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author:

Li, Ziping (Li, Ziping.) [1] | Zhi, Yongfeng (Zhi, Yongfeng.) [2] | Shao, Pengpeng (Shao, Pengpeng.) [3] | Xia, Hong (Xia, Hong.) [4] | Li, Guosheng (Li, Guosheng.) [5] | Feng, Xiao (Feng, Xiao.) [6] | Chen, Xiong (Chen, Xiong.) [7] | Shi, Zhan (Shi, Zhan.) [8] | Liu, Xiaoming (Liu, Xiaoming.) [9]

Indexed by:

EI

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:

Catalysis Crystallinity Dehalogenation Light Metals Photocatalysis Photocatalysts Rate constants

Community:

  • [ 1 ] [Li, Ziping]College of Chemistry, Jilin University, Changchun; 130012, China
  • [ 2 ] [Zhi, Yongfeng]College of Chemistry, Jilin University, Changchun; 130012, China
  • [ 3 ] [Shao, Pengpeng]School of Chemistry, Beijing Institute of Technology, Beijing; 100081, China
  • [ 4 ] [Xia, Hong]State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Technology, Jilin University, Changchun; 130012, China
  • [ 5 ] [Li, Guosheng]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350002, China
  • [ 6 ] [Feng, Xiao]School of Chemistry, Beijing Institute of Technology, Beijing; 100081, China
  • [ 7 ] [Chen, Xiong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350002, China
  • [ 8 ] [Shi, Zhan]State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun; 130012, China
  • [ 9 ] [Liu, Xiaoming]College of Chemistry, Jilin University, Changchun; 130012, China

Reprint 's Address:

  • [liu, xiaoming]college of chemistry, jilin university, changchun; 130012, china

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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: 222

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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