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- Title
A Semi-Conductive Copper-Organic Framework with Two Types of Photocatalytic Activity.
- Authors
Wu, Zhi-Lei; Wang, Chang-Hong; Zhao, Bin; Dong, Jie; Lu, Feng; Wang, Wei-Hua; Wang, Wei-Chao; Wu, Guang-Jun; Cui, Jian-Zhong; Cheng, Peng
- Abstract
Based on the newly designed ligand 4′-(3,5-dicarboxyphenyl)-4,2′:6′,4′′-terpyridine (DCTP), a unique semi-conductive 3D framework {[CuΙCuΙΙ2(DCTP)2]NO3⋅1.5 DMF} n ( 1) with a narrow band gap of 2.1 eV, was obtained and structurally characterized. DFT calculations with van de Waals correction employed to explore the electronic structure of 1, clearly revealed its semi-conductive behavior. Furthermore, we found that 1 exhibits a superior band alignment with water to produce hydrogen and degrade organic pollutants. Without adding any photosensitizers, 1 displays an efficiently photocatalytic hydrogen production in water based on the photo-generated electrons under UV/Vis light. 1 also exhibits excellent photo-degradation of methyl blue under visible-light owing to the strong oxidization of excited holes. It is the first example of MOFs with doubly photocatalytic activities related to photo-generated electrons and holes, respectively.
- Subjects
LIGANDS (Chemistry); ELECTRONIC structure; COPPER research; PHOTOCATALYSIS; ELECTRONS
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 16, p4938
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201508325