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[期刊论文]

Metal to non-metal sites of metallic sulfides switching products from CO to CH4 for photocatalytic CO2 reduction

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author:

Chai, Y. (Chai, Y..) [1] | Kong, Y. (Kong, Y..) [2] | Lin, M. (Lin, M..) [3] | Unfold

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Abstract:

The active center for the adsorption and activation of carbon dioxide plays a vital role in the conversion and product selectivity of photocatalytic CO2 reduction. Here, we find multiple metal sulfides CuInSnS4 octahedral nanocrystal with exposed (1 1 1) plane for the selectively photocatalytic CO2 reduction to methane. Still, the product is switched to carbon monoxide on the corresponding individual metal sulfides In2S3, SnS2, and Cu2S. Unlike the common metal or defects as active sites, the non-metal sulfur atom in CuInSnS4 is revealed to be the adsorption center for responding to the selectivity of CH4 products. The carbon atom of CO2 adsorbed on the electron-poor sulfur atom of CuInSnS4 is favorable for stabilizing the intermediates and thus promotes the conversion of CO2 to CH4. Both the activity and selectivity of CH4 products over the pristine CuInSnS4 nanocrystal can be further improved by the modification of with various co-catalysts to enhance the separation of the photogenerated charge carrier. This work provides a non-metal active site to determine the conversion and selectivity of photocatalytic CO2 reduction. © 2023, Springer Nature Limited.

Community:

  • [ 1 ] [Chai Y.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 2 ] [Chai Y.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 3 ] [Kong Y.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 4 ] [Lin M.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 5 ] [Lin M.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 6 ] [Lin W.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 7 ] [Shen J.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 8 ] [Shen J.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 9 ] [Long J.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 10 ] [Long J.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 11 ] [Yuan R.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 12 ] [Yuan R.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 13 ] [Dai W.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 14 ] [Dai W.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 15 ] [Dai W.]Qingyuan Innovation Laboratory, Quanzhou, China
  • [ 16 ] [Wang X.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 17 ] [Wang X.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 18 ] [Zhang Z.]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 19 ] [Zhang Z.]College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 20 ] [Zhang Z.]Qingyuan Innovation Laboratory, Quanzhou, China

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Source :

Nature Communications

ISSN: 2041-1723

Year: 2023

Issue: 1

Volume: 14

1 4 . 7

JCR@2023

1 4 . 7 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 52

30 Days PV: 0

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