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author:

Xiao, Zhen (Xiao, Zhen.) [1] | Shen, Jinni (Shen, Jinni.) [2] (Scholars:沈锦妮) | Zhang, Jiangjie (Zhang, Jiangjie.) [3] | Li, Dongmiao (Li, Dongmiao.) [4] | Li, Yi (Li, Yi.) [5] (Scholars:李毅) | Wang, Xuxu (Wang, Xuxu.) [6] (Scholars:王绪绪) | Zhang, Zizhong (Zhang, Zizhong.) [7] (Scholars:张子重)

Indexed by:

EI Scopus SCIE

Abstract:

Artificial photocatalysis provides a promising approach for CH4 selective conversion into CH3OH under mild reaction conditions. However, the over-oxidization by the active oxygen radical species impedes for the high efficiency of photocatalytic conversion of CH4 to CH3OH. Here, we proposed a strategy of the transfer of key intermediates .CH3 from host photocatalyst surface for stability to improve CH4 conversion to CH3OH products. A Co3O4/ZnO composited photocatalyst was designed to efficiently convert CH4 to CH3OH with a rate of 366 lmol g-1h-1 under simulated sunlight irradiation, while the parent ZnO only completely overoxidized CH4 into CO2. We uncovered that Co(3)O(4 )played a new role as the active site for the adsorption of .CH3 key intermediates and the desorption of CH3OH to suppress CH4 overoxidation on ZnO surface. This work highlights cocatalyst for .CH3 intermediate stabilization to control the pathway of photocatalytic selective oxidation of CH4 into CH3OH . (C) 2022 Elsevier Inc. All rights reserved.

Keyword:

Methane Methanol Photocatalysis Selective oxidation

Community:

  • [ 1 ] [Xiao, Zhen]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 2 ] [Shen, Jinni]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 3 ] [Zhang, Jiangjie]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 4 ] [Li, Dongmiao]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 5 ] [Wang, Xuxu]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 6 ] [Zhang, Zizhong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China
  • [ 7 ] [Zhang, Zizhong]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
  • [ 8 ] [Li, Yi]Fuzhou Univ, Coll Chem, Fuzhou 350116, Peoples R China

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Source :

JOURNAL OF CATALYSIS

ISSN: 0021-9517

Year: 2022

Volume: 413

Page: 20-30

7 . 3

JCR@2022

6 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 21

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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