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author:

Chen, Xin (Chen, Xin.) [1] (Scholars:陈新) | Dang, Qiang (Dang, Qiang.) [2] | Sa, Rongjian (Sa, Rongjian.) [3] | Li, Liuyi (Li, Liuyi.) [4] (Scholars:李留义) | Li, Lingyun (Li, Lingyun.) [5] (Scholars:李凌云) | Bi, Jinhong (Bi, Jinhong.) [6] (Scholars:毕进红) | Zhang, Zizhong (Zhang, Zizhong.) [7] (Scholars:张子重) | Long, Jinlin (Long, Jinlin.) [8] (Scholars:龙金林) | Yu, Yan (Yu, Yan.) [9] (Scholars:于岩) | Zou, Zhigang (Zou, Zhigang.) [10]

Indexed by:

EI Scopus SCIE

Abstract:

Selective photoreduction of CO(2)into a given product is a great challenge but desirable. Inspired by natural photosynthesis occurring in hierarchical networks over non-precious molecular metal catalysts, we demonstrate an integration of single Ni sites into the hexagonal pores of polyimide covalent organic frameworks (PI-COFs) for selective photoreduction of CO(2)to CO. The single Ni sites in the hexagonal pores of the COFs serve as active sites for CO(2)activation and conversion, while the PI-COFs not only act as a photosensitizer to generate charge carriers but also exert a promoting effect on the selectivity. The optimized PI-COF with a triazine ring exhibits excellent activity and selectivity. A possible intra- and inter-molecular charge-transfer mechanism was proposed, in which the photogenerated electrons in PI-COFs are efficiently separated from the central ring to the diimide linkage, and then transferred to the single Ni active sites, as evidenced by theoretical calculations.

Keyword:

Community:

  • [ 1 ] [Chen, Xin]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 2 ] [Dang, Qiang]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 3 ] [Li, Liuyi]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 4 ] [Li, Lingyun]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 5 ] [Bi, Jinhong]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 6 ] [Yu, Yan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 7 ] [Zou, Zhigang]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China
  • [ 8 ] [Sa, Rongjian]Minjiang Univ, Ocean Coll, Inst Oceanog, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Bi, Jinhong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
  • [ 10 ] [Zhang, Zizhong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
  • [ 11 ] [Long, Jinlin]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
  • [ 12 ] [Zou, Zhigang]Nanjing Univ, Coll Engn & Appl Sci, Ecomat & Renewable Energy Res Ctr, Nanjing 210093, Peoples R China

Reprint 's Address:

  • 李留义 于岩 邹志刚

    [Li, Liuyi]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China;;[Yu, Yan]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China;;[Zou, Zhigang]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Fuzhou 350108, Peoples R China;;[Zou, Zhigang]Nanjing Univ, Coll Engn & Appl Sci, Ecomat & Renewable Energy Res Ctr, Nanjing 210093, Peoples R China

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Source :

CHEMICAL SCIENCE

ISSN: 2041-6520

Year: 2020

Issue: 26

Volume: 11

Page: 6915-6922

9 . 8 2 5

JCR@2020

7 . 6 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:160

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 95

SCOPUS Cited Count: 62

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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