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Issue 21, 2017
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Cu(iii)triarylcorroles with asymmetric push–pull meso-substitutions: tunable molecular electrochemically catalyzed hydrogen evolution

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Abstract

The synthesis of four low symmetry A2B type Cu(III)triarylcorroles with meso-aryl substituents that provide electron donating (push) and withdrawing (pull) properties is reported, along with their structural characterization by NMR spectroscopy and X-ray crystallography. An analysis of the structure–property relationships in the optical and redox properties has been carried out by comparing their optical spectroscopy, electrochemistry, and spectroelectrochemistry to trends predicted in DFT and TD-DFT calculations. The results demonstrate that A2B type Cu(III)triarylcorroles are highly efficient catalysts for electrocatalyzed hydrogen evolution reactions (HERs) and that their reactivity can be modulated by changing the nature of the B-position meso-substituent.

Graphical abstract: Cu(iii)triarylcorroles with asymmetric push–pull meso-substitutions: tunable molecular electrochemically catalyzed hydrogen evolution

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Supplementary files

Article information


Submitted
27 Feb 2017
Accepted
06 Apr 2017
First published
10 Apr 2017

Dalton Trans., 2017,46, 6912-6920
Article type
Paper

Cu(III)triarylcorroles with asymmetric push–pull meso-substitutions: tunable molecular electrochemically catalyzed hydrogen evolution

X. Liang, Y. Niu, Q. Zhang, J. Mack, X. Yi, Z. Hlatshwayo, T. Nyokong, M. Li and W. Zhu, Dalton Trans., 2017, 46, 6912
DOI: 10.1039/C7DT00716G

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