Zhang Qiao

Detail(s)

Original languageEnglish
Article numbere202213412
Journal / PublicationAngewandte Chemie - International Edition
Volume61
Issue number48
Online published11 Oct 2022
Publication statusPublished - 25 Nov 2022
Externally publishedYes

Link(s)

Abstract

Single-atom catalysts (SACs) hold great promise for highly efficient heterogeneous catalysis, yet the practical applications require the development of high-density active sites with flexible geometric structures. The lack of understanding in the dynamic formation process of single atoms in the host framework has been plaguing the controllable synthesis of next generation SACs. Here using Co-based metal-organic frameworks (MOFs) as a starting substrate, we fully elucidated the formation of high-density Pt single atoms with inter-site interactions in derived Co3O4 host. The cation exchange process and dynamic evolution of Pt−Pt interactions, organic ligand cleavage and Pt-oxygen coordination formation during the pyrolysis process have been unambiguously interpreted by a series of in situ/ex situ spectroscopic measurements and theoretical computation. These findings would direct the synthesis of high-density SACs with metal-metal interactions, which demonstrate significantly enhanced structural flexibility and catalytic properties. © 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.

Research Area(s)

  • Hard-Soft Acid-Base Principle, Metal-Metal Interactions, Metal-Organic Frameworks, Pyrolysis, Single Atom Catalysts

Citation Format(s)

The Dynamic Formation from Metal-Organic Frameworks of High-Density Platinum Single-Atom Catalysts with Metal-Metal Interactions. / Shan, Jieqiong; Liao, Jiangwen; Ye, Chao et al.
In: Angewandte Chemie - International Edition, Vol. 61, No. 48, e202213412, 25.11.2022.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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