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author：

Wang, P. (Wang, P..) [1] | Yang, M. (Yang, M..) [2] | Liao, H. (Liao, H..) [3] | Xu, K. (Xu, K..) [4] | Zong, X. (Zong, X..) [5] | Xie, Z. (Xie, Z..) [6] | Zhao, H. (Zhao, H..) [7] | Xu, Y. (Xu, Y..) [8] | Yang, H. (Yang, H..) [9] | Gan, Y. (Gan, Y..) [10] | Fang, Y. (Fang, Y..) [11] | Wu, L. (Wu, L..) [12] | Tang, Y. (Tang, Y..) [13] | Tan, L. (Tan, L..) [14]

Indexed by：

Scopus

Abstract：

Restructuring　of　a　heterogeneous　catalyst　under　reaction　conditions　is　a　common　phenomenon.　Severe　restructuring　of　a　catalyst　can　result　in　deactivation　in　many　catalytic　systems—for　example,　the　catalytic　dehydrogenation　of　propane　to　propylene.　Herein,　we　report　the　utilization　of　catalyst　restructuring　to　improve　activity　and　stability　for　the　propane　dehydrogenation　reaction.　A　bimetallic　platinum　and　zinc　(Pt1Znm)　catalyst　protected　by　an　in　situ　restructured　silicalite-1　zeolite　is　prepared.　The　catalyst　yields　outstanding　activity　(initial　conversion　of　∼69.2%,　initial　selectivity　of　∼91.1%)　with　high　stability　at　580°C,　which　is　better　than　several　commercial　catalysts.　Characterization　shows　the　singly　dispersed　bimetallic　sites　of　Pt1Znm　serve　as　the　catalytic　sites　during　the　reaction.　Moreover,　the　less-stable　silicalite-1　zeolite　undergoes　restructuring　during　the　dehydrogenation　reaction,　forming　a　crucial　protective　layer　on　the　Pt1Znm　bimetallic　nanocatalysts.　©　2023　The　Author(s)

Keyword：

bimetallic catalyst catalyst stability platinum propane propylene restructuring single atom catalyst singly dispersed bimetallic sites zeolite zinc

Community：

  • [ 1 ] [Wang, P.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Yang, M.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Liao, H.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Xu, K.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Zong, X.]Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
  • [ 6 ] [Xie, Z.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Zhao, H.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Xu, Y.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 9 ] [Yang, H.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 10 ] [Gan, Y.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 11 ] [Fang, Y.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 12 ] [Wu, L.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 13 ] [Tang, Y.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 14 ] [Tan, L.]Institute of Molecule Catalysis and In-Situ/Operando Studies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address：

  • [Tang, Y.]Institute of Molecule Catalysis and In-Situ/Operando Studies, China;;[Tan, L.]Institute of Molecule Catalysis and In-Situ/Operando Studies, China

Email：


yu.tang@fzu.edu.cn |
tan@fzu.edu.cn
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Source ：

Cell Reports Physical Science

ISSN： 2666-3864

Year： 2023

Issue： 3

Volume： 4

7 . 9

JCR@2023

7 . 9 0 0

JCR@2023

ESI HC Threshold：49

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 24

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

Affiliated Colleges：

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