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author:

Li, Z. (Li, Z..) [1] | Zhi, Y. (Zhi, Y..) [2] | Shao, P. (Shao, P..) [3] | Xia, H. (Xia, H..) [4] | Li, G. (Li, G..) [5] | Feng, X. (Feng, X..) [6] | Chen, X. (Chen, X..) [7] | Shi, Z. (Shi, Z..) [8] | Liu, X. (Liu, X..) [9]

Indexed by:

Scopus

Abstract:

Visible-light active, heterogeneous, and organic photocatalysts exhibit a more sustainable and environmentally friendly alternative to classical metal-based catalysts. Two-dimensional covalent organic frameworks (2D-COFs) with permanent porosity, columnar π-arrays and excellent stability, that can become an excellent platform for heterogeneous photocatalysis of organic transformations. Here we report a predesigned imine-based COF with electron donor and acceptor structure. And new framework possesses large surface area, high crystallinity, outstanding stability and broad absorption range in the visible-light region as well as good photoelectric response characteristics. Importantly, it was found to be a highly effective heterogeneous photocatalyst for reductive dehalogenation of phenacyl bromide derivatives and α-alkylation of aldehydes under irradiation of visible-light. In addition, the COF gave good recyclability and could be reused after a simple separation manipulation. The current present still reveals a great prospect for 2D-COFs as metal-free, heterogeneous photocatalysts for organic transformations. © 2018 Elsevier B.V.

Keyword:

Covalent organic frameworks; Heterogeneous catalysis; Metal-free; Photocatalysis; Visible light

Community:

  • [ 1 ] [Li, Z.]College of Chemistry, Jilin University, Changchun, 130012, China
  • [ 2 ] [Zhi, Y.]College of Chemistry, Jilin University, Changchun, 130012, China
  • [ 3 ] [Shao, P.]School of Chemistry, Beijing Institute of Technology, Beijing, 100081, China
  • [ 4 ] [Xia, H.]State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Technology, Jilin University, Changchun, 130012, China
  • [ 5 ] [Li, G.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 6 ] [Feng, X.]School of Chemistry, Beijing Institute of Technology, Beijing, 100081, China
  • [ 7 ] [Chen, X.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 8 ] [Shi, Z.]College of Chemistry, Jilin University, Changchun, 130012, China
  • [ 9 ] [Shi, Z.]State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
  • [ 10 ] [Liu, X.]College of Chemistry, Jilin University, Changchun, 130012, China

Reprint 's Address:

  • [Liu, X.]College of Chemistry, Jilin UniversityChina

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Source :

Applied Catalysis B: Environmental

ISSN: 0926-3373

Year: 2019

Volume: 245

Page: 334-342

1 6 . 6 8 3

JCR@2019

2 0 . 3 0 0

JCR@2023

ESI HC Threshold:184

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 225

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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