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Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

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Abstract

A new carbon allotrope, graphdiyne (GDY), with a highly π-conjugated structure of sp- and sp2-hybridized carbon networks, has recently emerged and been used as a superior carbon additive to boost the activity of water oxidation catalysts. In this work, a hybrid GDY/NiFe-LDH electrocatalyst was prepared by a facile hydrothermal treatment, which shows an outstanding catalytic activity with a low overpotential of 260 mV at 10 mA cm−2 catalytic current density and good durability towards oxygen evolution in 1.0 M KOH solution. Density functional theory (DFT) calculations prove that the sp- and sp2-hybridized GDY shows both superior electron capture and excellent electron transfer ability compared to that of the conventional sp2-hybridized carbon materials.

Graphical abstract: Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

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Publication details

The article was received on 06 Feb 2018, accepted on 14 Mar 2018 and first published on 15 Mar 2018


Article type: Communication
DOI: 10.1039/C8NH00027A
Citation: Nanoscale Horiz., 2018, Advance Article
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    Graphdiyne: a superior carbon additive to boost the activity of water oxidation catalysts

    P. Kuang, B. Zhu, Y. Li, H. Liu, J. Yu and K. Fan, Nanoscale Horiz., 2018, Advance Article , DOI: 10.1039/C8NH00027A

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