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Author:

Feng, Boyuan (Feng, Boyuan.) | Li, Shuzhen (Li, Shuzhen.) | Zhang, Long (Zhang, Long.) | Zhang, Guizhen (Zhang, Guizhen.) | Chen, Ge (Chen, Ge.) (Scholars:陈戈)

Indexed by:

EI Scopus SCIE

Abstract:

The reverse water-gas shift (RWGS) reaction holds promise for producing high value-added CO from CO2, serving as a crucial intermediate to feedstock for producing various hydrocarbons through Fischer-Tropsch synthesis reactions. Metallic catalysts often yield significant methane production as a by-product during operation, whereas non-metallic oxide catalysts offer potential for high CO selectivity. We prepare Al doped CeO2 nanorod by atomic layer deposition (ALD). The incorporation of Al creates more oxygen vacancies on the surface, resulting in increased Frustrated Lewis Pair (FLP) sites. Particularly, the CO yield of ALD-modified CeO2 was enhanced by 134 % compared to that of pristine CeO2 nanorods (CeO2-NR) at 500 degrees C, with CO selectivity reached 100 %. Density Functional Theory (DFT) calculations reveal a lower energy barrier for H2 dissociation facilitated by the formation of FLP sites, potentially leading to heightened activity in the Reverse Water Gas Shift (RWGS) reaction.

Keyword:

Atomic layer deposition Frustrated Lewis Pairs CO2 hydrogenation RWGS reaction

Author Community:

  • [ 1 ] [Feng, Boyuan]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [Li, Shuzhen]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Long]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Guizhen]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 5 ] [Chen, Ge]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Zhang, Guizhen]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China;;[Chen, Ge]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China;;

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Source :

APPLIED SURFACE SCIENCE

ISSN: 0169-4332

Year: 2024

Volume: 669

6 . 7 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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