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author：

Ni, Wenkang (Ni, Wenkang.) [1] | Zeng, Min (Zeng, Min.) [2] | Wang, Ke (Wang, Ke.) [3] | Lin, Yunzhi (Lin, Yunzhi.) [4] | Zhang, Zizhong (Zhang, Zizhong.) [5] | Dai, Wenxin (Dai, Wenxin.) [6] | Fu, Xianzhi (Fu, Xianzhi.) [7]

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EI

Abstract：

Constructing　defect　sites　on　the　surface　of　a　catalyst　is　an　important　strategy　used　to　achieve　efficient　reverse　water　gas　shift　(RWGS)　reaction.　In　this　work,　the　oxygen　vacancies　(OVs)　and　Mn2+　site　were　successfully　created　on　the　surface　of　Pd/SrMnaZrOx　catalysts　to　enhance　the　adsorption　and　activation　of　CO2.　Based　on　the　results　of　in-situ　DRIFTS,　quasi-situ　EPR,　and　XPS　measurements,　which　revealed　that　CO2　adsorbed　on　the　OVs　and　Mn2+　sites　and　was　activated　into　CO　species.　Under　UV-vis　light　irradiation,　photo-generated　electrons　from　SrMnaZrOx　migrated　to　the　surface　of　Pd　nanoparticles,　which　was　favorable　for　the　activation　of　H2.　Meanwhile,　visible　light　causes　the　conversion　of　Mn3+　to　Mn2+,　and　promotes　the　formation　of　OVs　around　the　converted　Mn2+　sites.　This　formed　＇cycle-double　sites＇(both　OVs　regeneration　and　Mn2+　reformation)　enhances　the　activity　and　stability　of　RWGS　reaction　on　the　prepared　catalyst　with　UV-vis　light.　©　2023　The　Authors.

Keyword：

Carbon dioxide Catalysts Chemical activation Chemical shift Manganese alloys Manganese compounds Oxygen vacancies Strontium compounds Water gas shift

Community：

  • [ 1 ] [Ni, Wenkang]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Ni, Wenkang]Key Laboratory of Eco-materials Advanced Technology, Fuzhou University, Fujian Province University, Fuzhou; 350108, China
  • [ 3 ] [Zeng, Min]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Zeng, Min]Key Laboratory of Eco-materials Advanced Technology, Fuzhou University, Fujian Province University, Fuzhou; 350108, China
  • [ 5 ] [Wang, Ke]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Wang, Ke]Key Laboratory of Eco-materials Advanced Technology, Fuzhou University, Fujian Province University, Fuzhou; 350108, China
  • [ 7 ] [Lin, Yunzhi]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 8 ] [Zhang, Zizhong]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 9 ] [Zhang, Zizhong]Qingyuan Innovation Laboratory, Quanzhou; 362801, China
  • [ 10 ] [Dai, Wenxin]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China
  • [ 11 ] [Dai, Wenxin]Qingyuan Innovation Laboratory, Quanzhou; 362801, China
  • [ 12 ] [Fu, Xianzhi]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350108, China

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Source ：

Journal of CO2 Utilization

ISSN： 2212-9820

Year： 2023

Volume： 69

7 . 2

JCR@2023

7 . 2 0 0

JCR@2023

ESI HC Threshold：39

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 5

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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