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

Pandi Muthukumar; Mehboobali Pannipara; Abdullah G. Al-Sehemi; Dohyun Moon; Savarimuthu Philip Anthony

doi:10.1039/C9CE01698H

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

Journal article

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

Pandi Muthukumar, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Dohyun Moon and Savarimuthu Philip Anthony

CrystEngComm, Vol.22(3), pp.425-429

21/01/2020

DOI: https://doi.org/10.1039/C9CE01698H

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, j max = 161.7 mA cm −2 ) compared to Cu–C ( η @10 mA cm −2 = 444 mV, j max = 48.7 mA cm −2 ) in a neutral medium.

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Title: Polymorphs of a copper coordination compound: interlinking active sites enhance the electrocatalytic activity of the coordination polymer compared to the coordination complex
Creators - without role: Pandi Muthukumar - SASTRA University
Mehboobali Pannipara - King Khalid University
Abdullah G. Al-Sehemi - King Khalid University
Dohyun Moon - Pohang TechnoPark
Savarimuthu Philip Anthony - SASTRA University
Publication Details: CrystEngComm, Vol.22(3), pp.425-429
Identifiers: 9923199008331
Academic Unit: King Khalid University
Language: English
Resource Type: Journal article