Issue 3, 2020

Polymorphs of a copper coordination compound: interlinking active sites enhance the electrocatalytic activity of the coordination polymer compared to the coordination complex

Abstract

Copper–pyridinedicarboxylic acid produces concomitant polymorphs, a copper complex (Cu–C) and a coordination polymer (Cu–P), which have a similar coordination environment but completely different electrocatalytic activity. Cu–P displayed highly enhanced activity for the hydrogen evolution reaction (HER, η@10 mA cm−2 = 285 mV, jmax = 161.7 mA cm−2) compared to Cu–C (η@10 mA cm−2 = 444 mV, jmax = 48.7 mA cm−2) in a neutral medium.

Graphical abstract: Polymorphs of a copper coordination compound: interlinking active sites enhance the electrocatalytic activity of the coordination polymer compared to the coordination complex

Supplementary files

Article information

Article type
Communication
Submitted
25 okt 2019
Accepted
14 dec 2019
First published
16 dec 2019

CrystEngComm, 2020,22, 425-429

Polymorphs of a copper coordination compound: interlinking active sites enhance the electrocatalytic activity of the coordination polymer compared to the coordination complex

P. Muthukumar, M. Pannipara, A. G. Al-Sehemi, D. Moon and S. P. Anthony, CrystEngComm, 2020, 22, 425 DOI: 10.1039/C9CE01698H

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