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Issue 10, 2016
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Metal–organic redox vehicles to encapsulate organic dyes for photocatalytic protons and carbon dioxide reduction

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Abstract

The application of metal–organic molecular hosts as “molecular flasks” has precipitated a surge of interest in the reactivity and properties of molecules within well-defined spaces. Here we report an approach to construct supramolecular systems for photo-catalytic hydrogen production and carbon dioxide reduction by encapsulating an organic dye molecule into the pocket of the redox-active metal–organic macrocycle. The assembled Ni3L3 tricycle consists of three ligands and three nickel ions that alternately connect together. The special geometry enforces the distortion of the square planar coordinated configuration, and the coordination of the sulphur atoms enables the modification of redox potentials suitable for proton reduction and carbon dioxide reduction. The supramolecular systems that have fluorescein molecules being encapsulated as the photosensitive guests feature efficient activity for the photocatalytic carbon dioxide conversion and production reduction. The new reaction pathways within the confined space demonstrate the power of the supramolecular system over related systems.

Introduction to the international collaboration

The international collaboration between the research group of Prof. Chunying Duan at Dalian University of Technology and the group of Prof. Joost N. H. Reek at Van't Hoff Institute for Molecular Science, University of Amsterdam, the Netherlands, started from 2015 based on common research interest. The cooperation of the two groups has focused on the field of supramolecular photocatalysis. And now the two groups are collaborating in the project of “111 innovative engineering base of fine chemicals” founded by Ministry of Education of P. R. China. This project mainly supports international outstanding scientists to come to China for collaborative research within five years.

Graphical abstract: Metal–organic redox vehicles to encapsulate organic dyes for photocatalytic protons and carbon dioxide reduction

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Publication details

The article was received on 28 Jun 2016, accepted on 04 Aug 2016 and first published on 17 Aug 2016


Article type: Research Article
DOI: 10.1039/C6QI00211K
Author version available: Download Author version (PDF)
Citation: Inorg. Chem. Front., 2016,3, 1256-1263
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    Metal–organic redox vehicles to encapsulate organic dyes for photocatalytic protons and carbon dioxide reduction

    H. Yu, C. He, J. Xu, C. Duan and J. N. H. Reek, Inorg. Chem. Front., 2016, 3, 1256
    DOI: 10.1039/C6QI00211K

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