High-loading and thermally stable Pt1/MgAl1.2Fe0.8O4 single-atom catalysts for high-temperature applications

Kaipeng Liu, Yan Tang, Zhiyang Yu, Binghui Ge, Guoqing Ren, Yujing Ren, Yang Su, Jingcai Zhang, Xiucheng Sun, Zhiqiang Chen, Xiaoyan Liu, Botao Qiao, Wei Zhen Li, Aiqin Wang, Jun Li

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Single-atom catalysts (SACs) have attracted extensive attention in the field of heterogeneous catalysis. However, the fabrication of SACs with high loading and high-temperature stability remains a grand challenge, especially on oxide supports. In this work, we have demonstrated that through strong covalent metal-support interaction, high-loading and thermally stable single-atom Pt catalysts can be readily prepared by using Fe modified spinel as support. Better catalytic performance in N2O decomposition reaction is obtained on such SACs than their nanocatalyst counterpart and low-surface-area Fe2O3 supported Pt SACs. This work provides a strategy for the fabrication of high-loading and thermally stable SACs for applications at high temperatures.

Translated title of the contribution高载量高温热稳定的Pt1/MgAl1.2Fe0.8O4单原子催化剂
Original languageEnglish
Pages (from-to)949-958
Number of pages10
JournalScience China Materials
Volume63
Issue number6
DOIs
StatePublished - 1 Jun 2020
Externally publishedYes

Keywords

  • high loading
  • NO decomposition
  • single-atom catalyst
  • strong covalent metal-support interaction
  • thermal stability

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